Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 11/20/2024
    TIME: 1756
    RECEIVED BY:
    CONTROL#:
    Cal OES - 24-6511
    NRC - 1416944
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Chevron Richmond Refinery
1.b. PERSON REPORTING SPILL (If different from above):
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
2. SUBSTANCE TYPE:
2. a. SUBSTANCE:b.QTY:>=<Amount Measurec. TYPE:d. OTHER:e. PIPELINEf. VESSEL
>= 300 Tons
1. Sulfide, Hydrogen=196.4 Lbs.VAPORNoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: ***Historical Report*** The inlet flange gasket of an air cooler interface failed for reasons that are currently unknown, leading to the release of sulfur dioxide into the atmosphere. The facility’s fire department and system technicians responded to the scene. Upon arrival, they isolated the area and shut down the system's pump, stopping the release. There were no fires, injuries, or evacuations required. Permanent repairs were completed without any further issues. The refinery's operations were not affected by the incident. ***Historical Report***
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Stopped, Not containedNoNoneNo
l. MARITIME VESSEL
No		m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: 841 Chevron Way
b. CITY:c. COUNTY: d. ZIP:
Richmond
Contra Costa County94801BAY AREA AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
11/10/20240810 Refinery Mechanical
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoReporting Party
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
National Response Center (NRC)
d. ADMIN. AGENCY: Contra Costa County Health Services Departmente. SEC. AGENCY:
f. ADDITIONAL COUNTY: g. ADMIN. AGENCY:
h. NOTIFICATION LIST:
Cal GEM:
RWQCB Unit:

2
Cal OES Region:
AA/CUPA, DTSC, RWQCB, US EPA, USFWS, AIR RESOURCES BD, Co/WP, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 24-6511 *********

Created by: Warning Center on: 11/20/2024 05:56:18 PM Last Modified by: Warning Center on: 11/20/2024 06:34:27 PM