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Marathon Ashland Petroleum (3165), Garyville

Releases in 2008

LDEQ Accident Number
Accident Date
Point Source/Release CauseNotes
110989

2008-11-22
Point Source(s):
Hot Separator Overhead Fin Fan

Pollutant(s):
Hydrogen Sulfide - 29 pounds
Cause of Problem: No Information Given

Pin-hole leak in Unit 15's hot separator overhead fin fan.
Fin fan blocked in and leak repaired.
110736

2008-11-10
Point Source(s):
Diesel Pump in Unit 56 Diesel Hydrotreater

Pollutant(s):
Diesel Fuel - 1 gallons
Cause of Problem: Maintenance/Procedures

Strainer removed from pump results in high temperature diesel release by a motor operated valve. Caused a small flash fire.
Steam hose placed on fire to extinguish it immediately.
110717

2008-11-08
Point Source(s):
3/4" bleeder valve on the 56-1301 Exchangers in Unit 56 Hydrotreater

Pollutant(s):
Hydrocarbon - 0
Cause of Problem: Human Factors

A bleeder valve was left open and Light Cycle Oil was released.
Open bleeder valve blocked in and clean up begun immediately.
110470

2008-10-30
Point Source(s):
20 inch Ballast Water line from Dock 2

Pollutant(s):
Oil - 97 gallons
Cause of Problem: Corrosion

20 inch ballast water line underneath main deck platform was leaking from a hole.
Block valves to the line were closed. Absorbent boom deployed. Air Monitoring Team dispatched to monitor the levee for hydrocarbons.
110398

2008-10-27
Point Source(s):
Refrigerated Butane Storage Tank 250-2 (EIQ 2-88/ EQT 46)

Pollutant(s):
Volatile Organic Compounds - 963 pounds
Cause of Problem: No Information Given

During the annual emission monitoring of the RBS tank relief valve it was observed that the valve was intermittently releasing to the atmosphere.
Operations and maintenance personnel started checking the regulators to determine why the relief valve was opening.
110200

2008-10-18
Point Source(s):
Unit 22, Saturates Gas Plant

Pollutant(s):
No Information Given - BRQ
Cause of Problem: Equipment Failure

Electrical fuse blew causing Unit 22 to trip offline.
According to report, no unauthorized discharge occurred. No data for amt of pollutants released. No remedial action planned at time of report.
108823

2008-09-10
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Volatile Organic Compounds (VOCs) - 79 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs) - 0 pounds
Nitrogen - 13 pounds
Cause of Problem: No Information Given

Hatch on the bank of an Enterprise Propane Tanker was leaking.
Majority of the product from the leaking tanker was transferred to another tanker
108606

2008-08-30
Point Source(s):
No Information Given

Pollutant(s):
No Information Given - 0
Cause of Problem: Start Up, Shut Down

Shutting down plant, possible releases
DEQ report and verbal notification sans corresponding letter from Marathon. Verbal report only.
108131

2008-08-18
Point Source(s):
Fuel gas line

Pollutant(s):
Flammable Gas - 15 pounds
Cause of Problem: Piping or Tubing

Leaking fuel gas line near boiler.
DEQ report and verbal report indicate that it is a courtesy notification. Boiler was shut down and piping replaced.
108044

2008-08-14
Point Source(s):
Piperack at Unit 14

Pollutant(s):
Volatile Organic Compounds - 22 pounds
Cause of Problem: Piping or Tubing

Inlet flange on a relief valve leaked to the atmosphere.
A relief valve was blocked to isolate leak
107688

2008-08-01
Point Source(s):
)
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Highly Reactive Volatile Organic Compounds (HRVOCs) - 33 pounds
Volatile Organic Compounds (VOCs) - 80 pounds
Sulfur Dioxide - 0 pounds
Nitrogen - 746 pounds
- 0
Cause of Problem: Equipment Failure

FCCU shutdown due to an unknown failure in the unit's Wet Gas Compressor.
Motor associated with the WGC was replaced.
107208

2008-07-15
Point Source(s):
FCCU Tubing

Pollutant(s):
Highly Reactive Volatile Organic Compounds (HRVOCs) - 1,440 pounds
Volatile Organic Compounds (VOCs) - 4,200 pounds
Benzene - 0
Hydrogen Sulfide - 0
Sulfur Dioxide - 0
Nitrogen - 0
Compressed Flammable Gas - 4,200 pounds
Cause of Problem: Piping or Tubing

Tubing from a flow orifice plate broke off and released LPG.
Unit start-up was aborted, all fired sources were extinguished and a fire monitor was opened.
107159

2008-07-13
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Sulfur Dioxide - BRQ
Volatile Organic Compounds - BRQ
Cause of Problem: Equipment Failure

Wiring issue in Wet Gas Compressor causes FCCU shutdown.
Report states that shutdown is permitted twice annually, so all emission are permitted. No info on which pollutants were released or the amounts.
106589

2008-06-19
Point Source(s):
Product Barge at Dock 3

Pollutant(s):
Asphalt - 210 gallons
Cause of Problem: Human Factors

Product barge was overfilled with asphalt allowing some of it to spill into the river.
Asphalt that was spilled into the river "sank immediately" but the refinery claims that here was no offsite impact. Loading operations ceased when overfilling occurred. Incident under investigation.
106461

2008-06-16
Point Source(s):
Asphalt Tank 20-1 (EQT086; EIQ 26-74)

Pollutant(s):
Asphalt - 210 gallons
Cause of Problem: No Information Given

Asphalt Tank developed a small leak.
Asphalt in tank 20-1 was pumped over to Tank 20-2
105748

2008-05-20
Point Source(s):
Unit 63 piperack Hydrogen line

Pollutant(s):
Hydrogen - 16 pounds
Volatile Organic Compounds - 21 pounds
Cause of Problem: Piping or Tubing

A pinhole leak was discovered in the H2 piping in the Unit 63 pipeway near Unit 19.
Blocked in line and depressurized to atmosphere.
105380

2008-05-05
Point Source(s):
South Flare (EQT 160 / EIQ 69-74)

Pollutant(s):
Highly Reactive Volatile Organic Compounds (HRVOCs) - 1 pounds
Propane - 167 pounds
Ethane - 1 pounds
Nitrogen - 34 pounds
Carbon Monoxide - 186 pounds
Cause of Problem: Piping or Tubing

Pinhole leak discovered in overhead propane line in Unit 22. Line was depressurized to flare.
Blocked in line and depressured to South Flare. Incident under investigation.
105287

2008-05-01
Point Source(s):
Delayed Coker Unit Heavy Slop Oil Line

Pollutant(s):
Slop Oil - 30 gallons
Cause of Problem: Piping or Tubing

An HSO leak and small fire occurred.
Small fire immediately put out. Air Monitoring Team dispatched to monitor the fence line. Operational moves were made to minimize the leak and block the line for maintenance
105094

2008-04-23
Point Source(s):
Rubber gasket on the inlet line to the Clow Unit on Dock 3

Pollutant(s):
Wastewater - 2 gallons
Cause of Problem: Seal or Gasket

Failure of rubber gasket on the inlet line to the Clow Unit on Dock 3.
"Do not use/operate" sign put on toilet at Dock 3. An emergency work order was written to replace the rubber gasket. A scaffold is being built to reach the pipe for the gasket replacement.
104869

2008-04-18
Point Source(s):
Flange on Asphaltene Pumparound Exchanger, 07-1312

Pollutant(s):
Volatile Organic Compounds - 172 pounds
Cause of Problem: Piping or Tubing

Change in temperature following flushing caused metal to contract and flange to leak. Small fire started.
Small fire immediately put out. Air Monitoring Team dispatched to monitor the fence line. Maintenance called out to build a scaffold in order to hot bolt the exchanger. Steam lances put on the flanges to heat the metal and seal the leak.
No LDEQ Number Available

2008-04-09
Point Source(s):
Knockout pot discharge pump of Dock 2

Pollutant(s):
Light Hydrocarbons - 5 gallons
Cause of Problem: No Information Given

Knockout pot discharge pump blew a pressure gauge resulting in release of 5 gal to levee grass
Grass removed with a weed eater and fresh sod placed over area. Other actions pending investigation.
104037

2008-03-19
Point Source(s):
Unit 27 Slop Oil Line

Pollutant(s):
Slop Oil - BRQ
Cause of Problem: Piping or Tubing

A slop oil line developed a leak.
Vacuum trucks brought in to extract as much slop oil from the ground as possible. All remaining stained soil was placed in a drum for disposal. Booms were placed in the ditch to contain the spill, which was then vacuumed. Any remaining slop oil was absorbed by the booms.
104020

2008-03-18
Point Source(s):
Alky Cooling Tower (EIQ 61-74; EQT 0043)

Pollutant(s):
No Information Given - 0
Cause of Problem: Piping or Tubing

A pinhole leak occurred in the acid cooler exchanger tube which was promptly isolated.
Caustic soda ash and sodium bicarbonate was applied to the cooling tower to neutralize the acid and adjust the pH.
103973

2008-03-14
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
- 120 pounds
- 21 pounds
- 47 pounds
Cause of Problem: Maintenance/Procedures

Shell off-gas compressors had to be shut down for emergency maintenance resulting in a buildup of sweet refinery fuel gas which had to be flared.
Marathon also flared non-olefinic fuel gas to minimize flaring.
103950

2008-03-14
Point Source(s):
)
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Sulfur Dioxide - 2,206 pounds
- 0
Cause of Problem: Piping or Tubing

A drain valve plugged causing the Fractionator in the Coker Unit to overpressure. This caused the Unit's compressor suction drum to relieve to the North Flare
Operations manually closed the first-stage spillback on the compressor which limited the flaring event.
103887

2008-03-12
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Volatile Organic Compounds (VOCs) - 32 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs) - 5 pounds
Nitrogen Oxide - 12 pounds
Cause of Problem: Start Up, Shut Down

During start up of the FCC Unit, excess fuel gas was produced and a small amount had to be flared from the Unit 43 Fuel Gas Mix Drum.
Marathon also flared non-olefinic fuel gas to minimize flaring.
103090

2008-02-15
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Sulfur Dioxide - 1,739 pounds
Hydrogen Sulfide - BRQ
Highly Reactive Volatile Organic Compounds (HRVOCs) - 71 pounds
Nitrogen Oxide - 303 pounds
Carbon Monoxide - 1,649 pounds
Benzene - 0 pounds
Volatile Organic Compounds (VOCs) - 488 pounds
Cause of Problem: Power Failure

A partial refinery-wide power failure occurred. This caused several units to shutdown and relieve to flare. A small exchanger fire also occurred.
Once maintenance personnel secured the power supply, Operations began bringing units back on line. Follow up report with same DEQ incident number lists different emission amounts.
102655

2008-01-28
Point Source(s):
North Flare (EQT162 / EIQ 83-70)

Pollutant(s):
Sulfur Dioxide - 40,782 pounds
Hydrogen Sulfide - 109 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs) - 116 pounds
Nitrogen Oxide - BRQ
Carbon Monoxide - 771 pounds
Cause of Problem: Start Up, Shut Down

Coker Unit's Wet Gas Compressor shut down due to high level in the suction drum
Pending results of investigation
102284

2008-01-15
Point Source(s):
7 h 22 m
Unit 46 - Deethanizer Reboiler
Unit 59 - North Flare
Unit 66 - RBS Flare

Pollutant(s):
Highly Reactive Volatile Organic Compounds (HRVOCs) - 28 pounds
Volatile Organic Compounds (VOCs) - 52 pounds
Carbon Monoxide - 6 pounds
Nitrogen Oxide - 16 pounds
Cause of Problem: Equipment Failure

Shell's off gas compressor tripped causing the fuel gas pressure to increase and relieve to flare
FCCU Reactor Temperature was cut back to reduce off-gas production