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Valero (26003), Norco

LDEQ Accident Report

Accident #122464
State Police #10-01610
Accident Date2010-03-30
Report Date 2010-04-06
Follow-up Date 2010-06-01
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide7dFLARE: flare #1NOYESNO2,870.0 pounds
Hydrogen Sulfide7dFLARE: flare #1NONONOBRQ

Accident Classified As:

Cause of Problem: Under Investigation

Elevated sulfur compounds at Flare #1. FLARE.

Discharge Preventable - Under Investigation

Refinery letter states that "we have not yet made a determination on whether or not this discharge was preventable. We will submit additional correspondence detailing the root cause of the incident." In follow-up letter dated 6/1/10, no additional information is given.

Notes/Remedial Actions

Ongoing testing/monitoring of elevated sulfur compounds in the flare during the week. Unclear if emissions had ceased at time of LDEQ report.