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Chalmette Refining, LLC, Chalmette
Releases of Nitric Oxide
| LDEQ Incident Number Incident Date |
Point Source(s) | Notes | Amount of Release |
| 81586 2006-08-23 | LPG Compressor (K-9200) LPG Compressor tripped, then went to #2 Flare | Cause: LPG Compressor tripped causing fuel system to overpressure Followup: Yes Notes: This is a verbal report; there is no letter - the usual type of report - in the files as a follow up though one is promised. | 20.0 pounds |
| 81586 2006-08-23 | LPG Compressor (K-9200) LPG Compressor tripped, then went to #2 Flare | Cause: LPG Compressor tripped causing fuel system to overpressure Followup: Yes Notes: This is a verbal report; there is no letter - the usual type of report - in the files as a follow up though one is promised. | 20.0 pounds |
| 84794 2005-12-24 | Rich DGA Pump G-8291 | Cause: Electrical supply malfunction caused the auto shutdown of the refinery Sulfur Recovery Unit Train 2. The shutdown resulted in routing of refinery acid gas to the flare system. Followup: No Notes: Operations were conducted in order to minimize emissions while maintaining a safe and orderly stabilization of refinery operations and restart of the impacted process unit. Repairs were made to applicable electrical equipment and SRU train 2 was restarted, ending the incident. The refinery has initiated an investigation into the cause of this incident. Based on the result of that investigation, appropriate measures will be taken in order to prevent a recurrence due to the same cause. | 239.0 pounds |
| 84745 2005-12-22 | Sulfur Recovery Unit Train 2 | Cause: instrument malfunction caused the automatic shutdown of the refinery sulfur recovery unit train 2, resulting in the routing of refinery acid gas to the flare system (No. 1) Followup: No Notes: Operations were conducted in order to minimize emissions while maintaining a safe and orderly stabilization of refinery operations and restart of the impacted process unit. Repairs were made to applicable instrumentation and SRU Train 2 was restarted, ending the incident. The refinery has initiated an investigation into the cause of this incident. Based on the result of that investigation, appropriate measures will be taken in order to prevent a recurrence due to the same cause. | 888.0 pounds |
| 84681 2005-12-19 | Hydrocracker (HCU) Second Stage Make-up Hydrogen Compressor (K-2302) | Cause: Hydrocracker (HCU) compressor (K2302) alignment and unit conditions were causing a pressure safety valve to relieve refinery grid hydrogen to the flare. Followup: No Notes: A search located the source of excess flare gas. The situations which caused the PSV to relieve the flare were modified, ending the incident. Normal procedures for HCU startup will be reviewed in order to evaluate line-ups that could result in flaring and modify them if appropriate. | 79.0 pounds |
| 05-BB005-297 2005-12-18 | Coker 2 Wet Gas Compressor K8101 | Cause: Compressor went into high alarm for high vibration. It was determined that the vibration probe had provided a false alarm due to a faulty connection. Followup: No Notes: In order to avoid equipment damage and associated emissions, refinery personnel shut down the machine. The vibration probe was repaired and the machine was put back in service, ending the incident. Instrument and electrical connections directly relatedto K8101 were double checked for proper connections in order to avoid a recurrence due to the same root cause. | 254.0 pounds |
| 84474 2005-12-12 | Wet Gas Compressor K8101 | Cause: Followup: No Notes: Machine restarted. Below reportable quantities | 6.0 pounds |
| 84328 2005-12-05 | Operating Sulfur Recovery Unity | Cause: Loss of power triggered upset of refinery and shutdown of the refinery's operating sulfur recovery unit. Followup: No Notes: Operations were conducted in order to minimize emissions while maintaining a safe and orderly stabilization of refinery operation and restart of some refinery process units. Refinery Management has met with Entergy to stress the impact of this incident and request that appropriate measures be taken in order to prevent a recurrence. | 2,070.0 pounds |
| 84247 2005-12-02 | Pressure Safety Value | Cause: Unexpected blockage caused backpressure in the unit causing a PSV to relieve to the flare. Followup: No Notes: A search located the source of excess flare gas. The PSV which relieved to the flare was isolated, ending the incident. | 57.0 pounds |
| 84073 2005-11-23 | No. 2 Coker Wet Gas Compressor | Cause: The wet gas compressor shut down due to the axial thrust alarm, resulting in emissions from the No. 1 Flare. Following investigation, refinery personnel believe the Wet Gas Compressor shut down due to a momentary loss of lube oil. Followup: No Notes: In an effort to stop the release, the compressor was restarted, but the alarm remained. Following determination by refinery personnel that maintenance was required on the compressor, K-8101 was taken out of service and sent out for repair. A variance was applied for with the LDEQ to authorize the emissions associated with the compressor maintenance. The variance was approved on November 29, 2005, ending this release. | 2,490.0 pounds |
| 81795 2005-08-27 | FCC Debutanizer Overhead Condenser | Cause: Condenser overpressured due to a failure with a pressure controller, resulting in flaring and a small ground fire. Followup: No Notes: For the FCC, the tower was returned to normal pressure and the pressure transmitter on the overhead condenser was repaired. The small ground fire was extinguished. | 74.0 pounds |
| 05-BB005-267 2005-08-27 | Plant Facility | Cause: Shutdown in advance of Katrina. Emissions resulted from gas flaring, fuel gas quality changes, and standby operation modes necessitated by the shutdown. Followup: No Notes: Substance released to atmosphere through the refinery. For the refinery shutdown, operations were conducted in order to minimize emissions while maintaining a safe and orderly shutdown. | 467.0 pounds |
| 81016 2005-08-05 | Coker 1 Heavy Gas Oil pump G2804 problem led to release at the No. 2 Flare | Cause: Seal on coker 1 Heavy Gas Oil pump G2804 failed, causing a localized fire at the pump. Caused coker 1 wet gas compressor K2800 to shutdown due to high drum level. Flare to no. 2. Followup: No Notes: Unit throughput was reduced to minimum and attempts to restart required process equipment were made. Unit feed was changed from sour (high H2S concentrations) to sweet (lower H2S concentrations) to minimize emissions. The unit was stabilized and the flaring ceased. | 68.0 pounds |
| 80685 2005-08-03 | No information given | Cause: Followup: No Notes: BELOW REPORTABLE QUANTITIES | |
| 80865 2005-07-22 | Hydrocracker | Cause: Hydrocracker overpressured Followup: No Notes: BELOW REPORTABLE QUANTITIES | 3.0 pounds |
| 80590 2005-07-18 | No information given | Cause: Followup: No Notes: BELOW REPORTABLE QUANTITIES | 4.0 pounds |
| 05-BB005-243 2005-07-17 | Wet Gas Compressor K 2800 shut down and went to the No. 2 Flare | Cause: coker 1 wet gas compressor (K2800) shut down due to high knock-out drum level. Resulted in flaring of process gasses until it could be re-started. Followup: No Notes: Process adjustments were made in order to minimize the likelihood of fractionators liquid carryover and high knock-out level, prior to the re-start of the compressor. K2800 was re-started, ending the incident | 22.0 pounds |
| 80533 2005-07-15 | Cat feed hyrdrotreater unit problem caused release to the No. 2 Flare | Cause: Cat feed hydrotreater (CFHT) developed a leak due to a failure in the piping. The unit was shut down in order to eliminate the lead and safely conduct repairs. Vented through flare 2 Followup: No Notes: Cat Feed hydrotreater (CFHT) was shut down and hydrogen and process gas vented to the refinery flare system. Operations were conducted in order to minimize emissions while maintaining a safe and orderly shutdown and restart of the CFHT | 127.0 pounds |
| 80502 2005-07-13 | Transformer power outage - emitted at No. 2 Flare | Cause: Loss of a refinery power transformer resulted in unplanned shut-down of coker 1, resulting in flaring to no. 2 Followup: No Notes: backup transformer was placed in service to replace the one that failed. | 266.0 pounds |
| 80322 2005-07-06 | No information given | Cause: Followup: No Notes: Tropical storm caused power failure | 167.0 pounds |
| 80288 2005-07-04 | Hydrocracker Light Ends Plant Butane Splitter Tower & LEP Depropanizer | Cause: LEP Butane Splitter Tower began to overpressure. Moves in operating temperature and pressure on LEP Depropanizer, actuated by the refinery advanced controls system, allowed propane to exit via Depropanizer Bottoms, to the Butane Splitter, which is not designed to off-gas light materials such as propane. Personnel mode moves to lower tower pressure, including the venting of Propane in the Butane Splitter, to the refinery flare system in order to lower the pressure of the tower to safe levels. Followup: No Notes: Cooler back flushing was conducted in order to ensure that maximum cooling was available. Refinery personnel made operational adjustments that ended the incident. Various level controllers and analyzers associated with the LEP Depropanizer and Butane Splitter were checked for proper operation. The refinery has initiated an investigation into the cause of this incident. | 19.0 pounds |
| 79977 2005-06-20 | No. 2 Flare | Cause: The LPG compressor tripped; the alarm panel showed a high suction drum level. Upon investigation no high drum was detected. The machine was restarted and tripped again on a high level indication. A this time the high level alarm was calibrated by the operators and again restarted. Followup: No Notes: The level in the suction drum was checked and upon tripping a second time the operators checked the high level shutdowm switch chamber for liquid. Finding none, the machine was restarted. | 11.0 pounds |
| 79529 2005-06-02 | Hydrocracker Light Ends Plant Butane Splitter Tower | Cause: The Hydrocracker Light Ends Plant (LEP) Butane Splitter Tower began to overpressure; moves in operating temperature and pressure on the LEP Depropanizer, actuated by the refinery advanced system controls system, allowed propane to exit via Depropanizer Bottoms, to the Butane Splitter, which is not designed to off-gas light materials such as propane. Followup: No Notes: Cooler back flushing was conducted in order to ensure that maximum cooling was available. Refinery personnel made operational adjustments that ended the incident. Various level controllers and analyzers associated with the Lep Depropanizer and Butane Splitter were checked for proper operation. | 11.0 pounds |
| 79189 2005-05-19 | Hydrocracker Light Ends Plant - Butane Splitter Tower | Cause: : Excess feed to the Depropanizer Tower caused overpressure Followup: No Notes: moves to reduce temperature and pressure were made in effort to prevent the depressurization of the Butane Splitter to the refinery flare system. Cooler back flushing was conducted in order to ensure that maximum cooling was available, heater firing wasreduced in order to reduce tower temperatures and pressures. | 77.0 pounds |
| 05-BB005-210 2005-05-11 | K3304 | Cause: Leak on the Hydrodesulphurization (HDS) Unit Off0gas Compressor K-3304 Followup: No Notes: Sweet streams (lower Sulfur content) were routed to the flare to minimize sour gas flaring. Process unit output was adjusted in order to minimize the total amount of waste gas being sent to the flare. | 64.0 pounds |
| 78900 2005-05-08 | K-4301 | Cause: After starting the propane compressor the first and second stage releif valves opened to the flare. Followup: No Notes: Below reportable quantities; initial report said 12 lbs had been released. | 5.0 pounds |
| 05-BB005-206 2005-05-07 | No information given | Cause: Followup: No Notes: Below reportable quantities | 5.0 pounds |
| 78541 2005-04-26 | Sulfur Recovery Unit, Hydrocracker, #2 Coker, #2 Crude | Cause: A loss of power to the Refinery's Boiler Instrumentation System caused the shutdown of the three plant boilers which generate the Refinery's 600 lb. steam. The loss of 600 lb. steam production caused upset conditions at a series of Refinery Process Units including the Sulfur Recovery Unit, Hydrocracker, #2 Coker and #2 Crude Followup: No Notes: The refinery has initiated an investigation into the cause of this incident. Based on the result of that investigation, measures will be taken in order to prevent a recurrence due to the same cause | 326.0 pounds |
| 78361 2005-04-19 | K-401 (waste gas compressor number 2) | Cause: Waste gas compressor number 2 (K-401) automatically shut down, automatically diverting waste gas to the flare system. Followup: No Notes: Low-Sulfur content streams were routed to the flare to minimize sour gas flaring. Output was adjusted to minimize total amount of waste being sent to the flare. Same language about doing an investigation to understand the underlying cause and prevent future incidents. | 3.0 pounds |
| 78341 2005-04-17 | K-401 (waste gas compressor number 2) | Cause: Waste gas compressor number 2 (K-401) automatically shut down, automatically diverting waste gas to the flare system. Followup: No Notes: Low-Sulfur content streams were routed to the flare to minimize sour gas flaring. Output was adjusted to minimize total amount of waste being sent to the flare. | 2.0 pounds |
| 78226 2005-04-13 | K-401 (waste gas compressor number 2) | Cause: Waste gas compressor number 2 (K-401) automatically shut down, automatically diverting waste gas to the flare system. Followup: No Notes: Low-Sulfur content streams were routed to the flare to minimize sour gas flaring. Output was adjusted to minimize total amount of waste being sent to the flare. Letter rescinds report of nitric oxide because below reportable quantity. | 7.0 pounds |
| 05-BB005-157 2005-04-06 | K-402 (Refinery waste gas compressor number 3) | Cause: K-402 unexpectedly shut down. Shortly after shutdown, refinery personnel identified the cause of the shutdown as a malfunction of the compressor motor ignition system. Followup: No Notes: The compressor motor was repaired and the compressor restarted, ending the incident. | 108.0 pounds |
| 77978 2005-04-02 | No information given | Cause: From the verbal report: Followup: No Notes: | |
| 77936 2005-03-31 | K-400 (Refinery waste gas compressor number 1) | Cause: Refinery waste gas compressor number 1 (K-400) unexpectedly shut down. Refinery waste gas automatically diverted to the flare system. Followup: No Notes: Adjustments made to the fuel/air mixture and K-400 restarted. | 2.0 pounds |
| 77659 2005-03-17 | No information given | Cause: Waste gas compressor number 2 (K-401) automatically shut down due to a high temperature. Followup: No Notes: Letter rescinds verbal report because incident was not reportable. No release to atmosphere. | 7.0 pounds |
| 05-BB005-135 2005-03-13 | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | Cause: During maintenance, the Hydrocracker (HCU) Second Stage High-Pressure Separator (C-2307) level controller was inadvertently left in the manual position. Later, HCU Second Stage Recycle Compressor (K-2303) shut down due to high level in C-2307. Shutdown of K-2303 caused automatic depressurization of C-2307 to the refinery flare system. Followup: No Notes: Letter rescinds report of Sulfur Dioxide because below reportable quantity. | 29.0 pounds |
| 05-BB005-128 2005-03-02 | Waste Gas Compressor Number 4 (K-406); Copper tubing connecting C-435 (first stage suction drum) to high-level instrumentation | Cause: Waste gas compressor number 4 (K-406) shut down due to failure of piece of copper tubing connecting C-435 to high-level shutdown instrumentation. When it failed, a false high level reading was recorded, causing automatic safety shutdown system to become engaged. Followup: No Notes: Low-Sulfur content streams were routed to the flare to minimize sour gas flaring. Output was adjusted to minimize amount sent to the flare. C-435 was retubed, K-406 was checked and restarted. | 30.0 pounds |
| 76869 2005-02-11 | No information given | Cause: From the verbal report: Followup: No Notes: | 6.0 pounds |
| 05-BB005-113 2005-02-07 | Unintended over pressurization of the Hydrocracker Light Ends Plant (HCU LEP) Depropanizer surge drum | Cause: Due to the isolation of the sight glass of the hydrocracker light ends plant depropanizer, the automatic level indication equipment was disabled and false reading was transmitted; this condition caused an unintended over pressurization of the HCU LEP Depropanizer surge drum, which was venter to the refinery flare system (No. 2 flare) Followup: No Notes: Refinery personnel evaluated the process operation, identified the source of the problem and made appropriate corrections, ending the incident. | 90.0 pounds |
| 05-BB005-106 2005-02-04 | Electrical breaker G-457; Waste gas compressor number 2 (K-401) | Cause: Electrical breaker for G-457 malfunctioned. Waste gas compressor number 2 (K-401) shut down as a result of the electrical power outage and refinery waste gas was diverted to safety flare system. Followup: No Notes: Low-Sulfur content streams were routed to the flare to minimize sour gas flaring. Output was adjusted to minimize total amount of waste being sent to the flare. Note: the breaker for G-457 had been identified for repair and was supposed to be replaced that week. | 13.0 pounds |
| 05-BB005-105 2005-01-30 | Pressure Safety Valve (PSV) on the Hydrocracker Light Ends Plant (LEP) A stripper as the source of the increased flame at number 2 flare | Cause: An abrupt increase in light material to the LEP A Stripper exceeded the tower overhead condenser cooling capacity, causing tower to overpressure. Followup: No Notes: After identifying the LEP A Stripper PSV flaring, lowered the pressure on the tower to end the incident. | 15.0 pounds |
| 05-BB005-100 2005-01-24 | Waste gas compressor shut down and caused an over pressure situation | Cause: From the verbal report: Followup: No Notes: | 8.0 pounds |
| 05-BB005-93 2005-01-22 | K-406 (waste gas compressor number 4) | Cause: Waste gas compressor number 4 (K-406) unexpectedly shut down. Waste gas was automatically diverted to refinery safety flare system. Followup: No Notes: Note: This compound was not included in the body of the letter. It was listed in a chart attached to the letter. | 23.0 pounds |
| 76362 & 76355 2005-01-21 | Hydrocracker Light Ends Plant Butane Splitter Tower & LEP Depropanizer Tower Bottoms Flow Control Valve 50FC060 | Cause: (1) 0600 hrs: Hydrocracker Light Ends Plant (LEP) Butane Splitter Tower began to overpressure because LEP Depropanizer Tower Bottoms Flow Control Valve (50FC060) had failed in the open position, letting propane to exit to the Butane Splitter. (2) 1700 hrs: Butane Splitter again began to overpressure due to the presence of propane. The level indication on the level instrument was detecting a false reading. Followup: No Notes: Letter speaks of two incidents on same day at 0600 hrs and 1700 hrs but attached report shows three incidents: (1) 4:05 a.m. lasting 3h 42m; (2) 3:15 p.m. lasting 41m; (3) 4:30 p.m. lasting 1h 25m. Amounts of compounds are only given in totals for all 3incidents. | 75.1 pounds |
| 76224 2005-01-18 | No information given Number 2 Flare -- Pressure Safety Valve (PSV) on Fuel Drum for Number 10 Boiler | Cause: From the verbal report: Followup: No Notes: | 265.0 pounds |
| 05-BB005-67 2005-01-06 | K-406 (waste gas compressor number 4) | Cause: K-406 unexpectedly shut down and waste gas was automatically diverted to refinery safety flare system. Followup: No Notes: Sweet streams (lower Sulfur content) were routed to the flare to minimize sour gas flaring. Process unit output was adjusted in order to minimize the total amount of waste gas being sent to the flare. Shortly after shutdown, personnel re-started K-406 restoring the systems ability to process available refinery waste gas streams, ending the incident. | 2.0 pounds |
| 92464 2006-12-07 | Lube Oil Cooler on Waste Gas Compressor K-406 | Cause: leak in lube oil cooler tubing on WGC Followup: No Notes: Lube oil cooler on compressor was shut down. Leaking cooler tubing was repaired and all of the tubing was hydro-tested. | |
| 91726 2006-10-29 | Flare | Cause: Compressor tripped and the safety valve on first-stage suction relieved to flare Followup: Yes Notes: DEQ report without corresponding letter from CRLLC | 34.0 pounds |
| 91667 2006-10-29 | AE-AOA-05-0109 EPN 28 and 29 | Cause: electrical switchgear failure. Followup: No Notes: DEQ report indicates that unknown amounts of the pollutants were released. | 467.0 pounds |
| 90530 2006-09-08 | #1 Flare - AE-AOA-05-0109 EPN 28 | Cause: during shutdown of GRU, gas had a higher BTU value than usual and the refinery furnaces automatically reduced the volume of gas consumed. The fuel drum was limited in its capacity to absorb fluctuationsin quality/auntity. The combination caused the fueldrum to vent excess pressure to the flare Followup: No Notes: CRLLC will evaluate prerequisites in GRU shutdown procedure. | 14.0 pounds |
| 90319 2006-08-29 | No information given | Cause: No information given Followup: No Notes: Letter written to rescind notification of 8/29/06 | 1.0 pounds |
| 90326 2006-08-29 | #1 Flare - AE-AOA-05-0109 EPN 28 | Cause: primary seal on recycle pump failed and resulted in venting to no. 1 flare. Later another primary seal failed Followup: No Notes: Spare Pump G-7913 was repaired and put in service, ending the incident. refinery has initiated an investigation into the cause | 22.0 pounds |
| 89293 2006-07-17 | AE-AOA-05-0109 EPN 29 | Cause: the process of startup and shutdown of the FCC resulting in apparent variability of FCC to Alky feedstock product quality with accumulation of noncondensable materials. Personnel allowed a controlled partial depressurization to avoid overpressure. Followup: No Notes: this incident will be reviewed by FCC and Alky process team leaders in order to increase awareness of the potential impacts of FCC shutdown/startup operations on Alky feed composition. | 23.0 pounds |
| 89266 2006-07-14 | Flare | Cause: compressor shut down on the Hydrocracker Unit Followup: No Notes: Letter written to rescind notification of 7/14/6 | 2.0 pounds |
| 89057 2006-07-06 | No information given | Cause: No information given Followup: No Notes: Several pages missing from report! | |
| 88847 2006-06-23 | Emergency Flare System - AE-AOA-05-0109 EPN 28 | Cause: chiller malfunction. excess flare volume identified, search to identify source, as D9007 sphere as having relieved pressure to the emergency flare system. Sphere's chiller (ME9002) malfunctioned, heated up and overpressured. Followup: No Notes: sphere chiller was restarted which ended flaring. | 19.0 pounds |
| 89431 2006-06-21 | #2 Flare AE-AOA-05-0109 EPN 29 | Cause: alarm was improperly set allowing motor to operate above its design load leading to shut down of #1 Coker WGC Followup: No Notes: K-2800 high amperage alarm has been reset to 208 amps. | 22.0 pounds |
| 88694 2006-06-18 | No information given | Cause: malfunction on fuel drum Followup: No Notes: Letter written to rescind notification of 6/18/6 | |
| 88600 2006-06-14 | #2 Flare - AE-AOA-05-0109 EPN 29 | Cause: compressor shut down due to a low level reading in the lube Oil reservoir which was caused by the discharge of Oil from the west seal Oil trap to the refinery Oily water sewer system. Followup: No Notes: refinery has initiated an investigation into the cause | 27.0 pounds |
| 88492 2006-06-11 | #2 Flare - AE-AOA-05-0109 EPN 29 | Cause: thermal overload from direct sunlight, automatic shut down of WGC Followup: No Notes: temporary roof installed over the motor starter / thermal load protection system. This will prevent direct sunlight from contributing to excess temperature on the thermal over arm protection system. | 29.0 pounds |
| 88280 2006-06-02 | No information given | Cause: malfunction in a control valve causes a clearing incident Followup: No Notes: DEQ report with no corresponding letter from CRLLC | 8.0 pounds |
| 87979 2006-05-19 | Process unit | Cause: leak in a fan in a process unit Followup: No Notes: No information given | 1.0 pounds |
| 87763 2006-05-11 | Flare | Cause: light ends sent to flare during start up Followup: No Notes: Letter written to rescind notification of 5/11/6 | |
| 87256 2006-04-18 | No information given | Cause: Cat Feed Hydrotreater Compressor tripped on overamp Followup: No Notes: Letter states that emissions were BRQ | 7.0 pounds |
| 86835 2006-03-29 | AE-AOA-05-0109 | Cause: Plant de-ethanizer tower (2410) relieved pressure to the emergency flare system after that propane treater (C7402) had plugged causing backpressure on the system leading to venting to emergency flare system. Release from Flare no. 2. Followup: No Notes: the refinery has initiated an investigation, appropriate measures will be taken in order to prevent a recurrence due to the same cause. | 25.0 pounds |
| 85953 2006-02-21 | AE-AOA-05-0109 | Cause: during startup of liquefied Petrol. Gas compressor, an unexpected liquid was present in the compressor discharge piping. This caused an unexpected upset resulting in over pressurization of the refinery fuel system. No. 2 Flare. Followup: No Notes: the refinery has initiated an investigation, appropriate measures will be taken in order to prevent a recurrence due to the same cause. | 25.0 pounds |
| 85641 2006-02-06 | No information given | Cause: No information given Followup: No Notes: Letter written to rescind notification of 2/6/06 | 7.0 pounds |
| 99870 2007-09-30 | #2 Flare | Cause: pressure safety valve release Followup: No Notes: Letter states that no RQ's were exceeded |
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