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Valero (26003), Norco

Releases in 2005

LDEQ Accident Number
Accident Date
Point Source/Release CauseNotes
77067

2009-02-18
Point Source(s):
Fluid catalytic cracker off gas pipeline

Pollutant(s):
Hydrocarbon - BRQ
Cause of Problem: Other

Originally thought to be Starting up unit after maintenance turn around. Follow up states that upon investigation discovered a leak on the fluid catalytic cracker off gas pipeline.
Courtesy notice
No LDEQ Number Available

2005-10-30
Point Source(s):
Acid sewer line

Pollutant(s):
Sulfuric Acid - BRQ
Cause of Problem: Piping or Tubing

Crack in the spent acid sewer line sent acid into soil.
The acid sewer has been removed from service. Need to test soil and groundwater and measure quanitity and disclose cause.
83352

2005-10-23
Point Source(s):
Flare 1 EIQ 15-77; Flare 2 EIQ 12-81

Pollutant(s):
Sulfur Dioxide - 8,000 pounds
Cause of Problem: Process Upset

The wet gas compressor tripped due to a high level in the suction drum.
Emissions were minimized by cutting crude rats and restarting the coker WGC.
83027

2005-10-12
Point Source(s):
Sulfuric Acid Alkylation Unit

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

No Information Given
Courtesy notice
82697

2005-10-01
Point Source(s):
Wet Gas Compressor

Pollutant(s):
Sulfur Dioxide - 3,008 pounds
Particulate Matter - 1 pounds
Hydrogen Sulfide - 8 pounds
Volatile Organic Compounds - 37 pounds
Carbon Monoxide - 98 pounds
Nitrogen Oxide - 18 pounds
Cause of Problem: Process Upset

Wet gas compressor tripped due to sudden loss of lube oil pressure. Gas processed by compressor was directed to flare.
Still under investigation - no procedures or preventative measures identified.
82120

2005-09-12
Point Source(s):
Flare 1 EIQ 15-77; Flare 2 EIQ 12-81

Pollutant(s):
Sulfur Dioxide - 3,641 pounds
Carbon Monoxide - 188 pounds
Nitrous Oxide - 24 pounds
Particulate Matter - 1 pounds
Volatile Organic Compounds - 40 pounds
Hydrogen Sulfide - 19,400 pounds
Cause of Problem: Other

Loss of power, control valves failed. Power interruption caused by 3rd party electricity provider. Battery back up system damaged when it received a power surge during restart of refinery after Hurricane Katrina.
reduced feed rates to our West Plant
No LDEQ Number Available

2005-08-08
Point Source(s):
Fuel Gas System Heater

Pollutant(s):
BRQ - BRQ
Cause of Problem: Other

Diesel backed up in the fuel gas system resulting in the Crude Heater emitting smoke.
Courtesy notice
80516

2005-07-14
Point Source(s):
T-150-8 pump

Pollutant(s):
Slurry Oil - 2,100 gallons
Cause of Problem: Piping or Tubing

A half inch section of pipe that connects the T-150-8 pump to a pressure gauge had broken off the pump while the pump was in service.
Oil entrained in the soil is being removed by excavation for discposal in a non-hazardous waste landfill. Investigation not complete. Promised to collect soil samples showing the cleanup levels achieved.
80318

2005-07-06
Point Source(s):
Flare 1 EIQ 15-77; Flare 2 EIQ 12-81

Pollutant(s):
Sulfur Dioxide - 0 pounds
Hydrogen Sulfide - 0
Cause of Problem: Weather

Power failure caused a shut down as a result of tropical storm Cindy.
78904

2005-05-07
Point Source(s):
Flare 1 EIQ 15-77; Flare 2 EIQ 12-81

Pollutant(s):
Sulfur Dioxide - 13,646 pounds
Carbon Monoxide - 1,910 pounds
Nitrous Oxide - 351 pounds
Particulate Matter - 11 pounds
Volatile Organic Compounds - 723 pounds
Cause of Problem: Equipment Failure

During startup of unit, one wet gas compressor failed to start as expected due to unanticipated electrical problems. Process gases normally routed through this compressor were diverted to the flare.
Compressor repaired as quickly as possible.Air filter clogged with debris. Inspection of air filter has been added to preventative maintenance schedule.
78673

2005-04-29
Point Source(s):
Pipe

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

A possible pipe failure involving crude spraying and spilling on the ground.
Courtesy Notification. No reportable quantity of crude oil lost. Incident report and letter from refinery included.
78487 ; 78475 ; 78488

2005-04-23
Point Source(s):
Flare 1 EIQ 15-77

Pollutant(s):
Sulfur Dioxide - 4,292 pounds
Carbon Monoxide - 588 pounds
Nitrous Oxide - 108 pounds
Particulate Matter - 3 pounds
Volatile Organic Compounds - 223 pounds
Cause of Problem: Equipment Failure

MSCCU wet gas compressors tripped due to problems with common lube oil system.
Reduced feed rate to MSCCU. Issue involves wet gas compressor as seen before. Follow up report sent on June 6, 2005 with remedies: redesign of the nitrogen regulator and replacement of the pressure controller on the lube oil system
78326

2005-04-16
Point Source(s):
Coker Unit

Pollutant(s):
BRQ - BRQ
Cause of Problem: Start Up, Shut Down

Shutting Down Coker unit for maintenance turnaround
None
78141

2005-04-10
Point Source(s):
Flare 1 EIQ 15-77

Pollutant(s):
Sulfur Dioxide - 11,033 pounds
Carbon Monoxide - 1,379 pounds
Nitrous Oxide - 253 pounds
Particulate Matter - 8 pounds
Volatile Organic Compounds (VOCs) - 522 pounds
Cause of Problem: Process Upset

Compressor tripped due to low lube oil differntial pressure on the 2nd stage of the compressor. Root cause investigation not complete at the time
Total pounds emitted from both flares. Remedial actions of reducing feed rate and reducing the reaction temperature so that the offgas to the flare can be reduced. No procedures or preventive measures identified at that time.
No LDEQ Number Available

2005-03-29
Point Source(s):
Reactor drums

Pollutant(s):
Asbestos - BRQ
Cause of Problem: Maintenance/Procedures

During demolition project involving five reactor drums purchased by the previous owner of Valero Refinery, a previous enclosed layer of asbestos containing insulation material revealed.
Valero's response to OSHA complaint alleging hazards - asbestos release into air exposing employees. Demolition ceased and abatement scheduled according to regulations.
No LDEQ Number Available

2005-03-13
Point Source(s):
No Information Given

Pollutant(s):
Oil and Coke Dust - BRQ
Cause of Problem: No Information Given

No Information Given
verbal report complaint from resident that Valero keeps spraying oil and coke dust into the air and it gets on his car.
76658

2005-02-01
Point Source(s):
None Reported
Pollutant(s):
Cause of Problem: Weather

Due to Heavy rains and rising pond levels, wastewater effluent had to be discharged to the Lake Ponchatrain Basin
Data file did not include Incident Report signed by Valero. Hence no Incident Report #.
76465

2005-01-26
Point Source(s):
No Information Given
Shutting Down part of refinery

Pollutant(s):
Elemental Sulfur - BRQ
Hydrogen Sulfide - BRQ
BRQ - BRQ
Cause of Problem: Start Up, Shut Down

Shutting Down part of refinery
Courtesy notice
76674

2005-01-26
Point Source(s):
West Plant

Pollutant(s):
BRQ - BRQ
Cause of Problem: Equipment Failure

Lost a charge pump on West side of plant
Courtesy notice
76469

2005-01-25
Point Source(s):
Heater 1501 B

Pollutant(s):
Sulfur Dioxide - BRQ
Volatile Organic Compounds - BRQ
Cause of Problem: Piping or Tubing

Tube leak at heater H-1501-B
Courtesy notice. Shutting down unit.
76407

2005-01-24
Point Source(s):
Coker wet gas compressor

Pollutant(s):
Sulfur Dioxide - 23,000 pounds
Cause of Problem: Instrument Failure

The WGC tripped several times due to a high level indication in the interstage drum. This indication was a fase reading due to an accumulation of debris in the level chamber of the radar detector.
Will place the level chamber on a cleaning schedule to facilitate the removal of debris no later than April 15, 2005.
76182

2005-01-13
Point Source(s):
No Information Given

Pollutant(s):
Sulfur Dioxide - 12,800 pounds
Carbon Monoxide - BRQ
Volatile Organic Compounds - BRQ
Nitrous Oxide - BRQ
Cause of Problem: Other

Loss of steam caused by a lack of water from the boiler water feed pumps. Pump suctions were plugged. Yarway valves were worn and were by passing more water to the pump suction drum than expected. Both resulting in low water flow to the boilers.
NO original incident report in this file. Instituted additional procedures to require personnel to measure pump suction pressure during routine rounds to determine whether or not the pump suction is plugged. Added procedures to monitor the discharge pressure of the Yarway valves to ensure proper operation. INstalled an alarm ont he control valve to indicate for low water discharge. conditions. There was
76115

2005-01-12
Point Source(s):
Coker Amine Unit

Pollutant(s):
BRQ - BRQ
Cause of Problem: Process Upset

High Hydrogen Sulfide in refinery fuel due to a coker amine contactor upset
The upset was successfully corrected in a controlled manner
76116

2005-01-11
Point Source(s):
T-150-5 transfer pump

Pollutant(s):
Vacuum Bottoms, Gas Oil, 6 Oil - 210 gallons
Cause of Problem: Instrument Failure

Pressure gauge on T-150-5 transfer pump broke off allowing oil to spill from the tank
No original incident report.Pump was shut down and blocked in. Vacuum trucks were dispatched to recover free soil, the tank was cleaned of any oil clinging to the side, and crews began excavating any contaminated soil.