{"query":{"parameter":"ph","place":"US-KS","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-KS","US"],"parameter_keys":["name:ph","cas:68953-84-4","cas:7429-90-5","cas:7439-97-6","cas:56-38-2","name:ph change","name:ph-wert","cas:68951-93-9","cas:68952-93-2","cas:68957-04-0","cas:68037-81-0","cas:63148-58-3"],"names_matched":[["ph","name:ph"],["1 4 benzenediamine n n mixed ph and tolyl derivs","cas:68953-84-4"],["aluminum dissolved ph 6 5 9 0 only","cas:7429-90-5"],["aluminum dissolved ph 6 5 to 9 0 only","cas:7429-90-5"],["mercury ph 4 9","cas:7439-97-6"],["mercury ph 6 8","cas:7439-97-6"],["parathion pentachlorophenol e 1 005 ph 4 869","cas:56-38-2"],["ph change","name:ph change"],["ph change ph","name:ph change"],["ph wert","name:ph-wert"],["polysiloxanes di me di ph hydroxy terminated","cas:68951-93-9"],["siloxanes and silicones di me di ph hydroxy terminated","cas:68951-93-9"],["siloxanes and silicones di me me methoxy methoxy ph polymers with me ph silsesquioxanes","cas:68952-93-2"],["siloxanes and silicones di me methoxy ph polymers with ph silsesquioxanes methoxy terminated","cas:68957-04-0"],["siloxanes and silicones di me methoxy ph polymers with ph silsesquioxanes methoxy terminateda","cas:68957-04-0"],["siloxanes and silicones di ph me ph polymers with me ph silsesquioxanes","cas:68037-81-0"],["siloxanes and silicones me ph","cas:63148-58-3"]],"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":748,"names":["Aluminum","Mercury","Mercury, total","Hg","Parathion","Mercury (T)","Mercury (total)","~Mercury (elemental)"],"says":"748 rows share a parameter key with a longer name holding \"ph\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"ph\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":1792,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"ced5e8c8b75619dc","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the special aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","surface waters not thermally stratified"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Special 5.0 mg/La 6.5-8.5b"}},{"id":"d235208360b62b72","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the expected aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","surface waters not thermally stratified"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Expected 5.0 mg/La 6.5-8.5b"}},{"id":"be140a77eaa072a7","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the restricted aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","surface waters not thermally stratified"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Restricted 5.0 mg/La 6.5-8.5b"}},{"id":"45d5ff10d85ef1b8","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the special aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","thermally stratified lakes or reservoirs"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Special 5.0 mg/La 4.0 mg/La 6.5-8.5b"}},{"id":"9297e658d2d76bc9","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the expected aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","thermally stratified lakes or reservoirs"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Expected 5.0 mg/La 4.0 mg/La 6.5-8.5b"}},{"id":"d884df14c214630f","parameter":"pH","value":"6.5-8.5","range":[6.5,8.5],"unit":"pH units","direction":"range","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:ph","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for the restricted aquatic life use (a water's designated uses: the Kansas surface water register; not evaluated)","thermally stratified lakes or reservoirs"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1g","page":16,"quote":"Restricted 5.0 mg/La 4.0 mg/La 6.5-8.5b"}},{"id":"9107b6a9e7e9609d","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","stream":"sanitary","parameter_key":"name:ph","place":["US"],"conditions":["stream is sanitary","route is direct","a publicly owned treatment works (POTW): the part sets the effluent quality attainable by secondary treatment, which NPDES permits for POTWs carry (40 CFR 133.100, 133.102)","unless the POTW demonstrates that inorganic chemicals are not added as part of treatment and industrial contributions do not move the pH outside 6.0-9.0 (§ 133.102(c))"],"cite":{"instrument":"us_40cfr133","title":"40 CFR Part 133 — Secondary Treatment Regulation","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=133","source_sha256":"9f178f66686e289aea4d4961eee13479c15774e48d25aea14710655d2aeb18f7","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 133.102 (secondary treatment)","page":null,"quote":"(c) pH. The effluent values for pH shall be maintained within the limits of 6.0 to 9.0 unless the publicly owned treatment works demonstrates that: (1) Inorganic chemicals are not added to the waste stream as part of the treatment process; and (2) contributions from industrial sources do not cause the pH of the effluent to be less than 6.0 or greater than 9.0."}},{"id":"0ee265873dfdedf6","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart A—Receiving Stations Subcategory","existing sources (BPT)","(a) For receiving stations receiving more than 150,000 lb/day of milk equivalent (15,600 lb/day or more of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.12 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"79d8fde99047cc76","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart A—Receiving Stations Subcategory","existing sources (BPT)","(b) For receiving stations receiving 150,000 lb/day or less of milk equivalent (under 15,600 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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subject to the provisions of this subpart:"],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.15 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"581ddccc32e165e6","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart B—Fluid Products Subcategory","existing sources (BPT)","(a) For fluid products plants receiving more than 250,000 lb/day of milk equivalent (more than 25,900 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.22 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"47f0c28d7265cfdf","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart B—Fluid Products Subcategory","existing sources (BPT)","(b) For fluid products plants receiving 250,000 lb/day or less of milk equivalent (less than 25,900 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.22 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"f2526749cb69133e","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart B—Fluid Products Subcategory","new sources (NSPS)"],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.25 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"306210452df5e876","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart C—Cultured Products Subcategory","existing sources (BPT)","(a) For cultured products plants receiving more than 60,000 lb/day of milk equivalent (more than 6,200 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.32 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"dc62ea1ae2879f64","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart C—Cultured Products Subcategory","existing sources (BPT)","(b) For cultured products plants receiving 60,000 lb/day or less of milk equivalent (less than 6,200 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.32 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"c49bf2896a46e5a8","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart C—Cultured Products Subcategory","new sources (NSPS)","The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:"],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.35 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"6f5bda498dacb6a3","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH 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)"}},{"id":"13227d999a307e2f","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart D—Butter Subcategory","new sources (NSPS)","The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:"],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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subpart:"],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.75 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"c5f908b966f216ad","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart H—Ice Cream, Frozen Desserts, Novelties and Other Dairy Desserts Subcategory","existing sources (BPT)","(a) For plants with a dairy products input of more than 85,000 lb/day of milk equivalent (more than 8,830 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.82 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"c88fd55abc69f4c0","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart H—Ice Cream, Frozen Desserts, Novelties and Other Dairy Desserts Subcategory","existing sources (BPT)","(b) For plants with a dairy products input of 85,000 lb/day or less of milk equivalent (less than 8,830 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.82 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"28e7c6ffd8eb4f37","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is 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)"}},{"id":"c5ab6fd40cbb6c3d","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart I—Condensed Milk Subcategory","existing sources (BPT)","(b) For plants condensing 100,000 lb/day or less of milk equivalent (less than 10,390 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.92 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subject to the provisions of this subpart."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.105 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"ee1d3e0dbc642b12","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart K—Condensed Whey Subcategory","existing sources (BPT)","(a) For whey condensing plants with over 300,000 lb/day of fluid raw whey input (over 20,700 lb/day of solids or 14,160 lb/day of BOD 5 input)."],"cite":{"instrument":"us_40cfr405","title":"40 CFR Part 405 — PART 405—DAIRY PRODUCTS PROCESSING 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=405","source_sha256":"aa9ac14c0ef8e5cffe6bfb5a5368ab853aa9128404ac004a3de7bc0bab0c24bd","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 405.112 (BPT)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"7749ca50b465e7bb","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 405","the discharge is of the Subpart K—Condensed Whey 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subpart:"],"cite":{"instrument":"us_40cfr406","title":"40 CFR Part 406 — PART 406—GRAIN MILLS 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=406","source_sha256":"28dbdea077be653555fa562c999b78c741237e57d5b8efc8606d183ce33279da","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 406.15 (NSPS)","page":null,"quote":"pH ( 1 ) ( 1 )"}},{"id":"8a35fcaea8353f25","parameter":"pH","value":"6.0 to 9.0","range":[6,9],"unit":"pH units","direction":"range","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:ph","place":["US"],"conditions":["route is direct","cites is 40 CFR 406","the discharge is of the Subpart A—Corn Wet Milling Subcategory","existing sources (BCT)","(a) Subject to the provisions in paragraph (b) of this section, the following 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