CIWMB’s Solid Waste Information System (SWIS) number: 19-AA-0052
Site Information per
Landfill Facility Compliance Study (Task 2)
Closed before 1993Information Source: Owner/Operator—Republic Services
Telephone conversation: March 29, 2004
The site is currently in a corrective action program (CAP) for
landfill gas (LFG)-related volatile organic compounds (VOC) in
groundwater. The owner installed a series of additional LFG collection
wells that have addressed the VOC concentrations and groundwater quality
is improving over time. The owner did not indicate which cell had been
the source of the VOCs, lined or unlined.
The site has received an area of concern (AOC) for LFG-related
migration probe issues. The owner adjusted the LFG well field by
fine-tuning the systems (adjusting the vacuum) and adding one additional
extraction well to maximize the ability to mitigate LFG migration to
groundwater.
The owner installed additional sections of paved roads to address an
erosion control AOC. The owner installed additional LFG wells to address
a notice to comply (NTC) for surface emissions that violated air quality
management district (AQMD) regulations.
Information Source: Los Angeles Regional Water Quality Control Board
Telephone conversation: March 26, 2004
The regional water quality control board (RWQCB) indicated that the
site is under a CAP for releases to groundwater near the site entrance.
The owner responded by installing an additional LFG well network, and
according to the RWQCB, conditions have generally improved.
Information Source: Enforcement Agency—Los Angeles County Department
of Health Services
Telephone conversation: March 31, 2004
The EA indicated that the landfill received an AOC for methane
concentrations greater than 5 percent in LFG migration probes. The owner
took immediate measures to fix the LFG migration issue by installing an
additional LFG collection well. The EA also indicated that the owner
received an AOC for erosion control issues.
Information Source: South Coast Air Quality Management District
Telephone conversation: March 31, 2004
The AQMD indicated that the owner was issued an NTC for gas migration
issues (detection in perimeter monitoring probes), but that the site is
now in compliance with air quality and LFG-related requirements.
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