5/15/2012Comparison of Flare Requirements1Selected requirements in 40 CFR part 60, subpart Ja (as amendedin 2012); South Coast Air QualityManagement District (SCAQMD)Rule 1118; and Bay Area Air Quality Management District (BAAQMD) Regulation12, Rule 11 and Regulation 12, Rule 12Subpart Ja Requirements SCAQMD Requirements BAAQMD Requirements§60.103a(a) Prepare and submit forapproval a flaremanagement plan thatincludes:1118 (d)(3) Prepare and submit onlyif performance targetsare exceeded. But this isonly to describe ways tominimize emissions.12-11-401 Submit FMP§60.103a(a)(1)-(2)A listing of all refineryprocess units, producersof refinery fuel gas, andfuel gas systemsconnected to the flareand an assessment ofwhether discharges toaffected flares from theseprocess units and fuelgas systems can beminimized.1118 (c)(2)(A),(B), (C); 1118(c)(3)Detailed PFDs of allupstream equipment andprocess units venting tothe flare. Descriptions ofprocedures/equipment/policies to reduce oreliminate flaring12-11-401.1 Technical data on eachflare and upstreamequipment and processesthat send gas to the flare,Reductions previouslyrealized, plannedreductions, andprevention measuresincluding SSM events§60.103a(a)(3) A detailed description ofeach affected flare;designation as eitherprimary, secondary,emergency, or flareequipped with FGRsystem; for primaryflares, methods formonitoring flow rate andsulfur content of gases;for secondary flares andflares equipped withFGR systems,1118(c)(2)(A)1118(f)(3)A complete descriptionand technicalspecifications for eachflare and associatedknock-out pots, surgedrums, water seals andflare gas recoverysystems;Flare monitoring andrecording plan is verydetailed and must besubmitted regardless ofwhether there is an FMP12-11-401.1 Technical data: DetailedPFDs accuratelydepicting all pipelines,process units, FGRsystems, water seals,surge drums, and KOpots, including as builtdimensions and designcapacities of the FGRsystems, compressors,water seals, surge drumsand knock out pots.5/15/2012Comparison of Flare Requirements2Subpart Ja Requirements SCAQMD Requirements BAAQMD Requirementsdescriptions of waterseals or flow devices;designation of linesexempt from monitoring;description of flare gasrecovery systems.required; must haveproposed methods formonitoring andrecording total volume,higher heating value, andtotal sulfur concentrationof gases vented to a flarefor each flare event.§60.103a(a)(4) Evaluation of baselineflow to the flare for allconditions.Not applicable; nobaseline flow allowance.Not applicable; nobaseline flow allowance§60.103a(a)(5)-(7)Procedures to minimizedischarges during SS andcases of fuel gasimbalance. For flareswith FGR, procedures tominimize the frequency,duration of outages andthe volume of gas flared1118 (c)(3),1118 (e)(1)(C)Policies, procedures tominimize flaring forSSM12-11-401.4 Prevention measures§60.103a(b) Submittal of FMP toAdministrator and publicreview, compliance dates1118 (e)(2) Public review for 60days12-11-403 Public review for 60days§60.103a(c)-(e) Conduct RCA andcorrective action analysisno later than 45 daysafter any discharge to theflare >500 K scfm abovebaseline or >500 lb/daySO2(or if water sealmonitoring, any timepressure exceeds waterseal depth).1118 (c)(1)(D)1118 (c)(1)(E)Specific cause analysisfor 500 lb/event or500,000 SCF/event;Relative cause analysisfor >5000 SCF/event12-11-40512-11-406Notification as soon aspossible for each event>500 KSCFD; reportwithin 60 days ,including incident cause,prevention measures,explanation of whyflaring is consistent withFMP5/15/2012Comparison of Flare Requirements3Subpart Ja Requirements SCAQMD Requirements BAAQMD Requirements§60.107a(e) Sulfur monitoringrequirements andspecifications;exemptions for lowsulfur fuel gas,emergency flares,secondary flares andflares equipped withFGR1118 (g)(3)Table 1Emergency and generalservice flares- semicontinuous measured andrecorded with a totalsulfur analyzer12-11-502Vent gas compositionmonitoring—sampling ofindividual flaring eventsfor events >330 SCFMin 15 minutes on 15minute intervals or forsulfur plant events,within 1 hourrepresenting worst caseconditions.§60.107a(f) Continuous flare flowmonitoring andspecifications;exemptions foremergency, secondaryand flares equipped withFGR1118 (g)(3)Table 11118 (g)(3)Continuous flowmonitoring, noexceptionsVelocity: 1-250 ft/sRepeatability +- 1% ofreading over velocityrange; Accuracy +- 5%of reading over thevelocity range12-11-501Continuous flowmonitoringMin detectable velocity.1 ft/sRange .5 to 275 ft/sAccuracy +- 5% over therangeFlow verification reportrequired.