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LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
81597 2005-08-23 | B-12 FLARE | Cause: Outage of JC-1B recycle Hydrogen Compressor at Unicracker Unit. Followup: No Notes: Claims emission was below RQ | |
80604 2005-07-25 | B-12 Flare | Cause: flaring of excess hydrogen during outage of JC-1B recycl Hydrogen Compressor at Unicracker Unit Followup: No Notes: Claims emission was below RQ. Shut unit down and repaired compressor | |
80676 2005-07-22 | Coker Unit #1 | Cause: Coker Unit caught fire when resideual product was being put into the drum Followup: No Notes: Claims emission was below RQ. The level detectos on the coker drums detected small amount of radiation. Flexible hose rupture on F-201A coke drum silicon injection system. | Sulfur Dioxide: 10,951.0 pounds Hydrogen Sulfide: 112.0 pounds |
76700 2005-02-03 | B-12 Flare | Cause: valve packing failure in the high pressure reactor section of the Unicracker Unit during start up of planned shutdown Followup: No Notes: 2006 Inspection report from DEQ - locking nuts used to hold the valve in place were not suitable for service and were replaced | Sulfur Dioxide: 2,187.0 pounds |
76431 2005-01-25 | B-7 Flare | Cause: unexpected shutdown of JC-2D Wet Gas Compressor at the A Fluid Catalytic Cracking Unit Followup: No Notes: Claims emission was below RQ | |
76257 2005-01-19 | B-7 Flare | Cause: unexpected shutdown of JC-2D Wet Gas Compressor at the A Fluid Catalytic Cracking Unit Followup: No Notes: Claims emission was below RQ | |
76256 2005-01-15 | B-7 Flare | Cause: flaring of Topper Tail Gas from an eunexpected shutdown of the JC-36 Compressor at the B Topper Unit Followup: No Notes: Claims emission was below RQ | |
91874 2006-11-05 | Flare - unplanned shutdowns of 3 catalytic cracking units, 2 reformers, 2 hydrotreaters and a fractionation unit, 4 satellite amine contactors | Cause: occurred in the power feeder cable due to upstream electrical equipment malfunction/substation malfunction Followup: Yes Notes: Sulfur Dioxide reported emissions is 34,339 ABOVE PERMITTED LIMIT which is not stated. Claims other emissions are below RQ. Formal Root Cause analysis to be done within 45 days of incide | Sulfur Dioxide: 34,339.0 pounds |
91796 2006-11-01 | B-11 Flare | Cause: a malfunction in repair activities caused a momentary voltage dip which resulted in a fail-safe protection shutting down the process units and Coker 1 Followup: No Notes: Units were shut down | Hydrogen Sulfide: 868.0 pounds |
No LDEQ Reported 2006-03-03 | A Topper Unit B-4 Heater | Cause: the starter breaker had a bad trip unit at the electrical substation which resulted in the furnace fan tripping which resulted in the heater smoking. Followup: No Information Provided Notes: To alleviate the smoking, rates to the furnace were reduced. BRQ according to follow up repor | |
84957 2006-01-04 | FLARE - B 12 Flare and Furnace Flange fire at the Unicracker Unit | Cause: caused the shut down of the Unicracker Unit and during restart there were emissions Followup: No Notes: Since the reactor section of the Unicracker Unit was shutdown as the result of this incident, will use same case number in any notifications regarding reportable emissions from the restart of the Unicracker Unit. CITGO is evaluating a project to route the non-condensable gas to a compressor on anoher unit for recovery and treatment. If the project is approved,it will be installed at the Unit's next scheduled turnaround. | Sulfur Dioxide: 3,881.0 pounds |
101552 2007-12-07 | B-11 Flare | Cause: pilot outage at B-11 Flare Followup: No Notes: no reason for pilot outage given in report. | |
101498 2007-12-06 | B-11 Flare | Cause: pilot outage at B-11 Flare Followup: No Notes: no reason for pilot outage given in report. | |
101410 2007-12-02 | PFU Flare CB701 | Cause: pilot outage at PFU Flare Followup: No Notes: no reason for pilot outage given in report. | |
101225 2007-11-23 | B-12 Flare | Cause: loss of JC1A Compressor at unicracker unit Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
101209 2007-11-21 | B-11 Flare | Cause: pilot outage on B-11 Flare Followup: Yes Notes: no reason for pilot outage given in report. | |
100602 2007-10-29 | Cooling Towers 5 and 6 | Cause: see notes Followup: No Notes: Release results from hydrocarbon leak in the c-14 steam preheater at the Straight Run Fractionation Unit | |
100153 2007-10-12 | Tank 503 | Cause: leaking relief valve on Tank 503 Followup: No Notes: Valve will be repaired and put back in service | |
99690 2007-09-23 | PFU Flare (EQT 354) | Cause: pilot outage associated with the PFU Flare Followup: No Notes: CITGO states that emission was was below the reportable quantity of 1000 lbs | |
97781 2007-07-11 | Alkylation Unit | Cause: Followup: No Notes: A bleeder valve break at the Alkylation Unit caused emission. | |
95917 2007-05-06 | 6 inch transfer line in A-dock | Cause: Followup: No Notes: Butane released from a 6 inch unloading line. Remedial action: Identified the line and the line has been depressured; the State Police Incident No. on the CITGO letter is 07-02315; the State Police Incident No. on the verbal report is 07-02316 | |
95932 2007-05-05 | JC-2 Recycle Compressor | Cause: unexpected trip of the JC-2 Recycle Compressor caused the shutdown of the Unicracker Unit Followup: Yes Notes: Since Unicracker unit was shut down as result of this incident, CITGO will keep case no. open until unit is returned to servic | |
95930 2007-05-05 | B-11 Flare (EIQ No. 3(XXII)4) and (ID No. EQT 350) | Cause: pilot outages of B11 Flare - malfunctioning pressure regulator on nat. gas to pilots Followup: No Notes: Emissions exceeded RQ of 100 lbs. operator checks on gas line pressure downstream; development of a routine schedule for maintenance checks on the regulator; instrument group has repaired pressure regulator that malfunctioned. | Hydrogen Sulfide: 1,451.0 pounds |
95616 2007-04-24 | None Reported | Cause: temporary loss of instrument air to a steam control valve caused B-5 flare to smoke Followup: No Notes: | |
94446 2007-03-08 | EIV valve J-36 Topper Tail Gas compressor | Cause: leaking emergency isolation valve on the J36 Topper Tail gasket Followup: No Notes: | |
94384 2007-03-05 | B-601 Furnace at the Sulfuric Acid Plant | Cause: Plugged burner tip at B-601 Furnace Followup: No Notes: | |
93268 2007-01-14 | Tank 88 3(IX)50-88 | Cause: Leak from tank 88 Followup: No Notes: Citgo is studying cause of tank leak. Repairs to tank will be made before the tank is back in service. NOTE: VERY LARGE Oil SPILL, See incident 07-0217 for a related incident with same tank - is the sheen on the Indian marais a result of this spil | Naphthenic Crude: 11,592.0 gallons |
111528 2008-12-18 | B-7 Flare | Cause: lifting of a pressure relief valve (PSV-235) in the C-4 Recovery Unit Followup: No Notes: COMMON INCIDENT - see also 08-07182 | |
111207 2008-12-03 | PFU Flare | Cause: pilot outage Followup: No Notes: No reason given for pilot outage | |
110604 2008-11-05 | PFU Flare | Cause: pilot outage Followup: No Notes: No reason given for pilot outage | |
T110579 2008-11-05 | Tank #35 | Cause: Mechanical failure of a line clamp inside Tank #35 dike wall. Followup: Yes Notes: The line was deactivated. Response personnel were called to remediate the spill. The line clamp was repaired. | Vacuum Gas Oil: 63.0 pounds |
No LDEQ Reported 2008-11-05 | B-7 Flare | Cause: see notes Followup: No Notes: incident cause was the lifting of a relief valve on the C-4 Recovery Unit E1 tower. | |
110579 2008-11-05 | Tank 35 at CLAW Facility | Cause: mechanical failure of a line clamp Followup: No Notes: Verbal report and DEQ report state that approx 5 barrels spilled; CITGO letter states it was 1.5. Line clamp was repaired | Vacuum Gas Oil: 210.0 gallons |
108062 2008-08-14 | B-Cat Unit | Cause: see notes Followup: No Notes: Flaring results from leaking relief valve | |
106340 2008-06-11 | K-18 Storage Area | Cause: vacuum box leak Followup: No Notes: Binders and gaskets on vacuum boxes were repaired | Gasoline: 126.0 gallons |
106260 2008-06-07 | B-5 Flare | Cause: Followup: No Notes: Valve leak in ALCOH Unit | |
105620 2008-05-15 | C-Dock | Cause: malfunction of a bushing on the transformer junction box Followup: No Notes: Transformer taken out of service and repaired. According to CITGO rep, this leak occurred after heavy ra | |
105377 2008-05-05 | C-Dock, 004 Outfall | Cause: see notes Followup: No Notes: Sheen observed near C-Dock; investigaton indicates oil comes from within powerhouse from a dripping air compressor vent; vent being repaired and alternate surface drainage options are under investigation | Lubricating Oil: 1.0 pounds |
104813 2008-04-17 | Truck | Cause: rear gate came open on trailer Followup: No Notes: Spilled coke on Hwy 108: 100 ft long and 1 thick spill. R&R Construction was contracted to clean up the spi | see notes |
103367 2008-02-23 | Treating Plant F-55 | Cause: F-55 Salt Dryer pump malfunctioned during startup Followup: No Notes: F-55 pump was immediately shut down. Pump will be repaired. Spill was removed from Bender Kerosene Treating Unit. DEQ report indicates that release may have been 30 barrels, not 8 barrel | Kerosene: 2,213.0 pounds |
103287 2008-02-21 | B-12 Flare | Cause: loss of JP3 Feed Pump Motor at the Unicracker Unit Followup: No Notes: CITGO letter states that the emissions were BRQ | |
103196 2008-02-19 | Light cycle oil hydro treater | Cause: see notes Followup: No Notes: Leaking relief valve causes release | |
102797 2008-02-04 | PFU Flare CB701 | Cause: pilot outage Followup: No Notes: At the time of the pilot outage - there was no process flow to the PFU Flare. The flow to the flare consisted of natural gas and sweep gas. | |
102693 2008-01-29 | C20 Condensate Effluent Exchanger at the Alkyation Unit | Cause: leak from C20 Condensate Effluent Exchanger Followup: No Notes: On 1/18/08 a bypass line to a ditch was installed and the C20 exchanger was removed from service | |
102690 2008-01-29 | C-401 Steam Generator at the Coker II Unit | Cause: leak from the C-401 Steam Generator Followup: No Notes: Steps were taken to install new bypasas piping and the steam generator was removed from service on 2/2/08 | |
102040 2008-01-01 | B-7 Flare | Cause: trip of the JC-101 compressor at the C4 Recovery Unit Followup: No Notes: CITGO letter states that the emissions were BRQ | |
118959 2009-10-23 | Tail gas II unit | Cause: The Tail Gas II unit stripper tower began to pressure up due to flow restrictions in the overhead gas. The flow restriction diminished the ability of the stripper tower to remove RSC compounds from the amine solution and thus diminished the capacity of the amine solution to adsorb RSC compounds in the absorber tower. This resulted in elevated RSC levels in the atmospheric vent gas. Followup: No Notes: A hot condensate wash was conducted to dissolve salts in the stripper overhead system. | Hydrogen Sulfide: 439.0 pounds |
118224 2009-09-26 | A boat | Cause: As a boat was refueling at the boat dock, a cable holding the boat in place failed, and a small amount of gasoline spilled. Followup: No Notes: fueling was stopped, boom was deployed around the dock. | |
117168 2009-08-08 | PFU flare | Cause: Pilot flame outage at the PFU flare. No RQs were exceeded so no further information is given. Followup: No Notes: No information given. | |
115679 2009-05-04 | B-8 flare | Cause: BLCOH unit compressor pressure relief valve lifted releasing hydrogen sulfide, nitrogen oxide and sulfur dioxide into the B-8 flare Followup: No Notes: gases burned in flare and release "secured" | |
114679 2009-05-04 | B-8 flare | Cause: BLCOH unit compressor pressure relief valve lifted releasing hydrogen sulfide, nitrogen oxide and sulfur dioxide into the B-8 flare Followup: No Notes: gases burned in flare and release "secured" | |
113969 2009-04-05 | B-5 | Cause: B-5 flare Followup: Notes: no information given | |
113625 2009-03-24 | B-5 unit | Cause: B-5 flare pilot outage. Followup: No Notes: no info given | |
128156 2010-12-14 | C4 E12 tower - flare | Cause: C4 unit, E12 depropanizer over-pressurized, and gas was sent to flare. Followup: No Notes: No information given | |
128117 2010-12-13 | tank 526 | Cause: Venting of tank 526 from a pressure safety valve.
"Operator was making his rounds and saw a relief valve leaking on Tank 526..." Followup: No Notes: "Valve blocked in and everything was secured." | |
127831 2010-11-24 | C414 heat exchanger | Cause: Pinhole leak on B-reformer in product cooler in heat exchanger. Followup: Yes Notes: no information given | |
125480 2010-08-09 | isom unit | Cause: Flange leak in the Isomerization unit--no further details
no DEQ report in this file Followup: No Notes: "Citgo personnel are making repairs", no specifics given. | |
125060 2010-07-22 | FLARE; J-36 compressor | Cause: LDEQ report states that "A J-36 compressor tripped at the refinery and caused the flaring of tail gas consisting of H2S, flammable gases, and VOCs for app an hour and a half." FLARE. Followup: No Notes: BRQ. Refinery letter states that no reportable quantities were exceeded. There was perimeter monitoring but no readings were indicated. | |
124963 2010-07-18 | No Information Given | Cause: LDEQ report states, "a vacuum truck was left overnight with a load of caustic alkali liquid and developed a leak from a valve on the truck." Followup: No Notes: BRQ. Refinery letter states that no reportable quantities were exceeded. A second truck was used to vacuum the caustic alkali liquid up and it was disposed of. Leaked between 10-15 bbls of the liquid. | Alkylate: 525.0 gallons |
124948 2010-07-17 | No Information Given | Cause: B12 flare pilot light went out. Followup: No Notes: Re-lit pilot light. Initial Verbal DEQ and SPOC reports note hydrogen sulfide as chemical involved in release, but follow-up notes and refinery letter state that no release had been detected. | |
No LDEQ Reported 2010-07-08 | No Information Given | Cause: Electrical fire in coker II unit--no further details given, refinery letter only in this file. Followup: No Notes: No information given "The fire was electrical in nature and did not pose a threat to public safety..." | |
123898 2010-06-02 | B-12 flare | Cause: G8 filter over-pressurized while being warmed and went to B12 flare. Followup: No Notes: no information given | |
123765 2010-05-26 | B7 flare | Cause: Leaking relief valve from the B Catcracker Unit caused additional material to go to flare. Followup: No Notes: no information given | |
123702 2010-05-23 | B12 flare | Cause: Lost a compressor in process unit, chemicals released to flare--no details. Followup: No Notes: Spare compressor was put on | |
123188 2010-05-02 | B12 flare | Cause: The JC 1C Compressor over-pressurized causing relief valve to open to B-12 flare. Followup: No Notes: No information given | |
122264 2010-03-21 | B6 flare | Cause: JC-36 compressor shut down, caused line to overpressurize and release to flare. Followup: No Notes: No information given. SPOC and refinery letter only. No LDEQ report. | |
121871 2010-03-03 | B-12 flare | Cause: Pilot flame went out at Unicracker resulting in release of natural gas from B-12 flare.
SPOC report lists source as B-11 flare, while refinery letter lists source as B-12 flare. Followup: No Notes: No info given | |
No LDEQ Reported 2010-01-12 | No information given | Cause: "...release of Benzene associated with a flange leak in the oil movement area" Below reportable quantities Followup: No Notes: BRQ. Below Reportable quantities. No LDEQ report or number listed. Refinery Letter only. | |
120695 2010-01-10 | Fire fighting equipment | Cause: Two hundred gallons of fire fighting foam, ATC-603 Lightwater ATC3 AR-AFFF 3%, were released at the Citgo docks due to a malfunction of the fire fighting suppression system. The foam was entered the city drains which lead into Bayou D' Inde. Followup: No Notes: The material was non-hazardous and the call from Citgo was made as a courtesy. A written letter of notification is not expected. | |
135517 2011-11-23 | Acid Plant Unit | Cause: A leak was located in the acid plant unit. Followup: No Notes: The unit was shut down immediately upon discovery of the leak and the leaking section of the line was repaired. | Sulfur Dioxide: 1,948.0 pounds |
135140 2011-11-06 | Sodium Hypochlorite tank for Tower four at A-Reformer | Cause: A 3/4 inch nipple broke off a tank and the secondary containment wall was cracked allowing material from a sodium hypochlorite tank for cooling Tower Four at A-Reformer to escape to the ground. Followup: No Notes: No Information Given regarding above/below reportable quantity. A temporary containment was installed until the secondary concrete containment is repaired. Contaminated soils were excavated and manifested offsite for disposal. | Sodium Hypochlorite: 4,448.0 pounds |
134192 2011-09-27 | Tank 37 | Cause: A top suction valve at pumping tank 37 was cracked open allowing slop oil to move to the ground. Followup: No Notes: BRQ. Vacuum trucks were on the scene following the initial release. | |
No LDEQ Reported 2011-03-22 | Leaking flange; LCMC D-Dock | Cause: Leaking flange released a mixture of water and petroleum product in a misting spray during pipeline activation. Mist reached the water near D-Dock. OFFSITE IMPACT: Calcasieu River sheen. Followup: No Notes: BRQ. The flange was inspected and repaired. The facility incident report is the only document available. | |
129836 2011-03-13 | FLARE: JC101 Compressor to B7 Flare | Cause: FLARE. State police report states that C-4 recovery unit JC101 compressor tripped and vented to the B7 Flare. Chemicals burned out in the flare. Followup: No Notes: BRQ. Refinery letter states that a "review of operating data showed that no reportable quantities were exceeded." Refinery letter and SPOC report only. No LDEQ report. | |
129054 2011-02-07 | FLARE: B-12 Flare | Cause: Refinery letter states that the B-12 Flare pilot flame went out. Gas was routed to a flare gas recovery system, so no gas was combusted during the incident. Followup: No Notes: BRQ. Gas was routed to a flare gas recovery system. Pilot flame was re-lit. Refinery letter and SPOC report only. No LDEQ report. | |
129038 2011-02-04 | FLARE: B-4 Flare | Cause: State police report states that the pilot flame of the of the B-4 Flare went out. Propane was emitted. Followup: No Notes: BRQ. The pilot flame was re-lit. Refinery letter and SPOC report only. No LDEQ report. | |
129028 2011-02-04 | FLARE: B-12 Flare | Cause: FLARE. Refinery letter states that pilot flames were lost from the B-12 flare. Followup: No Notes: BRQ. Pilot light was reignited. No material went offsite. | |
128986 2011-02-02 | FLARE: F-27 Knockout Drum Pressure Safety Valve | Cause: FLARE. State police report states that hydrogen sulfide was released from an F-27 knockout drum pressure safety valve. Followup: No Notes: BRQ. Refinery letter states that "a review of operating data during the event show that no RQ were exceeded." No Information Given regarding remedial actions. Refinery letter and SPOC report only. No LDEQ report. | |
128759 2011-01-21 | FLARE: Unit E-2 Depropanizer & B6 Flare | Cause: Flaring occurred due to a pressure safety valve release from the Straight Run Fractionation Unit E2 depropanizer tower. Hydrogen sulfide was released at levels below the RQ's. Followup: No Notes: BRQ. Flare lasted for four minutes before returning to normal. | |
141912 2012-08-07 | NA | Cause: During transfer operations, crude oil was released to the ground. The release was due to the mechanical failure of the crude oil transfer pump. Followup: No Notes: The transfer operations were shutdown. The soil remediation by vacuum truck and excavation began. The repairs to the crude oil transfer pump have been completed. 3.6 barrels was listed and converted to 151.2 gallons. Accident listed as "NA," but oil released did exceed reportable quantity. | Crude Oil: 151.2 gallons |
144156 2012-08-07 | B-11 Flare | Cause: The Coker II unit gas compressor (JC-201) shutdown. Shutdown resulted in unit gas relieving to the B-11 flare. Specific cause of shutdown was under investigation until September 21, 2012. Followup: No Notes: Half of Coker II unit was shut down and unit feed rate reduced to minimum rate (feed rate reduced by two thirds). In addition, immediate repair was begun on the JC-201 compressor. Compressor JC-201 was repaired and compressor was restarted. Investigation team was assembled to conduct a root cause investigation of shutdown. Release calculations indicate that reportable quantities of sulfur dioxide and hydrogen sulfide were exceeded during this flaring event. | Sulfur Dioxide: 23,714.0 pounds Hydrogen Sulfide: 258.0 pounds |
139848 2012-05-21 | Acid Plant | Cause: While neutralizing a tank located in the acid plant, residual nitrosylfuric acid reacted with water and caustic, releasing nitrogen oxides into the ambient air. Nitrosylfuric acid is formed as a result of combustion in the sulfuric acid furnaces and accumulates inside equipment and lines. Followup: Yes Notes: The refinery continued to dilute the contents of the tank with water until the reactions stopped. The water knocked down the gases and kept them in the tank. Material left site (NRC report) | |
152225 2013-11-07 | Furnace Tube | Cause: A fire occurred on the A-Reformer combination furnace during startup. Preliminary indication is that a furnace tube, located in the convective section, developed a leak which resulted in a fire. Followup: No Notes: | Benzene: 10.3 pounds Xylene: 109.7 pounds Ethylbenzene: 3.0 pounds Toluene: 87.5 pounds Volatile Organic Compounds (VOCs): 360.0 pounds |
149329 2013-06-20 | B502 Reactor D-SRU Thermal Oxidizer | Cause: On June 20, a release of hydrogen sulfide and sulfur dioxide into the air was caused by a small leak from the B502 Reactor furnace in the D-Sulfur Recovery Unit was discovered. Followup: Yes Notes: The unit was shut down and the leak was repaired. According to CITGO, a review of the operating data from this event showed that no RQs were exceeded, but the start-up of the unit resulted in emissions that exceeded the RQ of 500 pounds for sulfur dioxide. During startup after the incident on June 22, the unit sent tail gas to the thermal oxidizer while heating up the catalyst beds with natural gas. Sulfur dioxide emissions during this time was 1818 pounds. Pursuant to Paragraph 93a of the NSR Consent Decree, stipulated penalties shall not apply to a tail gas incident attributable to the scheduled start-up of an individual train at the SRP located at the Lake Charles Refinery, provided that CITGO demonstrates that it has implemented good air pollution control practices. | Sulfur Dioxide: 1,818.0 pounds |
156037 2014-05-18 | Tank 143, EQT 0130, Logistics Area | Cause: Citgo reported a naphtha release from Tank 143 (A 23,500 barrel feed tank for the A Reformer Unit). The real ease began when there was a reverse flow of hydrogen (caused by an unexpected shut down of the A reformer feed pumps) into the tank from the A Reformer Unit. This reverse flow caused the level in the tank to increase rapidly, lifting the roof and damaging the floating roof seal, allowing product to drain off the roof and into the tank dike area. Fence line monitoring, conducted during the incident reported no readings of a volatile compound. As a effort to reduce VOC emissions, foam was applied to the product during the night. In a letter dated 5/23/14 Citgo requested additional time to provide release calculations for the incident. According to the report the LDEQ quants for flammable liquid and benzene from volatilization were exceeded. 53 barrels of Heavy Naptha Mixture were released from the tank and contacted the ground. Approximately 37.5 barrels were recovered and the balance evaporated. 50 pounds of Benzene a naphtha constituent released from evaporation. Followup: Yes Notes: As a corrective action the flow line was immediately blocked in, foam was applied to the spill area, and all liquid/contaiinated soil was removed and disposed of according the state regulations. | Benzene: 4.1 pounds Naphtha: 13,200.0 pounds Xylene: 185.0 pounds |
153833 2014-02-11 | furnaces | Cause: On Feburary 12, CITGO Lake Charles Manufacturing Complex notified LDEQ's Single Point of Contact of a sulfur dioxide release that occurred on February 11, 2014 at 20:18 hrs. According to Phyllis Holifield, Manager of Environmental Protection Department, stated that an amine pump tripped out in the Fuel Gas Processing Unit stopping the amine flow for 4 minutes which lead to the release of sulfur dioxide from various furnaces in the unit. Followup: No Notes: State Police notification report states that amine pump was turned back on and functioning in the normal range of operation. | |
153175 2014-01-06 | Crude Line Flange | Cause: The Oil Movement B - A Topper crude line flange was discovered to be leaking crude oil to the ground due to cold weather induced mechanical failure. There was no off site impact.
IN POLICE REPORT:
"... A flange had loose bolts...flange has been tightened to stop the leak" Followup: No Notes: Oil Movement B - A crude line flange was repaired Cold weather would make it harder for nut/bolt to become unscrewed and cause a leak because the metal compresses slightly in the colder temperatures. | Crude Oil: 399.0 gallons |
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