{"data":{"id":"us/40-cfr-419.43","jurisdiction":"us","citation":"40 CFR 419.43","heading":"Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):\nPollutant or pollutant property BAT effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days shall not exceed\nMetric units (kilograms per\nCOD 1 360.0 187.0\nAmmonia as N 23.4 10.6\nSulfide 0.33 0.150\nEnglish units (pounds per 1,000 bbl of feedstock)\nCOD 1 127.0 66.0\nAmmonia as N 8.3 3.8\nSulfide 0.118 0.053\n1 See footnote following table in § 419.13(d).\n(b) The limits set forth in paragraph (a) of this section are to be multiplied by the following factors to calculate the maximum for any one day and maximum average of daily values for thirty consecutive days.\n(1) Size factor.\n1,000 bbl of feedstock per stream day Size factor\nLess than 49.9 0.71\n50.0 to 74.9 0.74\n75.0 to 99.9 0.81\n100.0 to 124.9 0.88\n125.0 to 149.9 0.97\n150.0 to 174.9 1.05\n175.0 to 199.9 1.14\n200.0 or greater 1.19\n(2) Process factor.\nProcess configuration Process factor\nLess than 6.49 0.81\n6.5 to 7.49 0.88\n7.5 to 7.99 1.00\n8.0 to 8.49 1.09\n8.5 to 8.99 1.19\n9.0 to 9.49 1.29\n9.5 to 9.99 1.41\n10.0 to 10.49 1.53\n10.5 to 10.99 1.67\n11.0 to 11.49 1.82\n11.5 to 11.99 1.98\n12.0 to 12.49 2.15\n12.5 to 12.99 2.34\n13.0 or greater 2.44\n(3) See the comprehensive example in subpart D, § 419.42(b)(3).\n(c)(1) In addition to the provisions contained above pertaining to COD, ammonia and sulfide, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):\n(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appendix A are for the convenience of the reader. They can be cross-referenced in the Development Document for Effluent Limitations Guidelines, New Source Performance Standards, and Pretreatment Standards for the Petroleum Refining Point Source Category (EPA 440/1-82/014), Table III-7, pp. 49-54.\nPollutant or pollutant property and process type BAT effluent limitation factor\nMaximum for any 1 day Average of daily values for 30 consecutive days shall not exceed\nMetric units (kilograms per 1,000 m3 of feedstock)\nPhenolic compounds (4AAP):\nCrude 0.037 0.009\nCracking and coking 0.419 0.102\nAsphalt 0.226 0.055\nLube 1.055 0.257\nReforming and alkylation 0.377 0.092\nTotal chromium:\nCrude 0.030 0.011\nCracking and coking 0.340 0.118\nAsphalt 0.183 0.064\nLube 0.855 0.297\nReforming and alkylation 0.305 0.106\nHexavalent chromium:\nCrude 0.0019 0.0009\nCracking and coking 0.0218 0.0098\nAsphalt 0.0117 0.0053\nLube 0.0549 0.0248\nReforming and alkylation 0.0196 0.0088\nEnglish units (pounds per 1,000 bbl of feedstock)\nPhenolic compounds (4AAP):\nCrude 0.013 0.003\nCracking and coking 0.147 0.036\nAsphalt 0.079 0.019\nLube 0.369 0.090\nReforming and alkylation 0.132 0.032\nTotal chromium:\nCrude 0.011 0.004\nCracking and coking 0.119 0.041\nAsphalt 0.064 0.022\nLube 0.299 0.104\nReforming and alkylation 0.107 0.037\nHexavalent chromium:\nCrude 0.0007 0.0003\nCracking and coking 0.0076 0.0034\nAsphalt 0.0041 0.0019\nLube 0.0192 0.0087\nReforming and alkylation 0.0069 0.0031\n(2) Example Application of Effluent Limitations Guidelines as Applicable to Phenolic Compounds, Hexavalent Chromium, and Total Chromium.\nThe following example presents the derivation of a BAT phenolic compound (4AAP) effluent limitation (30-day average) for a petroleum refinery permit. The methodology is also applicable to hexavalent chromium and total chromium.\nRefinery process Process feedstock rate 1,000 bbl/day\n1. Atmospheric crude distillation 100\n2. Crude desalting 50\n3. Vacuum crude distillation 75\nTotal crude processes (C) 225\n6. Fluid catalytic cracking 25\n10. Hydrocracking 20\nTotal cracking and coking processes (K) 45\n18. Asphalt production 5\nTotal asphalt processes (A) 5\n21. Hydrofining 3\nTotal lube processes (L) 3\n8. Catalytic reforming 10\nTotal reforming and alkylation processes (R) 10\nNote:\n30 day average effluent limitation for phenolic compounds (4AAP), lb/day = (0.003) (225) + (0.036) (45) + (0.019) (5) + (0.090) (3) + (0.032) (10) = 2.98 lb/day.\n(d) The provisions of § 419.13(d) apply to discharges of process wastewater pollutants attributable to ballast water by a point source subject to the provisions of this subpart.\n(e) The quantity and quality of pollutants or pollutant properties controlled by this paragraph, attributable to once-through cooling water, are excluded from the discharge allowed by paragraph (b) of this section. Once-through cooling water may be discharged with a total organic carbon concentration not to exceed 5 mg/l.\n(f) Effluent limitations for contaminated runoff. The following effluent limitations constitute the quantity and quality of pollutants or pollutant properties controlled by this paragraph and attributable to contaminated runoff, which may be discharged after the application of the best available technology economically achievable by a point source subject to this subpart.\n(1) If wastewater consists solely of contaminated runoff and is not commingled or treated with process wastewater, it may be discharged if it does not exceed 110 mg/l total organic carbon (TOC) based upon an analysis of any single grab or composite sample.\n(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the concentrations listed in the following table:\nPollutant or pollutant property BAT effluent limitations for contaminated runoff\nMaximum for any 1 day Average of daily values for 30 consecutive days shall not exceed\nMetric units (kilograms per 1,000 m3 of flow)\nPhenolic compounds (4AAP) 0.35 0.17\nTotal chromium 0.60 0.21\nHexavalent chromium 0.062 0.028\nCOD 1 360. 180.\nEnglish units (pounds per 1,000 gallons of flow)\nPhenolic compounds (4AAP) 0.0029 0.0014\nTotal chromium 0.0050 0.0018\nHexavalent chromium 0.00052 0.00023\nCOD 1 3.0 1.5\n1 In any case in which the applicant can demonstrate that the chloride ion concentration in the effluent exceeds 1,000 mg/l (1,000 ppm), the permitting authority may substitute TOC as a parameter in lieu of COD. A TOC effluent limitation shall be based on effluent data from the particular refinery which correlates TOC to BOD5. If in the judgement of the permitting authority, adequate correlation data are not available, the effluent limitations for TOC shall be established at a ratio of 2.2 to 1 to the applicable effluent limitations for BOD5","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 419—PETROLEUM REFINING POINT SOURCE CATEGORY","Subpart D—Lube Subcategory"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"0f210c39fc24f911a9b43368d9e8fd59a7a4e9e9215dbc3b9ef2e00324688a17","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-419.42","next":"us/40-cfr-419.44"},"notice":"GroundRules: Original legal text. Not legal advice."}