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Alon Refining (3116), Krotz Springs

LDEQ Accident Report

Accident #135219
State Police #11-07099
Accident Date2011-11-14
Report Date 2011-11-21
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide8 hFLARE: FCCUNOYESNO636.0 pounds
Nitric Oxide8 hFLARE: FCCUNOYESNO43.2 pounds
Carbon Monoxide8 hFLARE: FCCUNOYESNO234.9 pounds
Volatile Organic Compounds (VOCs)8 hFLARE: FCCUNONOYES497.9 pounds
Hexane8 hFLARE: FCCUNONONO30.9 pounds
Particulate Matter8 hFLARE: FCCUNOYESNO2.9 pounds
Ethylene8 hFLARE: FCCUNONOYES26.8 pounds
Propylene8 hFLARE: FCCUNONOYES114.1 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Maintenance/Procedures

FCC unit started up after 2 weeks of planned maintenance. Relief valves opened to flare when weight gas compressor for FCCU malfunctioned. Two odor complaints received by LDEQ connected to this accident. Starting unit for the wet gas compressor on the FCCU malfunctioned. 2 Citizen Complaints included: 135203 and 135197

Discharge Preventable - No Information Given

No Information Given.

Notes/Remedial Actions

Report states that Title V permit limits were exceeded. A site visit was made on 11/15/2011. Unit started up after two weeks of maintenance. Unauthorized Discharge Notification Report received 11/22/11. Report states that the maximum hourly permit limit was exceeded for hexane but no reportable quantities were exceeded. they did not realize until the next morning that RQ was exceeded.