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Valero (26003), Norco

Causal Factor: Start Up, Shut Down

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
78326

2005-04-16		Coker Unit
Cause: Shutting Down Coker unit for maintenance turnaround

Followup: No

Notes: None
76465

2005-01-26		No Information Given
Shutting Down part of refinery
Cause: Shutting Down part of refinery

Followup: No

Notes: Courtesy notice


No LDEQ Reported

2006-10-06		None Reported
Cause: emissions associated with startup and shutdown of several West Plant sources as a part of a planned outage.

Followup: No

Notes:
88169

2006-05-26		None Reported
Cause: Starting up units on west plant and there was a chance that some flaring might occur. Start up was without incident.

Followup: No

Notes: According to letter,
106899

2008-07-07		CCR Unit
Cause: departure from start up, shut down, & malfunction plan for CCR Unit

Followup: No

Notes: Letter states that emission were BRQ.
104831

2008-04-17		Flares 1 and 2 (EQT 013 and 007)
Cause: difficulty during startup of catalytic cracker and gas Desulfurization Unit

Followup: No

Notes: Startup rates of units kept low to reduce emissions		Sulfur Dioxide: 215.0 pounds

103790

2008-03-10		Flares 1 and 2, Thermal Oxidizer #1, Cooling Tower (CT-04-02)
Cause: start up of Alky and MSCU Units following a major refinery turnaround reveals propane leak.

Followup: Yes

Notes: Valero secured a Temporary Variance prior to this turnaround. Incident still under investigation at time of report. Follow up letter states that VOC emissions were 1238 lbs/hr, but it does not state how long this emission rate lasted.

116930

2009-07-30		No information given.
No information given
Cause: Emissions were detected during the start up procedures of refinery process units between 7/30/09 and 8/03/09. Follow up report determined releases were all below reportable quantities and did not give any more information.

Followup: Yes

Notes: Feed was pulled from malfunctioning units.

116875

2009-07-29		Vacuum heater
Cause: Smoke Emitted from our vacuum heater during the start up.

Followup: No

Notes: No information given.