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Marathon Ashland Petroleum (3165), Garyville

Releases of Olefins

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
85091

2006-01-11		The North Flare (EIQ No. 83-74/EQT 162)

Cause: The uninterpretable power supply failed, causing a shutdown of the FCC unit.

Followup: No

Notes: 		78.7 pounds
99754

2007-09-26		South Flare
Cause: Shell off gas compressors had to shutdown and gas was put into the fuel gas system. Fuel gas system overpressured and relieved to flare.

Followup: No

Notes: Claims emission was below RQ.		2.0 pounds
98913

2007-08-24		North Flare; weep holes on the HF Acid Shelter relief valve and the Main Fractionator Bottom relief valve
Cause: Unit 27 substation failed and shut down HF Alkylation, Butamer and Amine Treating. Failure of the bellows in Unit 27 Main Fractionator Bottoms relief valve

Followup: No

Notes: Claims emission was below RQ.		19.1 pounds
98913A

2007-08-24		North Flare; weep holes on the HF Acid Shelter relief valve and the Main Fractionator Bottom relief valve
Cause: Unit 27 substation failed and shut down HF Alkylation, Butamer and Amine Treating. Failure of the bellows in Unit 27 Main Fractionator Bottoms relief valve

Followup: No

Notes: Claims emission was below RQ.		19.1 pounds