{"query":{"parameter":"total nitrogen","place":"US-AK","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-AK","US"],"parameter_keys":["cas:7727-37-9","name:azoto totale","name:total nitrogen","cas:7664-41-7","cas:14797-55-8","name:total inorganic nitrogen","name:total nitrate and nitrite","name:total soluble inorganic nitrogen"],"names_matched":[["total nitrogen","cas:7727-37-9"],["total nitrogen","name:azoto totale"],["total nitrogen","name:total nitrogen"],["ammonia total ammonia nitrogen","cas:7664-41-7"],["ammonia total ammonia nitrogen in mg n l","cas:7664-41-7"],["ammonia total ammonia nitrogen nh3 n plus nh4 n as ug l n","cas:7664-41-7"],["nitrate nitrogen as total nitrogen","cas:14797-55-8"],["total ammonia nitrogen","cas:7664-41-7"],["total ammonia nitrogen tan","cas:7664-41-7"],["total inorganic nitrogen","name:total inorganic nitrogen"],["total inorganic nitrogen as n","name:total inorganic nitrogen"],["total inorganic nitrogen n inorg","name:total inorganic nitrogen"],["total nitrate and nitrite as nitrogen","name:total nitrate and nitrite"],["total soluble inorganic nitrogen","name:total soluble inorganic nitrogen"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":1780,"names":["Ammonia (as N)","Ammonia","Ammonia-N","Ammonia as N","Nitrate (as N)","Ammonia (total ammonia nitrogen in mg N/l)","Total ammonia nitrogen (TAN)","Nitrate (measured as nitrogen)"],"says":"1780 rows share a parameter key with a longer name holding \"total nitrogen\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"total nitrogen\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":25,"offset":0,"returned":25,"next_offset":null,"rows":[{"id":"f6098807da17a008","parameter":"Total Nitrate and Nitrite (as nitrogen)","value":"10,000","value_num":10000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:total nitrate and nitrite","place":["US-AK"],"conditions":["fresh water designated for water supply: drinking, culinary and food processing (18 AAC 70.020(b))"],"cite":{"instrument":"us_ak_wqs","title":"Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (fresh and marine aquatic life, human health, water supply), with 18 AAC 70.020(b) dissolved inorganic substances and marine salinity","issuer":"State of Alaska, Department of Environmental Conservation","edition":"Toxics Manual as amended through September 8, 2022, adopted by reference in 18 AAC 70, as US EPA posts it in effect for CWA purposes (effective April 14, 2023; cover April 24, 2023); 18 AAC 70 as EPA posts it effective January 8, 2026 (rows from it name their own source)","source_url":"https://www.epa.gov/system/files/documents/2023-05/akwqs-toxics-manual.pdf","source_sha256":"c835973dac59a2b48a376b34d11333eba7ff7a0f024cee0864e42470a2283b37","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Alaska Toxics Manual (2022), Table of criteria","page":24,"quote":null}},{"id":"86b64c0311dbfa1a","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart A—Simple Slaughterhouses","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.13 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"668e4b51ea6b58c4","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart A—Simple Slaughterhouses","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.13 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"c89a522fa2c30539","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart A—Simple Slaughterhouses","new sources (NSPS)","(1) In the case of process wastewater associated with the slaughtering of animals on-site or the processing of the carcasses of animals slaughtered on-site, the standards for BOD 5 , fecal coliform, O&G, and TSS are the same as the limitations specified in § 432.12(a)(1) and the standards for ammonia (as N) and total nitrogen are as follows:","table: Performance Standards [NSPS]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.15 (NSPS)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"6a41ab02a703c8ed","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart A—Simple Slaughterhouses","new sources (NSPS)","(1) In the case of process wastewater associated with the slaughtering of animals on-site or the processing of the carcasses of animals slaughtered on-site, the standards for BOD 5 , fecal coliform, O&G, and TSS are the same as the limitations specified in § 432.12(a)(1) and the standards for ammonia (as N) and total nitrogen are as follows:","table: Performance Standards [NSPS]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.15 (NSPS)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"9c96df1e3f7b9450","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart F—Meat Cutters","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.63 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"0d4df741b768f39b","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart F—Meat Cutters","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.63 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"e45f21c9f8ebe0f2","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart G—Sausage and Luncheon Meats Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.73 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"9df540a423914924","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart G—Sausage and Luncheon Meats Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.73 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"50634ea14a0d76e4","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart H—Ham Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.83 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"bef803e07a567063","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart H—Ham Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.83 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"3a229095e579318d","parameter":"Total Nitrogen","value":"194","value_num":194,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart I—Canned Meats Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.93 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"aaadca74a7552348","parameter":"Total Nitrogen","value":"134","value_num":134,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart I—Canned Meats Processors","existing sources (BAT)","(b) Facilities that generate more than 50 million pounds per year of finished products must achieve the following effluent limitations:","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.93 (BAT)","page":null,"quote":"Total Nitrogen 194 134"}},{"id":"7ca0ce64bb7fccc9","parameter":"Total Nitrogen","value":"194","value_num":194,"statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart J—Renderers","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.103 (BAT)","page":null,"quote":"Total Nitrogen 2 194 134"}},{"id":"23c39cc58f04dce0","parameter":"Total Nitrogen","value":"134","value_num":134,"statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart J—Renderers","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.103 (BAT)","page":null,"quote":"Total Nitrogen 2 194 134"}},{"id":"ec2617c5eec39759","parameter":"Total Nitrogen","value":"194","value_num":194,"statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart J—Renderers","new sources (NSPS)","table: Performance Standards [NSPS]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.105 (NSPS)","page":null,"quote":"Total Nitrogen 5 194 134"}},{"id":"9b489d633f47a606","parameter":"Total Nitrogen","value":"134","value_num":134,"statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart J—Renderers","new sources (NSPS)","table: Performance Standards [NSPS]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.105 (NSPS)","page":null,"quote":"Total Nitrogen 5 194 134"}},{"id":"dc347bb8a34f3240","parameter":"Total Nitrogen","value":"147","value_num":147,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart K—Poultry First Processing","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.113 (BAT)","page":null,"quote":"Total Nitrogen 147 103"}},{"id":"2d1396ca9aa297c4","parameter":"Total Nitrogen","value":"103","value_num":103,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7727-37-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 432","the discharge is of the Subpart K—Poultry First Processing","existing sources (BAT)","table: Effluent Limitations [BAT]"],"cite":{"instrument":"us_40cfr432","title":"40 CFR Part 432 — PART 432—MEAT AND POULTRY PRODUCTS POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=432","source_sha256":"3b1a8b869cb040029bdcb18f0ff232995cfc9774f16112f5700bb1f5cb31daa4","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 432.113 (BAT)","page":null,"quote":"Total Nitrogen 147 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