CIWMB’s Solid Waste Information System (SWIS) number: 10-AA-0002
Site Information per
Landfill Facility Compliance Study (Task 2)Information Source: Owner/Operator
(Browning Ferris Industries of California, Inc.)
Telephone conversation: April 8, 2004
The site is in corrective action due to a contaminated groundwater
plume. The site is a closed, largely unlined landfill (5 acres lined).
The corrective action program (CAP) is ongoing and consists of a pump
and treat system and an air stripper. The owner stated that there have
been no problems implementing the existing groundwater related landfill
environmental protection regulations.
The owner received a violation after gas migration was detected in a
couple of probes, and which was attributable to a breakdown in a portion
of the landfill’s gas extraction system. After repairing the system,
which took approximately three to four weeks, the owner was able to
return the system to compliance. The site was cleared by the following
quarterly inspection. The lesson learned is that maintenance of the
landfill gas collection system is important because a breakdown can lead
to problems. The owner stated that there were no problems implementing
the existing landfill gas-related regulations.
The owner stated that there have been no areas of concern (AOC), no
violations for leachate control, and no enforcement actions for
drainage/erosion control issued since the beginning of the study
(January 1, 1998). In addition, there have been no problems implementing
the existing surface water-related landfill environmental protection
regulations.
The owner stated that there have been no air quality-related issues at
Chateau Fresno Landfill since the beginning of the study period (January 1,
1998), and there have been no problems implementing the existing landfill
air quality regulations at the site.
Information Source: Central Valley Regional Water Quality Control
Board
E-mail response: April 8, 2004
The CAP was implemented in October 1996 with the installation of a
groundwater pump-and-treat system. The system consists of one
groundwater extraction well installed down-gradient (southwest) of the
landfill to capture and extract groundwater that has been degraded by
volatile organic compounds (VOC). The degraded groundwater is treated
through a stripping tower and discharged to an on-site percolation
basin.
The discharge of treated water from the groundwater extraction
network is regulated pursuant to the site waste discharge requirements (WDR)
(Order No. 96-206). The CAP is currently ongoing. Recent influent
samples collected from the groundwater extraction system exhibit
consistent detections of tetrachloroethylene, trichloroethylene, and
vinyl chloride at concentrations above their respective maximum
contaminant levels (MCL), and detections of chloroform,
1,4-dichlorobenzene, dichlorodifluoromethane, 1,1-dichloroethane,
cis-1,2-dichloroethylene, 1,2-dichloropropane, and
trichlorofluoromethane at concentrations below their respective MCLs.
The regional water quality control board (RWQCB) stated that there
have been no problems implementing the existing groundwater-related
landfill environmental protection regulations at the site. The process
of determining which course of corrective action is to be taken at any
given facility requires a thorough evaluation of site-specific factors
that are unique to each site.
Information Source: Enforcement Agency (Fresno County Department
of Community Health)
Telephone conversation: April 7, 2004
The site has a landfill gas collection system. Chateau Fresno’s
entire landfill gas collection system is located below the cover and is
subject to settlement. Regarding the previous landfill gas-related
violations, the enforcement agency (EA) stated that some of the piping
components were damaged by settlement; therefore, some of the lines
became pinched off or were blocked by condensate, which then resulted in
gas migration.
About a year and a half ago, the lateral lines on the east side of
the landfill were constructed above ground. There have not been any
problems with migrating gas since the repairs were performed. The owner
continues to work with the gas collection system to get the best gas
flow possible. At this time, the owner plans to install 11 extraction
wells on the deck. The owner has not disconnected the piping that
remains below the cover on the east side and maintains this piping in
place as a backup system in case of difficulties with the surface
system.
The interviewee stated that there have been no AOCs, violations for
leachate control, or enforcement actions for drainage/erosion control
issued to the site since the beginning of the study period (January 1,
1998). In addition, there have been no problems implementing the
existing surface water-related landfill environmental protection
regulations at the site.
Information Source: San Joaquin Valley Air Pollution Control District
E-mail response: April 6, 2004
The San Joaquin Valley Air Pollution Control District stated that
there have been no air quality related issues at Chateau Fresno Landfill
since the beginning of the study period (January 1, 1998), and there
have been no problems implementing the existing landfill environmental
protection regulations at the site.
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