Department of Toxic Substances Control
Exide Vernon Facility Update
May 7, 2024
6 9
7 5
4 3
2 1
8 1
5B
4 3
2 5A
Five (5) Non-Regulated Buildings Undergoing Deconstruction in 2023
1. Electric Shop/Maintenance Storage
2. Machine Shop
3. Garage
4. Blue Lead Warehouse
5. PAC Center (5A Product Storage and 5B Chemical Storage) Nine (9) Non-Regulated Buildings Planned for Deconstruction in 2024
1. Finished Lead Warehouse
2. BESS Building
3. Motor Control Center (MCC) Structure
4. Scale House - North Yard
5. Employee Facilities Building
6. Engineering Building
7. Water Softening Building
8. Cooling Tower
9. Scale House - West Yard
11 5 Non-Regulated Building Demolition
• Decontamination and
deconstruction activities
for five non-regulated
structures were
performed under full
enclosure units (FEUs)
under negative air
pressure and completed
by January 2024.
54 14
Five Non-Regulated Buildings Decontamination and Destruction Progress Electrical Shop/Maintenance Storage
and Machine Shop – Full Enclosure
Unit (FEU) No. 1
Decontamination and deconstruction of the
Electrical Shop/Maintenance Storage and
Machine Shop, including construction and
removal of FEU No. 1, was completed on
September 12, 2023.
14 Garage – Full Enclosure Unit (FEU)
No. 2
Decontamination and deconstruction of the
Garage, including construction and removal of
FEU No. 2, was completed on October 3, 2023.
Five Non-Regulated Buildings Decontamination and Destruction Progress 14 Blue Lead Warehouse – Full Enclosure
Unit (FEU) No. 3
Decontamination and deconstruction of the Blue
Lead Warehouse, including construction and
removal of FEU No. 3, was completed on
December 15, 2023.
Blue Lead
Warehouse
Five Non-Regulated Buildings Decontamination and Destruction Progress 14 PAC Center Product Storage
Warehouse and Chemical Storage
Building – Full Enclosure Unit (FEU)
No. 4
Due to the proximity of the onsite stormwater
surface impoundment, the PAC Center was
deconstructed in two phases (West and East).
Decontamination and deconstruction of the
Chemical Storage Building, including
construction and removal of FEU No. 4 (West),
was completed on November 13, 2023.
Decontamination and deconstruction of the
Product Storage Warehouse, including
construction and removal of FEU No. 4 (East),
was completed on January 16, 2024.
Five Non-Regulated Buildings Decontamination and Destruction Progress Ongoing Facility Operations and Maintenance (O&M) Activities Site Security Treatment Plant
Operation Wheel Wash Station
Permit(s)
Compliance
Maintain Facility
Grounds (e.g.,
housekeeping,
utility repairs)
5 Air Monitoring
Stations (24/7)
Stormwater Management and Sludge Removal
54 • DTSC’s O&M contractor is
conducting ongoing
stormwater management
activities, including removing
sludge from the WWTP
• To ensure that enough head
space is available for future
treatment of stormwater and
wastewater generated at the
Facility, approximately 55,000
gallons of sludge was
removed in Q1 2024
Daily Ambient Air Monitoring - Lead
Activities in Progress
• DTSC’s regional A&E contractor to complete pending investigation and evaluate site cleanup alternatives.
• DTSC approved a Phase 1 Closure Work Plan (November 2023), and field sampling activities are currently ongoing.
• DTSC is planning the decontamination and deconstruction of nine remaining non-regulated structures at the Facility.