{"query":{"parameter":"polychlorinated biphenyls","place":"US-DC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-DC","US"],"parameter_keys":["cas:1336-36-3","name:pcbs - total","name:pcbs, total","name:polychlorinated biphenyls pcbs","name:polychlorinated biphenyls, pcbs","name:polychlorinated biphenyls, total","name:dioxins, furans and dioxin-like pcbs","cas:53469-21-9"],"names_matched":[["polychlorinated biphenyls","cas:1336-36-3"],["pcbs total polychlorinated biphenyls","name:pcbs - total"],["pcbs total polychlorinated biphenyls","name:pcbs, total"],["polychlorinated biphenyls pcbs","name:polychlorinated biphenyls pcbs"],["polychlorinated biphenyls pcbs","name:polychlorinated biphenyls, pcbs"],["polychlorinated biphenyls total","name:polychlorinated biphenyls, total"],["polychlorinated biphenyls total pcbs","name:polychlorinated biphenyls, total"],["dioxins furans and dioxin like pcbs","name:dioxins, furans and dioxin-like pcbs","pcbs"],["pcbs total","name:pcbs - total","pcbs"],["pcbs total","name:pcbs, total","pcbs"],["total pcbs","cas:53469-21-9","pcbs"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order; rows for a marine receiving water after the rest, as none of the place's own rows names a marine, salt, estuarine, coastal or ocean water","not_sent":{"rows":4,"names":["~Aroclor 1242"],"says":"4 rows share a parameter key with a longer name holding \"polychlorinated biphenyls\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"polychlorinated biphenyls\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":15,"offset":0,"returned":15,"next_offset":null,"rows":[{"id":"bf68ae5a41dd5039","parameter":"Polychlorinated Biphenyls (PCB)","value":"0.014","value_num":0.014,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:1336-36-3","place":["US-DC"],"conditions":["receiving_water is freshwater","Class C waters (protection and propagation of fish, shellfish, and wildlife; 21 DCMR 1101.1)"],"cite":{"instrument":"us_dc_wqs","title":"District of Columbia Water Quality Standards, 21 DCMR Chapter 11: §1104.8 Tables 1-3 (conventional constituents; Class C aquatic life CMC/CCC and Class D human health criteria for metals and organics)","issuer":"District of Columbia, Department of Energy and Environment","edition":"21 DCMR Chapter 11 as US EPA posts it in effect for CWA purposes (EPA's page lists it 'Effective December 17, 2025'; the posted file is dated 2025-06)","source_url":"https://www.epa.gov/system/files/documents/2025-06/dc_wqs.pdf","source_sha256":"a156fb1d7d915143baca625f2d21999f2cffde52ded465302748658d490501d5","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"21 DCMR 1104.8 Table 3","page":17,"quote":null}},{"id":"339be2a2d5500b1c","parameter":"Polychlorinated Biphenyls (PCB)","value":"0.000064, b","value_num":0.000064,"unit":"µg/L","statistic":"thirty_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:1336-36-3","place":["US-DC"],"conditions":["receiving_water is freshwater","Class D waters (protection of human health related to consumption of fish and shellfish; 21 DCMR 1101.1)"],"cite":{"instrument":"us_dc_wqs","title":"District of Columbia Water Quality Standards, 21 DCMR Chapter 11: §1104.8 Tables 1-3 (conventional constituents; Class C aquatic life CMC/CCC and Class D human health criteria for metals and organics)","issuer":"District of Columbia, Department of Energy and Environment","edition":"21 DCMR Chapter 11 as US EPA posts it in effect for CWA purposes (EPA's page lists it 'Effective December 17, 2025'; the posted file is dated 2025-06)","source_url":"https://www.epa.gov/system/files/documents/2025-06/dc_wqs.pdf","source_sha256":"a156fb1d7d915143baca625f2d21999f2cffde52ded465302748658d490501d5","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"21 DCMR 1104.8 Table 3","page":17,"quote":null}},{"id":"c2414b35b4c492ff","parameter":"Total PCBs (sum of all PCB isomers, or all Aroclors)","value":"0.10","value_num":0.1,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS.","8 This standard is temporarily deferred for soil exhibiting a hazardous characteristic due to D004-D011 only."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Organic Constituents, wastewater standard","page":null,"quote":"Total PCBs (sum of all PCB isomers, or all Aroclors) 8 1336-36-3 0.10 10"}},{"id":"75360f78b031ceb3","parameter":"Total PCBs (sum of all PCB isomers, or all Aroclors)","value":"10","value_num":10,"unit":"mg/kg","statistic":"instant","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS.","8 This standard is temporarily deferred for soil exhibiting a hazardous characteristic due to D004-D011 only."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Organic Constituents, nonwastewater standard","page":null,"quote":"Total PCBs (sum of all PCB isomers, or all Aroclors) 8 1336-36-3 0.10 10"}},{"id":"91ae53526c691f10","parameter":"Polychlorinated biphenyls","value":"0.0005","value_num":0.0005,"unit":"mg/l","direction":"max","kind":"limit","medium":"drinking_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["40 CFR 141.2: Maximum contaminant level means the maximum permissible level of a contaminant in water which is delivered to any user of a public water system."],"cite":{"instrument":"us_npdwr","title":"40 CFR Part 141 — National Primary Drinking Water Regulations (eCFR, as of 2026-08-01)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=141","source_sha256":"bd534eb2d8af38e141e1cd6236134a638298fbf14791b30279eeb47d815d7767","fetched_at":"2026-08-29","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"141.61","page":null,"quote":null,"column":"mcl"}},{"id":"ccee13a232f6f5ec","parameter":"Polychlorinated Biphenyls (PCBs)","value":"0.014","value_num":0.014,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","Freshwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Polychlorinated Biphenyls (PCBs) (P) — — 0.014 — 0.03 —"}},{"id":"79cf322c4743c9d0","parameter":"Polychlorinated Biphenyls (PCBs)","value":"0.000064","value_num":0.000064,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","consumption of water + organism: a water designated a drinking-water source and for fish and shellfish (a designated use the state assigns)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Polychlorinated Biphenyls (PCBs) (P) — 0.000064 0.000064 2002"}},{"id":"52c83c7aa1239823","parameter":"Polychlorinated Biphenyls (PCBs)","value":"0.000064","value_num":0.000064,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","consumption of organism only: a water designated for fish and shellfish taken from it, not a drinking-water source (fresh or salt)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Polychlorinated Biphenyls (PCBs) (P) — 0.000064 0.000064 2002"}},{"id":"335c1b1610105830","parameter":"~Polychlorinated Biphenyls (high risk)","value":"0.23","value_num":0.23,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"f745a4b99c6d7e55","parameter":"~Polychlorinated Biphenyls (high risk)","value":"0.94","value_num":0.94,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"0b4f6722d0a34840","parameter":"~Polychlorinated Biphenyls (low risk)","value":"0.0068","value_num":0.0068,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["Protection of Groundwater SSLs: Risk-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"8d39ac1faaa95e6f","parameter":"~Polychlorinated Biphenyls (low risk)","value":"0.078","value_num":0.078,"unit":"mg/kg","direction":"max","kind":"printed_reference","medium":"soil","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["Protection of Groundwater SSLs: MCL-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"ssl","column":"mcl"}},{"id":"049c5ceb5d4398f8","parameter":"~Polychlorinated Biphenyls (low risk)","value":"0.044","value_num":0.044,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"0699c7f30f07336f","parameter":"Polychlorinated Biphenyls (PCBs)","value":"0.03","value_num":0.03,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is marine","Saltwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Polychlorinated Biphenyls (PCBs) (P) — — 0.014 — 0.03 —"}},{"id":"a1f362e6de823a61","parameter":"Polychlorinated Biphenyls (PCBs)","value":"0.000064","value_num":0.000064,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:1336-36-3","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is marine","consumption of organism only: a water designated for fish and shellfish taken from it, not a drinking-water source (fresh or salt)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Polychlorinated Biphenyls (PCBs) (P) — 0.000064 0.000064 2002"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-DC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"polychlorinated biphenyls\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-DC"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}