Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 12/15/2023
    TIME: 1050
    RECEIVED BY:
    CONTROL#:
    Cal OES - 23-7669
    NRC - 1386787
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Martinez Refining Company
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. SO2=Unknown Lbs.VAPORNoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Reporting Party States: Do to an unplanned flaring event SO2 is venting into the atmosphere which may be exceeding the reportable quantity. There currently no major impact to the surrounding community.

Per NRC Report: "CALLER STATES AN UNKNOWN AMOUNT ABOVE THE RQ OF SULFIDE DIOXIDE IS RELEASING INTO THE ATMOSPHERE FROM A FLARE STACK. A STEAM GENERATOR FAILED CAUSING A SYSTEM UPSET WHICH CAUSED THE RELEASE."
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Not stopped, Not containedNoNoneNo
l. MARITIME VESSEL
No
m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: 3485 Pacheco Blvd
b. CITY:c. COUNTY: d. ZIP:
Martinez
Contra Costa County94553BAY AREA AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
12/15/20230955 Refinery Unknown
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoUnrecoverable
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
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: 23-7669 *********

Created by: Warning Center on: 12/15/2023 10:50:13 AM Last Modified by: Warning Center on: 12/15/2023 11:03:19 AM