{"query":{"parameter":"mercury","place":"US-LA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-LA","US"],"parameter_keys":["cas:7439-97-6","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","name:cadmium (h), copper (h), mercury, lead (h), zinc","cas:7487-94-7","name:mercury (+2)","cas:62-38-4","name:mercury ii","name:mercury, including methylmercury","name:mercury, total","name:mercury, total in water","name:mercury - total - methyl-","name:mercury, total recoverable","name:mercury - total - total","cas:22967-92-6","name:total mercury","name:mercure total"],"names_matched":[["mercury","cas:7439-97-6"],["arsenic cadmium h copper h lead h mercury zinc h","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["cadmium h copper h mercury lead h zinc h","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["mercuric chloride and other mercury salts","cas:7487-94-7"],["mercury 2 total recoverable","name:mercury (+2)"],["mercury acetato o phenyl","cas:62-38-4"],["mercury ii","name:mercury ii"],["mercury ii dissolved","name:mercury ii"],["mercury including methylmercury","name:mercury, including methylmercury"],["mercury total","name:mercury, total"],["mercury total in water","name:mercury, total in water"],["mercury total methyl","name:mercury - total - methyl-"],["mercury total recoverable","name:mercury, total recoverable"],["mercury total total","name:mercury - total - total"],["methyl mercury","cas:22967-92-6"],["total mercury freshwater","name:total mercury"],["total mercury marine","name:total mercury"],["mercure total hg","name:mercure total","mercure"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":4,"names":["~Phenylmercuric Acetate"],"says":"4 rows share a parameter key with a longer name holding \"mercury\" but are printed under names without these words (that key is wider than the name): not sent. Ask for one by its name or CAS number."}},"total":365,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"c76d64382d72a9e7","parameter":"Mercury (and compounds) [1]","value":"25.0","value_num":25,"unit":"lb/yr","direction":"max","kind":"threshold","medium":"air_emission","level":"regional","parameter_key":"cas:7439-97-6","place":["US-LA"],"conditions":["the source is a major source of toxic air pollutants (5103)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.1 Class II","page":null,"quote":"Mercury (and compounds) [1] 7439-97-6  25.0"}},{"id":"6dc491dedf9476b1","parameter":"Mercury (and compounds) [1]","value":"1.19","value_num":1.19,"unit":"µg/m³","statistic":"eight_hour_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:7439-97-6","place":["US-LA"],"conditions":["a major source at or above the minimum emission rate demonstrates it (5109.B)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.2 Class II","page":null,"quote":"Mercury (and compounds) [1] 7439-97-6 II 1.19"}},{"id":"71da32fd3ad06eea","parameter":"Arsenic, Cadmium (H), Copper (H), Lead (H), Mercury, Zinc (H)","value":"Report Values","kind":"benchmark","medium":"water_discharge","level":"regional","stream":"stormwater","parameter_key":"name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","place":["US-LA"],"conditions":["coverage is LAR050000","stream is stormwater","sector is G","G3: Discharges from Molybdenum Mining Facilities"],"cite":{"instrument":"us_la_lar050000","title":"LPDES Multi-Sector General Permit LAR050000 — storm water discharges associated with industrial activity (AI# 86163)","issuer":"Louisiana Department of Environmental Quality (LDEQ)","edition":"October 2021 (modified pages)","source_url":"https://www.deq.louisiana.gov/ (LDEQ general permit LAR050000, October 2021, held in the 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October 2021, held in the corpus)","source_sha256":"d8dcaa388df45cc4e55bc3b04b2e77808a244d52dba7faeac287f4d24bde3251","fetched_at":"2026-09-23","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 3","page":37,"quote":null}},{"id":"ee2a07337f406f09","parameter":"Total Mercury (freshwater)","value":"0.0014 mg/L","value_num":0.0014,"unit":"mg/L","direction":"max","kind":"benchmark","medium":"water_discharge","level":"regional","stream":"stormwater","parameter_key":"name:total mercury","place":["US-LA"],"conditions":["coverage is LAR050000","stream is stormwater","sector is G","sic in 1011, 1021, 1031, 1041, 1044, 1061, 1081, 1094, 1099","receiving_water is freshwater"],"cite":{"instrument":"us_la_lar050000","title":"LPDES Multi-Sector General Permit LAR050000 — storm water discharges associated with industrial activity (AI# 86163)","issuer":"Louisiana Department of Environmental Quality (LDEQ)","edition":"October 2021 (modified 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Quality (LDEQ)","edition":"October 2021 (modified pages)","source_url":"https://www.deq.louisiana.gov/ (LDEQ general permit LAR050000, October 2021, held in the corpus)","source_sha256":"d8dcaa388df45cc4e55bc3b04b2e77808a244d52dba7faeac287f4d24bde3251","fetched_at":"2026-09-23","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 3","page":36,"quote":null}},{"id":"8f2104ad6316281e","parameter":"Total Mercury (freshwater)","value":"0.0014 mg/L","value_num":0.0014,"unit":"mg/L","direction":"max","kind":"benchmark","medium":"water_discharge","level":"regional","stream":"stormwater","parameter_key":"name:total mercury","place":["US-LA"],"conditions":["coverage is LAR050000","stream is stormwater","sector is K","ALL – Industrial Activity Code “HZ”. 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MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 415.63 (BAT)","page":null,"quote":"Mercury (T) 0.00023 0.00010"}},{"id":"52e3d4999d0dd780","parameter":"Mercury (T)","value":"0.00010","value_num":0.0001,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7439-97-6","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart F—Chlor-alkali Subcategory (Chlorine and Sodium or Potassium Hydroxide Production)","existing sources (BAT)","table: Subpart 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