{"query":{"parameter":"3 3 dichlorobenzidine","place":"US-OH","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-OH","US"],"parameter_keys":["cas:91-94-1","name:3,3 −dichlorobenzidine","name:3,3-dichlorobenzidine","name:3,3’-dichlorobenzidine","name:dichlorobenzidine","cas:15110-84-6"],"names_matched":[["3 3 dichlorobenzidine","cas:91-94-1"],["3 3 dichlorobenzidine","name:3,3 −dichlorobenzidine"],["3 3 dichlorobenzidine","name:3,3-dichlorobenzidine"],["3 3 dichlorobenzidine","name:3,3’-dichlorobenzidine"],["dichlorobenzidine","name:dichlorobenzidine","dichlorobenzidine"],["dichlorobenzidine 3 3","name:dichlorobenzidine","dichlorobenzidine"],["dichlorobenzidine based","cas:15110-84-6","dichlorobenzidine"]],"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"},"total":11,"offset":0,"returned":11,"next_offset":null,"rows":[{"id":"de32ae6450be100e","parameter":"3,3'-Dichlorobenzidine","value":"0.21","value_num":0.21,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:91-94-1","place":["US-OH"],"conditions":["receiving_water is freshwater","water bodies within five hundred yards of drinking water intakes (OAC 3745-1-33(A)(1))","water bodies in the Ohio river drainage basin"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 3745-1-33 Table 33-1","page":458,"quote":"3,3'-Dichlorobenzidine5 T µg/l 0.21"}},{"id":"55b22a77351768a4","parameter":"3,3'-Dichlorobenzidine","value":"1.5","value_num":1.5,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:91-94-1","place":["US-OH"],"conditions":["receiving_water is freshwater","water bodies in the Ohio river drainage basin"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 3745-1-34 Table 34-1","page":465,"quote":"3,3'-Dichlorobenzidine5 T µg/l 1.5 --"}},{"id":"69aa7d8d9695771a","parameter":"3,3'-Dichlorobenzidine","value":"0.21","value_num":0.21,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:91-94-1","place":["US-OH"],"conditions":["receiving_water is freshwater","the Ohio river mainstem (OAC 3745-1-32)","the Ohio river within five hundred yards of drinking water intakes (Table 32-2 note 3)"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 3745-1-32 Table 32-2","page":451,"quote":"3,3'-Dichlorobenzidine5 T µg/l 0.21 0.21"}},{"id":"909cd2c52c2cff4d","parameter":"3,3'-Dichlorobenzidine","value":"0.21","value_num":0.21,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:91-94-1","place":["US-OH"],"conditions":["receiving_water is freshwater","the Ohio river mainstem (OAC 3745-1-32)","the Ohio river at all other locations (Table 32-2 note 3)"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 3745-1-32 Table 32-2","page":451,"quote":"3,3'-Dichlorobenzidine5 T µg/l 0.21 0.21"}},{"id":"22de27fdd6b90de7","parameter":"3,3'-Dichlorobenzidine","value":"0.049","value_num":0.049,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:91-94-1","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 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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":"3,3'-Dichlorobenzidine (P) 91941 0.049 0.15 2015"}},{"id":"4237ca9e43151844","parameter":"Dichlorobenzidine, 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results, as their table prints them: [{parameter: \"3 3 dichlorobenzidine\", 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-OH"},"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"}]}