02-07-2006 - BKK Landfill Site Monthly Status Report-":,
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City of West Covina
Memorandum
TO: Andrew G. Pasmant, City Manager
and City Council
FROM: Steven L. Samaniego, Director
Environmental Management Department
Colin Lennard
Special Environmental Counsel
AGENDA
ITEM NO. B-1
DATE: Februaa 7 2006
PAPERPKIN IEV ON RECYCLED
SUBJECT: BKK LANDFILL SITE MONTHLY STATUS REPORT
RECOMMENDATION:
It is recommended that the City Council receive and file this report.
DISCUSSION:
[Note: The updated changes from the November 15, 2005 report are in BOLD text]
Ise
W
C.
Interim Agreement with State
The Department of Toxic Substances Control (DTSC) continues to enter into "Interim
Consent Agreements" (Agreement) with a substantial number of Potentially Responsible
Parties (PRPs) at the BKK site. Under these Agreements the PRPs have been paying
DTSC $500,000.00 every month to cover interim costs of monitoring the landfill.
Long Term Plan and Agreement with State
A Consent Decree has been entered into between DTSC and the large PRP group of
about 27 companies. The Consent Decree is for two years, at which time, the PRP
groups signing the Consent Decree will take over the running of the entire site and
develop a longer -term or permanent solution. Attached is a copy of the Consent
Decree Fact Sheet also available in Spanish, Mandarin and Tagalog (Attachment A).
DTSC staff will continue to oversee the landfill oversight operations and the Consent
Decree information will be posted on DTSC's website which can be linked from the
City's website.
Proposition 65 Notices
Attached is a copy of the December 21, 2005 and January 10, 2006 (address
correction), Proposition 65 Vinyl Chloride Gas Emission Public Notice (Attachment B)
sent out to residents within the affected area south of the Class I Landfill. Four previous
notices have been sent on December 21, 2004, March 21, June 21, 2005 and September
21, 2005. Proposition 65 public notices are triggered when vinyl chloride gas emissions
are greater than 0.05 ppbv (parts per billion by volume). Much of the data is showing
levels at the non detect range but because of the one year rolling average Proposition 65
notices will continue every three months until the level drops below 0.05 ppbv. Attached
are copies of DTSC's November 2005 Fact Sheet (Attachment C) which includes a map
of air monitoring locations) in English, Tagalog, Spanish and Mandarin addressing the
Proposition 65 notices.
Also attached is a copy of the City's letter dated September 20, 2005 (Attachment D)
requesting DTSC for a detailed response to our questions and (Attachment E) is a copy of
DTSC's detailed response dated September 29, 2005.
Andrew G. Pasmant, City Manager February 7, 2006
and City Council
At the request of the City Manager, a conference call was arranged with DTSC to
provide the City with an understanding of why the Proposition 65 notices continue
and the number of homes impacted keeps increasing. Attached is DTSC's brief
summary report (Attachment F) of the conference call. Per DTSC, overall past
history of emission repair work has been temporary, not permanent. Long-term
repairs are needed and costly. BKK's gas recovery system design is not the best
hence needing continued maintenance and repairs.
The Department of Toxic Substances Control (DTSC) is taking this warning seriously
and has implemented some mitigation measures such as daily inspections, vegetation
clearing for better monitoring, increasing gas control line maintenance and repair
measures, etc.
DTSC continues to assure the City that this warning IS NOT an immediate health threat
to residents.
D. Bankruptcy Status
Staff continues to monitor the court filings 'as to whether BKK has actually filed
bankruptcy. At the time of this report there was no bankruptcy filing.
E. Interim Class III Landfill Closure and California Integrated Waste Management Board
(CIWMB) Coordination
The City and Community Development Commission (CDC) are continuing to work with
the California Integrated Waste Management Board (CIWMB) to implement the final
closure of the Class III Landfill so as to move along as efficiently as possible the 100-
acre development project the City purchased from BKK.
Because of BKK's poor financial status and inability to complete Final Closure
construction with the remaining funds in accordance to the approved Final Closure Plan,
the CIWMB, Regional Water Quality Control Board and the City of West Covina Waste
Management Enforcement Agency have approved a revised Interim Final Closure Plan
that will achieve a minimum closure in compliance with the State minimum standards.
Interim cost reductions were obtained by reducing the 7.5-foot vegetative cover soils to 5
feet including reduced vegetation and irrigation. Per Resolution #2005-151, the CIWMB
allocated $1.2 million to help fund the completion of the Final Closure.
The approved revised Final Closure Plan has been sent to the City of West Covina and
City of Walnut Public Library to be available for public review.
There continues to be inadequate funds to complete the interim Final Closure with 5 feet
of vegetative cover soil. Water Quality will consider the reduction from 5 feet to 2.5 feet
of vegetative cover soil upon BKK's demonstration to the Board as to why the reduction
is necessary and that it will comply with the regulations in preventing water infiltration.
The State's minimum standard of vegetative cover is .1 foot.
The CIWMB's main goal and objective is to complete final closure of the Landfill with
the remaining available final closure funds. It is the WMEA's understanding that the
CIWMB's intent is to close the Landfill with 5 feet of vegetative cover knowing that
because of the lack of adequate funds, there may be some areas of the landfill's top deck
with as little as .2.5 feet. The further reduction down to 2.5 feet vegetative layer has
significant fiscal impacts. on the cost of the entire 100-acre development project including
the Golf Course.
In addition, the City's Waste Management Enforcement Agency (WMEA) has raised
many environmental questions that need resolution prior to approving the vegetative soil
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Andrew G. Pasmant, City Manager February 7, 2006
and City Council
layer reduction to 2.5 feet such as gas emissions, protection of clay cap, water intrusion,
thickness of clay cap, moisture content_ retention, Water Quality's justification for the
reduction if approved, etc. Attached is a copy of the WMEA letter to Mr. Scott Walker
of the CIWMB (Attachment G).
Yeager Shanska is the contractor implementing the construction of the final cover. Final
cover construction activity has begun and is expected to continue through January and
February with weather permitting. Heavy construction equipment will be seen from
Azusa Avenue moving.soil throughout the site.
F. City's Proposed Commercial Development
As reported to you on July 5, 2005, the Community Development Commission (CDC)
has had to undertake the BKK obligation required by EPA to conduct an investigation
and characterization of an area in the southerly 30 acres of parcel one to
determine whether there exists contaminated soil.
The results of the soils investigation indicate that approximately 3,000 cubic yards of
contaminated soil existed within the commercial site (southern 31-acres of Parcel 1). The
CDC hired Camp Dresser & McKee ("CDM") to prepare a remediation work plan for the
contaminated soil to be analyzed for appropriate disposal at the BKK Class III
Landfill or an off -site Hazardous Waste Landfill. The contaminated soil has been
removed and disposed of at the BKK Landfill and we are now waiting for USEPA to
confirm and certify that the proposed commercial site is free from contamination prior to
transferring the site to the commercial developer.
The only outstanding issue pending is for CDM to discharge the excess groundwater
removed during the soil excavation project into BKK's million -gallon reservoir for
irrigation and obtain USEPA's certification that the site is free from contamination.
To date, BKK has commenced landfill closure grading on Parcel 1 (100-acre site)
including substantial completion of the rough grading for the southern portion of the
proposed commercial pad area. BKK plans to continue rough grading the area located
north of the existing BKK access road, which is where the remainder of the commercial
development pads are located.
G. Landfill Underground Storm Drain Repair
DTSC continues to repair the failed underground storm drain system on both the Class I
and Class III landfills. The Class III project is expected to be completed by February
2006, with the remainder to be completed next summer.
H. USEPA Groundwater Contamination Corrective Action
In February 2000, USEPA has selected a remedy decision to contain and control the
BKK Landfillfacility-wide contaminated groundwater. USEPA also approved the
Corrective Measure Implementation Plan (CMIP) in June 2004.
Because of BKK's financial status, BKK is unable to pursue implementation of the
remedy, therefore, this project continues to be on hold until resolution is reached with
respect to funding. The routine monitoring of groundwater wens will continue.
CONCLUSION
I will bring the City Council up-to-date with any new matters that arise between the date of this
report and the City Council meeting.
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Andrew G. Pasmant, City Manager
and City Council
Approved via telephone
Colin Lennard
Special Environmental Counsel
Fulbright & Jaworski, LLP
CL:SLS:sl
February 7, 2006
Steven L. Samamego
Environmental Management Director
Attachments:
A — Consent Decree (English, Spanish, Mandarin and Tagalog)
B — December 21, 2005 and January 10, 2006 Proposition 65 Warning
C — Department of Toxic Substances Control November, 2005 Fact Sheets (English,
Tagalog, Spanish and Mandarin)
D — City of West Covina Letter Dated September 20, 2005
E — DTSC Letter Dated September 29, 2005
F — DTSC Conference Call Summary Report
G — WMEA Letter Dated August 23, 2005
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0 ATTACHMENT A
DEPARTMENT OF TOXIC SUBSTANCES CONTROL
NOTICE OF CONSENT DECREE
BKK LANDFILLS FACILITY
WEST COVINA, CALIFORNIA
EXTENSION OF PUBLIC COMMENT PERIOD TO JANUARY 13, 2006
The Department of Toxic Substances Control ("DTSC"), pursuant to the authority vested
in DTSC under Section 107 of CERCLA, 42 U.S.C. § 9607 and California Health and
Safety Code section 25358.3(e), proposes to finalize a Consent Decree regarding the
BKK Landfills Facility located at 2210 South Azusa Avenue, West Covina, California.
On October 31, 2005, DTSC filed a complaint in United States District Court, Central
District of California, Docket No. CV05-7746 CAS against a number of defendants
under the provisions of the Comprehensive Environmental Response, Compensation,
and Liability Act, 42 U.S.C. §§ 9601 et seq. and the California Health and Safety Code
section 25358.3 (e). The Consent Decree is intended to resolve the liability of the
defendants for: certain DTSC past and future response costs; and for oversight costs
that DTSC will incur during the time that the defendants' conduct site activities. The
Consent Decree obligates the defendants to conduct certain work at the BKK Landfills
Facility for slightly less than two (2) years. The Consent Decree provides covenants not
to sue and contribution protection for these costs and work, and provides for standstills
and tolling of enforcement activity and litigation among the parties.
DTSC has extended the public comment period on the Consent Decree by an
additional seven (7) days from January 6, 2006 to January 13, 2006. The public
comment period began November 12, 2005, and now ends on January 13, 2006.
Written comments on the proposed Consent Decree must be submitted on or
before 5:00 p.m. January 13, 2006. This is the fourth extension of the public
comment period. On December 13, 2005, DTSC extended the end of the public
comment period from December 13, 2005 to December 20, 2005. On
December 20, 2005, DTSC extended the end of the comment period from
December 20, 2005 to December 30, 2005. On December 30, 2005, DTSC extended
the end of the comment period from December 30, 2005 to January 6, 2006. DTSC
may modify or withdraw its consent to the Consent Decree if such comments disclose
facts or considerations that indicate the proposed Consent Decree is inappropriate,
improper or inadequate.
Comments should be addressed to:
Marilee Hanson (mhanson @dtsc.ca.gov)
Department of Toxic Substances Control
Office of Legal Counsel
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P.O. Box 806
Sacramento, California 95812-0806
With copy to:
Jim Dragna (jim.dragna@bingham.com)
Bingham McCutchen
355 South Grand Avenue
Los Angeles, California 90071-3106
Any comments sent electronically should also be sent by mail. Comments should refer
to the BKK Landfills Facility Consent Decree.
During the public comment period, the Consent Decree may be examined on the DTSC
Internet Web site at:
www.dtsc.ca.gov under "Hot Topics."
Scroll down to "Local Projects"
Click on `BKK Corporation Landfill"
Scroll down to "Project Related Documents"
Click on "Consent Decree-2005" and "Consent Decree Exhibits-2005"
The Consent Decree may also be examined at the following location:
DTSC headquarters office at 1001 1 Street, Sacramento, California 95812-0806.
Please contact'Ms. Nancy Aquino at (916) 323-4911 (phone) or (916) 323-5542
(fax) or nag uino(cDdtsc.ca.gov for an appointment.
The Consent Decree may also be examined at the DTSC regional office:
Department of Toxic Substances Control,
1011 North Glenview Avenue
Glendale, California 91201-2205
Please contact Ms. Jone Barrio, Regional Records Coordinator at
(818) 551-2886 (phone) or (818) 551-2976 (fax) for an appointment.
A copy of the Consent Decree may also be obtained by mail from the DTSC Office of
Legal Counsel at P.O. Box 806, Sacramento, California 95812-0806, or by faxing or e-
mailing a request to Nancy Aquino (naquino@dtsc.ca.gov), fax no. (916) 323-5542,
phone confirmation number (916) 323-4911. If requesting a copy from DTSC, the cost
for reproductions is $0.15 (15 cents) per page. Please make your check or money
order payable to the Department of Toxic Substances Control and mail it to Ms. Aquino
in DTSC headquarters at the address shown above
FACT SHEET, November 2005
BKK Landfills Facility
Consent Decree
The BKK Corporation (BKK), owner and operator of the BKK Landfills Facility
(Facility), notified the Department of Toxic Substances Control (DTSC) in
October 2004 that BKK did not have sufficient funds to continue operating and
maintaining the closed Class I Landfill (hazardous waste) and leachate treatment
plant beyond mid -November 2004. DTSC began an emergency response action
in November 2004 to ensure the continued essential day-to-day maintenance
activities of the Facility. The Facility is located at 2210 South Azusa Avenue in
the City of West Coving.
DTSC issued an order in December 2004 to 51 companies and pubic agencies,
called "responsible parties." Most of these parties disposed of hazardous waste
at the Class I Landfill. Over the past year, DTSC has met with the largest group
of responsible parties, composed of 27 companies and one public agency, to
negotiate financial support, day-to-day operations, and maintenance and
monitoring activities at the Facility. Recently, DTSC and this group of
responsible parties reached an agreement called a consent decree. A consent
decree is a judicial order that is negotiated and agreed to by the parties and
submitted to the court for approval. After it is approved and finalized, it has the
force of a court order. The California Attorney General's Office on behalf of
DTSC, filed the BKK Consent Decree (Decree) with the Federal District Court,
Central District of California, on October 31, 2005.
BKK Consent Decree Summary
Ocu
The BKK Consent Decree is an interim agreement for almost two years that
f allows the parties to develop a longer -tern solution for conditions at the Facility.
gyp, The Decree requires the 27 responsible parties to perform essential maintenance
work at the Facility shortly after the Decree becomes effective or an earlier date
if the responsible parties want to begin work sooner. The Decree also requires
'x' 4
them to fund a portion of DTSC's activities at the site and it includes a number
of other legal terms and conditions. The Decree can be viewed at
www.dtsc.ca_gov. (Click on "BKK Corporation Landfill" listed under "Hot
<: Topics," then click on "Consent Decree 2005" and "Consent Decree Exhibits
2005." The Decree can also be viewed at the information repositories listed on
the back of this fact sheet.
DTSC will take public comments on the Decree through December 13, 2005.
After the comment period ends, DTSC and the Attorney General's Office will
review and develop responses to all comments received during the public
comment period and submit them to the District Court. If the comments disclose
facts ` or considerations that indicate the
Decree is inappropriate, improper, or inadequate,
DTSC may withhold its consent or modify the
Consent Decree. The Court will make the final
approval decision. If approved, the Decree will
become a legally binding order of the Court.
DTSC Involvement will Continue
DTSC will continue to oversee maintenance of the
Facility until the responsible parties begin work.
Before the responsible parties start work, they will
submit work plans to DTSC and work side -by -side
with DTSC's staff and contractor to learn the details
about running various systems at the Facility. The
responsible party's project manager is already
collaborating with DTSC and the responsible parties
have chosen a contractor with significant landfill
experience to manage the site on a daily basis. After
the responsible parties assume the essential
management functions, DTSC will oversee their
work. Additionally, DTSC's contractors may
conduct other work at DTSC's direction.
Additional Information
If you would like to submit comments on the
Decree, they must be in writing in order to be
considered. All comments must be submitted on or
before 5:00 P.M. on December 13, 2005. Any
comments sent electronically should also be sent by
mail., Comments must refer to the BKK Landfills
Facility Consent Decree and should be mailed to the
following individuals:
Marilee Hanson
Department of Toxic Substances Control
Office of Legal Counsel
P. O. Box 806
Sacramento, CA 95812-0806
E-mail: mhanson(a)dtsc.ca.eov
With a copy to:
Jim Dragna
Bingham McCutchen
355 South Grand Avenue
Los Angeles, CA 90071-3106
E-mail: jim.dra_gna ,binaham.com
,.r
• ATTACHMENT B
IE-3]PaKC
CORPORATION
PROPOSITION 65 WARNING
December 21, 2005
2210 South Azusa Avenue
West Covina, California 91792
RECENcQ 965-0911
Community Serve
DEC 2 7 2005
Dear Resident:
CITY OF WEST COVIN
Proposition 65 refers to a California ballot measure which was passed into law as the Safe Drinking
Water and Toxic Enforcement Act of 1986 (California Health and Safety Code §25249.5 et seq).
BKK Corporation is providing this notice in compliance with the law:
BKK Corporation's landfill at 2210 South Azusa Avenue in West Covina, California
emits vinyl chloride, which is a chemical known to the State of California to cause
cancer. This notice is provided to you because you live within the approximate area
in which estimates of the air emissions predict that persons are exposed to vinyl
chloride in the air at a level requiring a warning under Proposition 65.
On the other side of this notice is a drawing which shows the homes that are located within the
affected area. Based on a rolling average of the most recent year of air sampling data to determine
the level in question and a conservative estimate of how the line fits among those data points, the
homes located inside the line were assumed to be exposed to vinyl chloride in ambient air at a level
which requires a warning. For vinyl chloride, that level is 0.05 parts per billion by volume.
Efforts are being made to reduce vinyl chloride emissions to a level at which modeling of the
emissions would indicate No Significant Risk. Progress will continue to be measured by collecting
ambient air samples regularly at locations in the neighborhood. BKK Corporation will modify and
re -issue this warning in approximately three months, if necessary. If you have any questions about
this notice, please call me at (626) 965-0911 x361.
Sincerely,
BKK CORPORATION
LO v�
By: BAS Construction and R mediation, agent for BKK Corporation
By: Christopher W. Hansen, P.E., Vice President
BAS Construction and Remediation, LP
Notices are being sent to the following addresses in West Covina, CA 91792:
0 1921,- 1927, 1934, 1940, 2002, 2008, 2014, 2020, 2023, 2026, 2029, 2032, 2035,
2038, 2041, 2044, 2401, 2405, 2409, 2413 and 2419 Leanna Drive;
❑ 2113, 2117, 2121, 2125, 2129 and 2133 Loraine Street;
11 2307, 2313, 2319, 2322, 2325, 2328, 2331, 2334, 2337, 2338, 2342, 2343, 2346,
2349 and 2352 Lynn Court;
❑ 2401 and 2403 Marcella Avenue;
❑ 2505, 2506, 2509, 2510, 2513, 2514, 2517, 2518, 2522, 2525, 2526, 2530, 2534,
2538, 2542, 2546, 2550, 2555, 2601, 2603, 2605, 2607, 2609, 2610, 2611, 2612,
2613, 2614, 2615, 2616, 2617, 2618, 2619, 2620, 2621, 2623, 2625 and 2627 Marlena
Street;
❑ 2600, 2602, 2605 and 2609 Mary Court;
❑ 2600, 2601, 2602, 2604, 2605, 2606, 2608 and 2609 Myra Court; and
❑ 2420, 2424, 2428, 2432, 2436 and 2440 Nogales Street.
BKK Landfill Site
/ Proposition 65 Warning
/ December 21, 2005
N BKK Landfill
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a • •
Proposition 65 Warning
December 21, 2005
Page Three of Three
cc: Andy Burow - DTSC, Sacramento CA
Kris Kazarian - BKK Corporation, West Covina CA
Kelly McGregor - BAS Construction. and Remediation, West Covina CA
Steve Samaniego - City of West Covina, West Covina CA
Goose Tucker - ERRG, Concord CA
Peter Weiner - PaulHastings, San Francisco CA
BKK File
BAS File
•
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]-5JKaKC
CORPORATION
Dear Resident:
PROPOSITION 65 WARNING
January 10, 2006
2210 South Azusa Avenue
RECEIW6@ovinaa, 1California 91792
Community Se ,6 Faxs96strs='ssss
.IAN 1 6 2006
CITY OF WEST COVINA
Proposition 65 refers to a California ballot measure which was passed into law as the Safe Drinking
Water and Toxic Enforcement Act of 1986 (California Health and Safety Code §25249.5 et seq).
BKK Corporation is providing this notice in compliance with the law:
BKK Corporation's landfill at 2210 South Azusa Avenue in West Covina, California
emits vinyl chloride, which is a chemical known to the State of California to cause
cancer. This notice is provided to you because you live within the approximate area
in which estimates of the air emissions predict that persons are exposed to vinyl
chloride in the air at a level requiring a warning under Proposition 65.
On the other side of this notice is a drawing which shows the homes that are located within the
affected area. Based on a rolling average of the most recent year of air sampling data to determine
the level in question and a conservative estimate of how the line fits among those data points, the
homes located inside the line were assumed to be exposed to vinyl chloride in ambient air at a level
which requires a warning. For vinyl chloride, that level is 0.05 parts per billion by volume.
Efforts are being made to reduce vinyl chloride emissions to a level at which modeling of the
emissions would indicate No Significant Risk. Progress will continue to be measured by collecting
ambient air samples regularly at locations in the neighborhood. BKK Corporation will modify and
re -issue this warning in approximately three months, if necessary. If you have any questions about
this notice, please call me at (626) 965-0911 x361.
Sincerely,
BKK CORPORATION
By: BAS Construction and Re edfatlon, agent for BKK Corporation
By: Christopher W. Hansen, P.E., Vice President
BAS Construction and Remediation, LP .
Notices are being sent to the fellowtrtg sixteen underlined addresses in West Covina, CA 91792:
0 1921 193-,,1934, 19 4,22e, 2828, 2826,-2029, 2932, 2()357
, 2401, 2405, 2409, 2413 and 2419 Leanna Drive;
❑ 2113, 2117, 2121, 2125, 2129 and 2133 Loraine Street;
0 2307, 2313, 2319, 2322, 2325, 2328, 2331, 2334, 2337, 2338, 2342, 2343, 2346,
2349 and 2352 Lynn Court;
0 2401 and 2403 Marcella Avenue;
0 2505, 2506, 2509, 2510, 2513, 2514, 2517, 2518, 2522, 2525, 2526, 2530, 2534,
2538, 2542, 2546, 2550, 2555, 2601, 2603, 2605, 2607, 2609, 2610, 2611, 2612,
2613, 2614, 2615, 2616, 2617, 2618, 2619, 2620, 2621, 2623, 2625 and 2627 Marlena
Street;
0 2600, 2602, 2605 and 2609 Mary Court;
0 2600, 2601, 2602, 2604, 2605, 2606, 2608 and 2609 Myra Court; and
❑ 1921 1927 1934 1940 2002 2008 2014 2020 2023 2026 2029 2032 2035
2038, 2041 and 2044 Nanette Avenue
0 2420, 2424, 2428, 2432, 2436 and 2440 Nogales Street.
BKK Landfill Site
/Proposition 65 Warning
December 21, 2005
U I< K Landfill ;fl�"1«r r' cT P 47SY
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•
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Proposition 65 Warning
January 10, 2006
Page Three of Three
cc: Andy Burow - DTSC, Sacramento CA
Kris Kazarian - BKK Corporation, West Covina CA .
Kelly McGregor - BAS Construction and Remediation, West Covina CA
Steve Samaniego - City of West Covina, West Covina CA
Goose Tucker - ERRG, Concord CA
Peter Weiner - PaulHastings, San Francisco CA
BKK File +
BAS File
• • ATTACHMENT C
F A C T S H E E T, September 2DDS
RECEIVED
,ommunity Services Dept.
OCT 1 7 200
CITY OF WEST COVINA
Update on Vinyl Chloride and
Proposition .65 Warning Notices
On October 18, 2004, BKK Corporation (BKK), the owner and operator of the
BKK Landfills, notified the Department of Toxic Substances Control (DTSC) and
the united States Environmental Protection Agency that BKK did not have
sufficient funds to continue operating and maintaining the closed Class I (hazardous)
landfill and leachate treatment plant beyond November 17, 2004.On
November 18, 2004, DTSC initiated an emergency response action to assure that
essential systems at the facility would continue to operate. The BKK facility is
located at 2210 South Azusa Avenue in the City of West Covina.
On December 21, 2004, March 21, 2005, June 21, 2005, and September 21, 2005,
BKK issued Proposition 65 warnings to certain residences in West Covina near the
south end of the landfill. The letters informed -the residents that the 24-hour
average concentration of vinyl chloride in the vicinity of their homes during the
preceding year exceeded 0.05 parts per billion (ppb). BKK sends Proposition 65
notices to residences based on a calculation of average vinyl chloride
concentrations. The calculated average determines the number of houses that
receive notices.
Under Proposition 65, a business is required to give a clear and reasonable warning
to anyone who may be exposed to a listed chemical above a specified level. The
Proposition 65 level of 0.05 ppb for vinyl chloride is essentially an early warning
system designed to let people know that a problem may exist that needs attention.
This level indicates that a person who is exposed to 0.05 ppb vinyl chloride in the air
over a lifetime of 70 years may have a one in one -hundred -thousand (1 /100,000)
chance of developing cancer.
The number of residences in West Covina receiving proposition 65 notices
increased from 18 in June 2005 to 44 in September 2005. This increase is due to
unusual elevated readings for vinyl chloride that occurred on June 7, August 2 and
23, and September 7, 2005. The higher readings on four days increased the 24-
hour average concentration, thereby increasing the number of notices sent by BKK.
BKK's estimates of vinyl chloride concentrations at affected residential properties
s' r'r ::;e3 cn samgl;ng rt;s-uIts ohiauie<i from twelve air monitoring stations irientified
on the attached map. At the "Nogales End Station" (Station 3) vinyl chloride levels
during the past 12 months have ranged from not detected to a high of 0.645 ppb on
June 7, 2005. At the "Amax at Nogales Station" (Station 11), vinyl chloride levels
ranged from not detected, to a high of 0.2090 ppb on June 7, 2005.
In most cases, the highest readings for vinyl chloride
at Nogales End correspond to unusual events at
the site. The high readings obtained on June 7, 2005
were due to a power failure that temporarily shut
down the upper flare station and a booster blower at
the Nogales End. The high result recorded on
August 2 may have been related to excavation
proceeding at that time just above the Nogales End
Station. The elevated reading on September 7 was
due to a temporary loss ofpower that occurred when
a contractor performing work on the Class III portion
of the landfill accidentally broke a 12-inch gas
collection header line. The average concentration of
vinyl chloride over the past 12 months is well below
the 0.05 ppb warning level at all. stations except the
Nogales End Station where the average time -
weighted concentration over the past 12 months has
been 0.1262 ppb. These levels do not pose an
immediate health threat to the residents in the area
DTSC's contractor is continuing work to reduce the
emissions. Examples are:
• Gas collection wells have been rehabilitated;
• Gas extraction from the Class I landfill has
been increased;
• Vegetation on the Class I landfill cap has been
cleared to help the landfill cap irrigation
system minimize drying and cracking of the
Class I landfill cap;
• Portions of the landfill cap from which gas
may be escaping are being identified and
repaired;
• Repairs on the South Haul Road storm drain
system have started and should be completed
by the end of October,
• A new gas extraction line was installed on the
South Haul Road on September 9 and is now
operational;
• A new large capacity blower to increase
vacuum on perimeter gas collection wells will
be installed in the near future to help reduce
gas emissions; and
• Repairs to the upper and lower flare stations
will begin in October.
Additional Information
Additional information about vinyl chloride, including a
summary of all analytical results for the past year,
and DTSC's activities at the BKK facility can be
found at DTSC's website at http:dtsc.caPow;
HazardousWaste: BKK'index.html.
DTSC will keep you updated on the status of this
project In the meantime, if you have any questions
regarding the information in this fact sheet or any
questions regarding DTSC's activities at the BKK
Facility, please contact one ofthe following DTSC
personnel:
Andy Burow
DTSC Essential Operations Manager
8800 Cal Center Drive
Sacramento, CA 95826
(916) 255-6568
aburow@dtsc.ca.gov
RichardAllen
DTSC Permitting and Corrective Action
1011 North Grandview Avenue
Glendale, CA 91201
(818) 551-2924
rallen2@dtsc.ca.gov
Kim Rhodes
DTSC Public Participation Specialist
8800 Cal Center Drive
Sacramento, CA 95826
(916) 255-3651
Krhodes 1 @dtsc.ca.gov
For media questions, please contact:
Jeanne Garcia
DTSC Public Information Officer
1011 North GrandviewAvenue
Glendale, CA 91201
(818) 551-2176
jgarcial @dtsc.ca.gov
You may also call our toll free number for BKK at
(866) 284-0721 and leave us a voicemail message.
•
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UTAT NG IMPORMASIYON, Setyembre 2005
Mga Pagsasapanahon, tungkol sa
Vinyl Chloride at sa mga Paunawang
Babala ayon sa. Proposisyon 65
Noong Oktubre 18, 2004, ang Korporasyon ng BKK (BKK), ang nagmamay-ari at
nagpapatakbo sa mga Lupang Tapunan ng Basura ng BKK ay nagbigay-alam sa
Departamento ng Pamamahala ng Mga Bagay na May-lason (Department ofToxic
Substances Control (Disc]) atAhensiya ng pangangalaga ng Kapaligiran ng
Estados Unidos (United States Environmental ProtectionAgency) na kukulangin
ang pera ng BKK upang patakbuhin at panatilihin ang nakasarang Mpong I
(mapanganib) na lupang tapunan at planta pars sa paglinis ng leachate kapag
lumampas na sa Nobyembre 17, 2004. Noong Nobyembre 18, 2004, sinimulan ng
DTSC anggawaing pang-sagot sa emerhensiya. upang siguruhin na mananatiling
tumatakbo angmga sistema na nasapasilidad. Ang pasilidad ng
BKK ay nasa 2210 South Azusa Avenue sa Siyudad ng West Covina.
Noong Disyembre 21, 2004, Marso 21, 2005, Junyo 21, 2005, and Setyembre 21,
2005, inilabas ng BKK ang mga babala ayon sa Proposisyon 65 sa ilang residente
na nasa West Covina na malapit sa dulong timog ng lupang tapunan ng basura. Ang
mga liham ay nagbigay-alam sa mga residente na ang katanitamang presensiya ng
vinyl chloride sa loob ng 24-oras na panahon na malapit sa kanilang mga lugar
noong nakaraang taon ay humigit sa 0.05 na bahagi sa ilang bilyon o parts per billion
(parts per billion [ppb]). Nakabatay sa kalkulasyon ng presen*a ng vinyl chloride
ang pagpapadala ng BKK sa mga residence ng mga paunawa ayon sa Proposisyon
65. Ang naL4kulang katamtamang bilang ay nagdiditermina sa bilang ng mga
residents na tatanggap ng mga paunawa.
Sa ilalim ng Proposisyon 65, ang mga negosiyo ay dapat magbigay ng malinaw at
resonableng babala. sa smuman na maaanng malantad sa nakahstang kemiko na
mahigit sa ispisipikong antas. Ayon sa Proposisyon 65, ang antas ng 0.05 ppb ng
vinyl chloride ay ilang sistema ng maagang pababala na ginawa upang maiaman ng
mga tao na posibleng may problems na kinakailangan ng pansin. Ipinahihiwatig ng
antas na ito na ang taong malalantad sa 0.05 ppb ng vinyl chloride na nasa hangin na
mahigit sa katagalan na. 70 taon ay maaaring magkaroon ng isa sa isang-daang-
hbong (1/100,000) posibilidad upang magkaroon ng kansel
Ang bilang ng mga residents sa West Covina na tumatanggap ng mga paunawa ng
Proposisyon 65 ay dumaami multi 18 noong Hunyo 2005 hauggang 44 noong
Setyembre 2005. Ang pagtaas na ito ay dahil sa di-pangkaraniwang mataas na
pagbasa ng antas ng vinyl chloride na nangyari noong Hunyo 7, Agosto 2 at 23, at
Setyembre 7, 2005. Ang mataas na pagbasa sa loob ng apat na araw ay nagpataas
sa 24 oral na katamtamang konsentrasyon, kung kaya't tataas din ang bilang ng
mga paunawang ipinadala ng BKK.
Ang pag-eestima ng BKK ng presens ya ng vinyl
chloride sa mga na-apektuhang tirahan ay nakabatay
sa mga resulta na kinuha sa labing-dalawang istasiyon
na nagsusubaybay sa hangin na ipinapakita sa
nakalakip na mapa_ Sa "Istasiyon ng Nogales End"
(Istasiyon 3) ang mga antas ng vinyl chloride sa
nakaraang 12 buwan ay nakita mula sa hindi
madeteloa hanggang sa kataasan ng 0.645 ppb noong
Hunyo 7, 2005. Sa "Amar sa Istasiyon ng Nogales"
astasiyon 11), ang mga antas ng vinyl chloride ay
mula sa hindi madetekta, hanggang=sa kataasan ng
02090 ppb noong Hunyo 7, 2005.
Sa karamihan ng mga kaso, ang raga pinakamataas na
antas ng vinyl chloride sa Nogales End ay tumutugma .
sa mga pangkaraniwang nangyayari sa lugar. Ang
mataas na antas na nakita hang Hunyo 7, 2005 ay
dahil sa pagkawala ng kuriyente na nagsara hang
pansamantala sa mataas na istasiyon ng
pagpapasrldab at ng nagpapataas ng pag-ihip sa
hangin sa Nogales End. Ang mataas na resulta na
naitala noong Agusto 2 ay maaring.may kaugnayan sa
mga paghuhukay na isinasagawa sa panahonna iyon
sa itaas ng Istasiyon ng Nogales End. Ang mataas na
antas noong Setyembre 7 ay dahil sa pansamantalang
pagkawala ng kuriyente na nangyan nang ang
kontratista na nagtatrabahosa Tipong 3 na bahagi ng
lupang tapunan ng basura ay aksidenteng nakasira ng
12-pulgada na lii y ng tagapab.oCipon ng hangin- Ang
katamtamang konsentrasyon ng antas ng vinyl
chloride sa kaburian ng nakaraang 12 na buwanzy
mababa nang husto kaysa sa 0.05 ppb na antas ng
pagbabala sa lahat ng mga istasiyon maliban sa
Istasiyon sa Nogales End kung sawn ang kainamang
antas sa kabuuan ng nakaraang 12 na buwan ay
0.1262 ppb. Ang mga antas na ito ay hindi madaliang
banta sa kalusugan ng mga nakatira sa lugar na ito..
Ang kontratista ng DTSC ay patuloy na nagtatrabaho
upang bawasan ang paglabas ng masamang hangin.
Ang mga halimbawa'y.
• Inayos na ang mga balong pang=tipon ng hangin;
• Pinarami ang pagkuha ng hangin mula sa Tipong I
na hrpang tapunan ng basura;
• Inalis ang halaman sa ibabaw ng Tipong I lupang
tapunan ng basura upang tulungan ang sistema ng
mgasyon sa ibabaw ng lupang tapunan ng basura
na mabawasan ang pagkatuyo at pagkabiyak ng
ibabaw ng Tipong I lupang tapunan ng basura;
• Hinahanap at inaayos ang mga bahagi ng ibabaw
ng lupang tapunan ng basura king saan maaaring
• Nagsimula na ang raga pagpapa-ayos sa
sistemang palabasan ng tubig'dahil sa ulan na
nasa South Haul Road at matatapos sa dulo ng
Oktubre;
• Inilagay at tumatakbo na ang bagong hnya para
sa pagknha ng hangin sa South HaulRoad noong
Setyembre 9;
• Ilalagay na sa malapit na hinaharap ang bagong
pan. ibip ng hangin na may malaiang kapasidad
upang mapalakas ang pagbigop na kukuha ng
hangm sa mga balong pang-qon ng hangin na
nasa paligid upang mabawasan ang
pagpapakawala nb hangin; at.
• Magsisimula sa Oktubre ang mga pagpapa ayos
ng mataas at mababang istasiyon ng pampasiklab
ng hangim
Karagdagang Impormasiyon
Ang karagdagang impormasiyon tungkol sa vinyl
chloride, kabilang ng pagkabuod ng kinukuwentang
:resuita Para sa nakaraang taon, at ng mga gawain ng
DTSC sa pasilidad ng BKK ay matatagpl&n sa
website ng DTSC sa hgp:/.,*-w dtsc.ca_4ov/
Hazardous' Vaste:°BKK/index.html.
Ipagpapatuloy ng DTSC ang pagbibigay-alam sa inyo
tungkol sa mga proyektong ito. Sa mantala,kung may
mga tanong kayo tungkol sa impormasiyon na nasa
ulat ng inrpormasiyong ito o anumang tanong tungkol
sa mga gawain ng DTSC sa Pasilidad ng BKK, paki-'
tawagan ang isa sa mga sumusunod na tauhan ng
DTSC:
Andy Burow
DTSC Essential Operations Manager
(Tagapangasiwa ng mga Pang nahing Gawain ng
DTSC)
9800 Cal Center Drive
Sacramento, CA 95826
(916) 255-6568
aburow@dtsc.ca.gov
RichardAllen
DTSC Permitting and Corrective Action
(Paglilisensiya at Pampaayos na Gawain ng DTSC)
1011 NOr`ih Grandview Avenue
Glendale, CA 91201 .
(818) 551-2924
rallen2@dtsc.ca.gov
KimRhodes
DTSC Public Participation Specialist
(Espesyahsta ng PakMpag-ugnay sa Publiko ng
DTSC)
8800 Cal Center Drive
Sacramento, CA 95826
(916) 255-3651
Krhodes 1 @dtsc.ca.gov
Para sa mga tanong Pang mediya, palatawagan
ang-
Jeanne Garcia
DTSC Public Information Officer (Opisiyai ng
Pampublikong Imponmas you ng DTSC) .
1011 North Grandview Avenue
Glendale, CA 91201
(818) 551-2176
j garcia l @dtsc.ca.gov
Maaati rm mnyo kamm.- kontaktin sa paggamit no,
libreng numero ng telepono para sa BKK at mag-
iwan ng berbal na mensahe. Ang libreng numero
ay 866-28"721.
2
r-------------------------------------�
j gupitin at ipadala NASA PANULAT NA LISTAHAN NA BA KAYO NG DTSC? i
Kung hindi ninyo natanggap ang ulat ng impormasiyon na ito at gusto ninyong magpapalagay sa panulat na listahan upang ,
tanggapin ang impormasiyon tuagkol sa mga Lupang Tapunan ng Basura ng BKK, paldtapusin ang kupon na ito at ibalik ito kay:
Ms. Kim Rhodes, DTSC Public Participation Specialist, 8800 Cal Center Drive, Sacramento, California 95826. `
Pangalan.
Adres:
1 Siyudad/Estado/Zip:
Telepono: Fax: E-mail:
! Puna:
❑ Palo-alisin mo ako sa panulat na listahan
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FOLLETO INFOBMATIVO,
Septiembre de 2M
ACTUALIZACION ACERCA DEL CLORURO
DE VINILO Y AVISOS DE ADVERTENCIA
CONFORME A LA PROPUESTA 65
El 18 de Octubre del 2004, BKK Corporation (BKK), propietario y operador
de los vertederos BKK notifico al Departamento de Control de Sustancias
Toxicas (DTSC) y a la Agenda de Protection Ambiental de los Estados
Unidos, que posteriormente a1.17 de Noviembre del 2004, no contaban con
los fondos suficientes pars seguir operando y manteniendo el Vertedero Clase
I (peligroso) y la planta de tratamiento de filttado. El 18 de Noviembre del
2004, DTSC comenzo a implementar una action de respuesta en emergencias
para cerciorarse que las actividades esenciales requendas en el vertedero
siguieran efectuindose. La instalaci6n BKK se encuentra ubicada en South
Azusa Avenue No. 2210, en la Ciudad de West Covina,. &
El 21 de Didembre del 2004, el 21 de Marzo del 2005, el 21 de Juno del
2005, y el 21 de Septiembre del 2005, BKK envio advertencias conforme a la
Propuesta 65 a dertas residencias en West Covina ubicadas cerca del extremo
sur del vertedero. Las cartas informaron a los residentes que en el afio
anterior durante 24 horas, el promedio de concentration de cloruro de vinilo
en las proximidades de sus residencias sobrepaso las 0.05 partes por billon
(ppb). BKK emite avisos conforme a la Propuesta 65 a las residencias
basindose en un cilculo del promedio de las concentrations de cloruro de
vmilo. El promedio calculado deternnina el numero de viviendas que reciben
los avisos.
Seb•6n to dispuesto por la Propuesta 65 de California, se requiere que una
empresa emita una advertencia clam y razonable a cualquier persona que
pudiera estar eepuesta a una sustanda quimica caya clasificacion corresponda
a un nesgo mis alto que el especificado. El nivel correspondiente al cloruro
de vinilo segue to dispuesto en la Propuesta 65, es de 0.05 panes por billon
(ppb) pars el cloruro de vinilo, y bisicamente, es un procedimiento initial
Gaya finalidad es advertir a las personas que puede existir un problema que
requiere de su atention. Dicho nivel seiiala que una persona eepuesta a 0.05
ppb de cloruro de vinilo en el aire durante el transcurso de una vida de 70 .
aiios, puede tener la probabilidad de una en cien mil (1/100.000) de contmer
tauter.
La cantidad de residencias en West Covina que recibieron los avisos
conforme a la Propuesta 65, incrementaron de 18 en Juno del 2005 a 44 en
Septiembre del 2005. Este aumento se debe a las inusuales y elevadas
lecturas del cloruro de vinilo que ocurrieron en Juno 7, Agosto 2 y 23, y en
Septiembre 7, 2005. Las lecturas mas altas en
cuatro digs aumentaron la concentration
promedia durante 24 horas, por to que
aumentaron la cantidad de avisos que envio BKK.
Los cilculos estimadvos de BKK pars las
concentrations de cloruro de vinilo en las
propiedades residenciales afectadas se basan en
los resultados de las muestras tomadas en dote
estaciones de monitored de aire identificadas en el
maps que se adjunta. En la estacion <Nogales
End Station (Estacion 3) los niveles de cloruro
de vinilo durante los 12 meses pasados han
fluctuado desde no detectado hasta el nivel
elevado de 0.645 ppb, to que ocurrio en
Juno 2 del 2005. En la estacion <Amar at
Nogales Station» (Estacion 11), los niveles de
cloruro de vinilo fluctuaron desde no detectado
hasta un elevado niimero de 0.2090 ppb, to que
ocurd6 el 7 de Juno del 2005.
En la mayoria de los casos, las lecturas de los
niveles mis elevados para el doruro de virdo en
Nogales End corresponden a hechos inusuales en
el sitio. Las lecturas elevadas obtenidas en Juno
7, 2005, se debio a una falla de energia que
temporalmente corto las operations. de la
estadon de combustion de gases y.de un
ventilador reforzador en Nogales End. El elevado
resultado registrado el 7 de Septiembre se debio a
una perdida temporal de energia la cual ocum6
cuando un contratista estaba trabajando en la
portion Clase III del vertedero III, quien
accidentalmente quebro una linea colectora de gas
de 12 pulgadas. La concentration promedia de
cloruro de vinilo durante los 12 meses pasados
esta muy por debajo del nivel de advertencia de
0.05 ppb en todas las estadones excepto en End
Nogales Station donde la concentration promedia
ponderada en el tiempo durante los 12 meses
pasados ha sido de 0.1262 ppb. Esos niveles no
presentan una amenaza inmediata a la salud de los
residentes en el area.
El contratista de DTSC sigue trabajando para
reducir las emisiones. Los ejemplos son:
• Se han rehabilitado los pozos colectores
de gas;
• Se ha aumentado la extraction de gas
desde el vertedero Clase I;
• Se ha removido la vegetation en la
cubierta del vertedero Clase I pars ayudar
a que la cubierta del sistema de irrigation
del vertedero minimice que la cubierta del
vertedero Clase I se seque y se trice;
• Se han identificado y reparado partes de laa,
cubierta. del vertedero de la cual el gas
puede escaparse;
Se ha dado inido a las reparations en el
sistema de drenaje de aguas Iluvia en
South Haul Road y deber an terminarse a
fines de Octubre;
• El 9 de Septiembre se instalo una nueva
Linea de extraction de gas en South Haul
Road y ahora esti en operation;
• En el futuro proximo .se instalari un
ventilador nuevo de gran capacidad pars
aumentar la aspiration en los perimetros
de los pozos colectores de gas con el
objeto de reducir las emisiones de gas; y
• Las reparadones de las estaciones
superiores a inferiores de combustion de
gases comenzaran en Octubre.
Information Adicional
La information adicional acerm del cloruro de
vinilo, incluyen un resumen de todos los
resultados analiticos del aflo pasado, y las
actividades de DISC en is instalacion BKK, se
encuentran en el sitio en la red de DISC en http: /
v�-ww,.dtsc.ca.gov/HazardousWaste, BKK!
in.dex.hi�nl
DTSC to mantendri informado acercaa, de la
situation actual del proyecto. En el mientras
tanto, si usted desea formuiar alb•una pregunta con
respecto a la information contenida en este
folleto informatioo, o sobre cealquier asunto
respecto a las actividades que DISC realiza en la
instaladon BKK, sirvase comunicarse con
cualquiera de los fundonarios de DTSC que se
indican a continuation:
Andy Burow
DTSC Essential Operations Manager
8800 Cal Center Drive
Sacramento, CA 95826
(916) 255-6568
aburow@a dtsc.cs.gov
•
•
Richard Allen
DISC Permitting and Corrective Action
1011 North Grandview Avenue
Glendale, CA 91201
(818) 551-2924
rallenZ@dtsc.ca.ggv
Kim Rhodes
DISC Public Participation Specialist
8800 Cal Center Drive
Sacramento, CA 95826
(916) 255-3651
Krhodesl@dtsc.ca.
Los medios informativos, sirvanse comunicarse
con:
Jeanne Garcia.
DISC Public Information Officer
1011 North Grandview Avenue
Glendale, CA 91201
(818) 551-2176
1garcial dtsc` ca:2
Tambien puede Ramarnos sin costo al
(866) 284-0721 y dejar un mensaje en nuestro
buz6n de voz.
----------------------7
Cortado y correo
t ESTA USTED EN LA LIM DE DIRECCIONES DE DTSC?
En el caso que usted no recibi6 este folleto informativo por correo, y quisiera que se le inciuyera en la lista de
direcciones pars recibir informaci6n acerca de los Vertederos BKK, sirvase completar este cup6n y
devolverlo a: Ms. Kim Rhodes, DI SC Public Participation Specialist, 8800 Cal Center Drive, Sacramento,
Califomia 95826
� Nombre: I
Direcci6n: `
City/State/Zip:
I
Telefono: Fam E-maiL
Comentario:
❑ T6meme por favor de la lista que envia
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• ATTACHMENT
D
September 20; 2005
Mr: Norman Riley, Chief of Emergency Response
_._ Department of Toxic Substances Control
8800 Cal Center Dr.
Sacramento, CA 95826
Be: B%SLandfd Proposition 65 Public Notices on Vinyl Chloride Releases in the Air
Dear Mr. Riley -
The City of West Covina is concerned that the vinyl chloride emissions at the BKK LandO are
getting worse. It is to our knowledge that DTSC has been overseeing the maintenance and
repairs, in an effort to control and reduce the emissions below the Proposition 65 reporting
levels. We understand that the vinyl chloride emissions levels have now exceeded USEPA'S
1994 vinyl chloride response action.
The City would like -a detailed report from DTSC on all repair work up to date relating to the
releases. Please include an understanding as to why the air monitoring data shows continued
increases in vinyl chloride emissions rather than reductions, in spite ofDTSC's past efforts on
the repairs. Also, include in your report, DTSC's coordination with USEPA on implementing
the response action plan.
The City is hopeful to get assurance from DTSC that this continues to be a
measures possible are being taken to reduce the emissions,priority, that all
utilized to control the vinyl chloride emissions. and all available resources are being
If you have any questions, please call me at (626) 939-8430.
Sincerely,
Steven L Samaniego
ozmcatal 1Jianagemem Director, -ity of West Covina
SLS jo
° 1444 W. Garvey Avenue • P.0. Box 1440 • West Covina, CA 91790 (626) 939-8400
cc: Andrew G. Pasmant, City Manager
Colin Lenard, Special Environmental Council
Scott Walker, CIWMB
Dan Ziarkowski, DTSC
Dorothy Rice, DTSC
Carmen Santos, USEPA
Chris Hansen, BKK
• 144" W. Garvey Avenue • P.O. Box 1440 • West Covina, CA 91790 (626) 939-8400
ATTACHMENT E
Department of Toxic Substances Control
Alan C. Uoyd, Ph.D. 8800 Cal Center Drive
Agency secretary
etary Sacramento, California 95826-3200
Ca!!!_P
September 29, 2005 RECEIVED
Community Services Dept.
OCT 4 ?OQ
Mr. Steven L. Samaniego
Environmental Management Director CnY OF WEST COVIrM
City of West Covina
1444 West Garvey Avenue
P.O. Box 1440
West Covina, California 91790
BKK LANDFILLS FACILITY.' PROPOSITION 65 LETTERS, VINYL CHLORIDE
EMISSIONS AND BKK RESPONSE ACTION PLAN
Dear Mr. Samaniego: .
Thank you for your September 20, 2005 letter regarding the Proposition 65 warning
letters on vinyl chloride recently issued by the BKK Corporation (BKK) to 44 residences
near the BKK landfills. You asked specifically for a detailed account of all repair work
performed by the Department of Toxic Substances Control (DTSC) to address vinyl
.chloride releases. Also, you asked why air monitoring data show continued increases in
vinyl -chloride emissions rather than reductions, and you requested an explanation of
how DTSC is coordinating with the United States Environmental Protection Agency
(U.S. EPA) to implement BKK's response action plan. I appreciate your interest in
these subjects, and I am happy to respond to your questions. Let me begin with some
background information that will help put the problem. in perspective.
BACKGROUND
The gas collection and monitoring systems are large and complex. The landfill gas
collection and monitoring systems consist of several thousand gas extraction wells,
most of which were installed vertically, either through the clay cap into the waste prism,
or into native soils. Each well is connected to horizontal pipes (headers) that range in
size from 8 to 24 inches in diameter, and that are under vacuum. The headers convey
collected gases to one of the two flare stations on the site, or to the cogeneration facility
operated by Minnesota Methane. Literally miles" of gas collection pipes traverse the
facility. In addition to the aforementioned wells, a series of perimeter probes are
instaft.1, along t to exterior boundary of the Ciass I landfill. These probes. extend to
depths between 5 and 200 feet below' the ground surface, and occur in clusters of 2 to 5
probes every 300 to 500 feet.
0 Printed on Recycied Paper
Mr. Steven L. Samaniego
September 29, 2005
Page 2
Ambient air samples are collected at 12 fixed locations around the 583-acre facility.
Ambient air samples have been collected at the facility for many years. Over the last
several years, the highest concentrations of vinyl chloride have occurred at the Nogales
End Station (designated as Station •3" on the enclosed map). The 12-month rolling
average for vinyl chloride detected in ambient air from Station 3 decreased from 1994 to
below 0.05 parts per billion by volume (ppbv) in 1997, and remained well below that
level until 2002. In August 2002, vinyl chloride averages began to trend upward. In
September 2004, the 12-month rolling average climbed above 0.05 ppbv and has
continued to increase at an approximate rate of 0.01 ppbv every 5 months. For the
period running between September 27, 2004 and September 7, 2005, the 12-month
rolling time -weighted average for vinyl chloride at the Nogales End was 0.1262 ppbv.
By comparison, vinyl chloride levels ranged from 5 to 990 ppbv during the 1984
evacuations.
DTSC's Activities
Since initiating its emergency response action on November 18, 2004, DTSC has
implemented a number of measures aimed specifically at addressing vinyl chloride
emissions. The measures include:
• cutting vegetation on the Class I landfill benches to improve irrigation system
efficiency in order to minimize drying and cracking of the landfill cap;
• repairing Class i landfill irrigation lines and sprinkler heads;
• rehabilitating 22 dual phase gas/leachate extraction wells that were
non -operational. -
inspecting gas lines .to identify and repair leaks;
• increasing the frequency of air monitoring at all stations;
installing two additional air monitoring stations along the eastern boundary of
the facility to assess any vinyl chloride releases toward the City of Walnut and
the proposed Standard Pacific Homes development project;'
• investigating impacts of varying gas line vacuum pressure levels initiated by
BKK/Minnesota Methane in October and November 2004; w
• initiating work on the replacement and repair of the storm drain system; and
° DTSC installed these air monitoring stations in April 2005. They are shown as stations "B" and "14" on the
enclosed map.
•
Mr. Steven L. Samaniego
September 29, 2005
Page 3
• installing a new landfill gas collection line along the South Haul Road above the
Nogales End area.
In addition, DTSC plans to move ahead with the purchase of a new large capacity
blower to increase the vacuum of perimeter wells, and has issued. a work order to its
contractor, Engineering/Remediation Resources Group, Inc., to upgrade the flares at
both the upper and lower flare stations.
As noted in the March 30, 2005 letter.you received from Mr. Donald Plain of DTSC, the
BKK landfills have many potential sources of gas releases. These include leaks from
the South Haul Road storm drain, drop inlets running under bench roads, gas line
vaults, the cap, poorly seared gas wells, gas lines, and inefficiencies in the landfill gas
collection system. Inspections are conducted daily and problems are fixed when
discovered. We think the Class IiI closure activities now underway may also be
contributing to vinyl chloride readings and will be discussing that concern with the
Integrated Waste Management Board in the very nearfuture. The measures described
above should each incrementally improve the situation and we hope to see those
changes reflected in weekly monitoring results relatively soon.
Vinyl Chloride Data
As I discussed with you by telephone on September 20, P 2005, BKK uses a simple
isopleth drawing method in which concentrations in ambient air at locations removed
from the air monitoring stations are assumed- to be mathematically proportional to
distance from the monitoring stations, without consideration of factors that attenuate gas
concentrations. Higher numbers tend to increase the mathematical average, thereby
increasing the number of notices sent by BKK. The increase in the number of Proposition 65 notices issued by BKK from 18 on June 21, 2005 to 44 on
September 21, 2005 is due to unusually high results that were factored into the
calculation of the annual 24-hour rolling average.
A reading of 0.6450 ppbv occurred on June 7, 2005. That high result was caused by a
temporary power failure that shut down the flare stations and a booster blower at the
Nogales End. The 0.4280 ppbv result for September 7, 2005 was likely due to a
temporary shutdown of the system caused when Yeager Construction, a contractor
engaged in Class III closure operations, ran over and broke a 12-inch gas collection
header line on the Class III facility. The 0.3090 ppbv reading obtained on
August 2, 2005 may have been due to the excavation of a trench near the Nogals End.
The cause of the 0.4990' ppbv reading obtained on August 23, 2005 remains unclear.
Despite these high results, the average concentration of vinyl chloride over the past 12
months is well below the 0.05 ppb warning level at all stations except the Nogales End
Mr. Steven L. Samaniego
September 29, 2005
Page 4
Station where the average time -weighted concentration of the past 12 months has been
0.1262 ppb. These levels do not pose an immediate health threat to the residents in
the area.
Response Action Plan
The "Response Action Plan for Vinyl Chloride" (the Plan) that you refer to is a document
prepared by BKK on July 21, 1994 and approved by U.S. EPA on August 4, 1994, as
part of a remedial action plan prepared by BKK in response to a corrective action order
issued by U.S. EPA. The Plan identifies particular response actions that will be taken if
vinyl chloride concentrations exceed specified levels. For example, it states that if vinyl
chloride levels range from 0.5 to 1.0 ppbv, BKK will review its operational activities,
looking first for anomalies in activities such as excavations and equipment breakdown.
Other examples of responses to levels of vinyl chloride between 0.5 and 1.0 ppbv
include the repair of damaged wells. Additional measures are prescribed for BKK when
vinyl chloride levels range between 1.0 and 2.0 ppbv, and between 2.0 and 10.0 ppbv.
As you can see from the preceding discussion, the measures DTSC has taken in
response to vinyl chloride emissions below 1.0 ppbv at the Nogales End far exceed the
measures called for by the Plan that BKK is actually responsible for implementing.
I hope the foregoing answers are useful to you, and provide you with a better
understanding of the various measures taken and planned by DTSC to address vinyl
chloride emissions at the BKK landfill. DTSC takes this problem very seriously, and is
doing all it can to identify the source(s) of the releases and take appropriate corrective
measures to address those releases. DTSC will continue to require its contractor or
others to conduct similar actions until the releases are abated.
If you have any additional questions regarding these or other DTSC activities, please do
not hesitate to contact me at the letterhead address or telephone number.
Sincerely,
i /
o an . Ril , Chief
Emergency esponse & Statewide Operations Division
Enclosure
cc: See next page.
Mr
Mr. Steven L. Samaniego
September 29, 2005
Page 5
cc: Ms. Carmen Santos
U.S. EPA Region IX
Waste Management Division (WST)
75 Hawthorne Street
San Francisco, California 94105
Mr. Andrew Pasmant, City Manager
City of West Covina
1444 W. Garvey Avenue
P.O. Box 1440
West Covina, Califomia 91790
Mr. Colin Lennard
Special Environmental Counsel
City of West Covina
1444 W. Garvey Avenue
P.O. Box 1440
West Covina, California 91790
Mr. Scott Walker, Chief
Remediation, Closure & Technical Services Branch
California Integrated Waste Management Board
1001 "1" Street, 10th Floor
Sacramento, California 95812-4025
Mr. Leonard Robinson
Acting Director
Department of Toxic Substances Control
1001 "1" Street
P.O. Box 806
Sacramento, California 95812-0806
Mr. Richard Allen
Southern California Permitting and Corrective Action Branch
Hazardous Waste Management Program
Department of Toxic Substances Control
1011 North Grandview Avenue
Glendale, California 91201
Mr. Steven L. Samaniego
September 29, 2005
-Page 6
cc: Ms. Marilee Hanson
Senior Staff Counsel
Office of Legal Counsel and Investigations
Department of Toxic Substances Control
1001 "I" Street
P.O. Box 806
Sacramento, California 95812-0806
Ms. Diane Fowler
Public Participation Supervisor
Office of External Affairs
Public Participation and Education
Department of Toxic Substances Control
8800 Cal Center Drive
Sacramento, Califomia 95826-3200
Ms. Dorothy Rice
Deputy Director
Site Mitigation and Brownfields Reuse Program
Department of Toxic Substances Control
1001 "I" Street
P.O. Box 806
Sacramento, California 95812-0806
Mr. Don Plain, Chief
Emergency Response & Special Projects Branch
Site Mitigation and Brownfields Reuse Program
Department of Toxic Substances Control
8810 Cal Center Drive
Sacramento, California 95812-0806
Mr. Dan Ziarkowski
Supervising Hazardous Substances Scientist I
Emergency Response & Special Projects Branch
Site Mitigation and Brownfields Reuse Program
Department of Toxic Substances Control
8810 Cal Center Drive
Sacramento, California 95826-3200
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ATTACHMENT F
BKK Landfills Bri*g Summary is
Following is a summary of a telephone call on November 30, 2005 with
Steve Samaniego and Andrew Pasmant of the City of West Covina and Kim Rhodes and
Dan Ziarkowsky of the Department of Toxic Substances Control about gas emissions at
the BKK Landfills facility.
1) DTSC's contractor, Engineering Remediation Resources Group, (ERRG) has been
repairing equipment and systems at the facility, including several large infrastructure
items, such as the storm drain.
2) There are multiple sources of landfill gas emissions; including the 1040 deck, 940
deck, South Haul Road, and many bench roads along the south side of the Class I landfill.
This information is based on landfill sweeps using methane (CH4) as an indicator.
3) Some re -design and replacement work will be needed at the facility.
4) The Class III landfill is likely a recent contributing source of vinyl chloride to some of
the air stations, but it is not a sole source. DTSC reviewed the Class III landfill sampling
efforts with the City representatives.
5) ERRG has been told that when BKK conducted the sampling in years prior to
initiation of DTSC's emergency response action in November, 2004, BKK may have
irrigated the landfills prior to sample collection, which would have potentially suppressed
landfill gas emissions over the short term. ERRG has.made a conscience effort to NOT
follow this alleged BKK procedure, which was not consistent with the intent of US EPA's
air monitoring requirements (EPA requires that no samples be collected w/in a 72 hour
rain event).
6) DTSC explained the gas extraction trench on the South Haul Road.
7) The current vinyl chloride response is consistent with US EPA's 1994 BKK response
action plan.
8) DTSC is looking for additional sources of vinyl chloride and plans to focus on down
drains.
9) DTSC gave an update on the Consent Decree and PRP involvement.
10) DTSC reported that BKK has indicated that approximately 100 homes will receive
Prop 65 notices in the near future.
11) DTSC will continue to update the City on vinyl chloride mitigation efforts and keep
the City posted on any new findings.
0 ATTACHMENT G
Environmental Management
Department
August 23, 2005
Mr. Scott Walker, P.E.
Branch Manager, Closure and Remediation Branch
California Integrated Waste Management Board
1001 "I" Street — MS #20
P.O. Box 4025
Sacramento, CA 95812-4025
Re: BKK Landfill Class III interim Final Closure and Postclosure Maintenance Plans -
January 17, 2005
Dear Scott:
As a follow-up from our conversation August 16, 2005, I would lice to address the Local
Enforcement Agency's (LEA) concerns regarding any proposed further reduction of the interim
approved 5-foot vegetative cover soil for the BKK Class III Landfill.
On February 5, 2005, the Regional Water Quality Control Board for the Los Angeles Region
(RWQCB) conditionally approved a reduction in the thickness of the vegetative cover soil on the
top deck from 7.5 feet to 5 feet. This reduction was based on the understanding that the final end
use of the BKK Landfill was non -irrigated open space, not an irrigated golf course.
Because of inadequate closure funds, the California Integrated Waste Management Board
(CIWMB) is now considering further reducing the RWQCB approved 5-foot vegetative cover
soil layer to 2.5 feet. It was the LEA's understanding that the RWQCB approved 5-foot depth
was the minimum reduction the Board would consider and that they were reluctant to go lower
than 5 feet.
The citizens in West Covina have had a great sense of comfort in terms of public health and
safety with the State agency's requirement of a 7.5-foot vegetative cover soil cap approved in the
November 1997 (Revised) Final Closure and Postclosure maintenance plans. The public has
voiced concerns over the initial reduction from 7.5 feet to 5.0 feet and needed reassurance that
their public health and safety would not be jeopardized. The public accepted RWQCB's
reduction with the understanding that that was the minimum reduction.
Prior to any discussions or approvals of further reducing the approved interim 5-foot vegetative
cover soil to 2.5 feet, the LEA would appreciate the CIWMB explaining in writing any
additional proposed revisions to BKK's conditionally approved Class III BKK Landfill Interim
1444 W. Garvey Avenue • P.O. Box 1440 • West Covina, CA 91790 (626) 939-8400
Mr. Scott Walker
August 23, 2005
Page 2
Final Closure and Postclosure maintenance plans, including RWQCB's environmental criteria
justifying the adequacy of any further reduction from the interim approved 5-foot vegetative
cover soil.
In conclusion, the LEA shares the CIWMB's public health and safety objective to certify closure
of the BKK Class III Landfill. Unfortunately, the CIWMB, RWQCB and LEA should not
overlook any potential long-term impacts the citizens of West Covina may be subjected to from a
closure certification that is inconsistent with the approved November 1997 (Revised) Final
Closure and Postclosure Plan. The approved design has taken years to approve going through
the required environmental planning and public review process to now be significantly changed
without any due process provided for the public's input addressing their public health and safety
concerns.
If you have any questions, please call me at (626) 939-8430.
Sincerely,
z-
-Steven L. Samaniego, Manager
Waste Management Enforcement Agency
SLS:mg
cc: Andrew G. Pasmant, City Manager
Colin Lennard, Environmental Counsel
Arnold Alvarez-Glasman, City Attorney
Dr. Wen Yang, Regional Water Quality Control Board
City Council Members
• 1444 W. Garvey Avenue • P.O. Box 1440 • West Covina, CA 91790 (626) 939-8400