{"query":{"parameter":"isophorone","place":"US-NJ","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NJ","US"],"parameter_keys":["cas:78-59-1","cas:4098-71-9","cas:53880-05-0","cas:2855-13-2","cas:55954-19-3"],"names_matched":[["isophorone","cas:78-59-1"],["diisocyanate d isophorone","cas:4098-71-9"],["homopolymere de diisocyanate d isophorone","cas:53880-05-0"],["isophorone diamine","cas:2855-13-2"],["isophorone diaminea","cas:2855-13-2"],["isophorone diisocyanate","cas:4098-71-9"],["isophorone diisocyanate caprolactam adduct 1 2","cas:55954-19-3"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":14,"offset":0,"returned":14,"next_offset":null,"rows":[{"id":"07eea8699df96d88","parameter":"Isophorone","value":"40","value_num":40,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["Class II-A ground water (potable water; Class II-B takes the Class II-A criteria, N.J.A.C. 7:9C-1.7(d)); Class I-A and I-PL hold natural or background quality instead (1.7(a)-(b)), Class III-A the adjacent classification's criteria (1.7(e)) and Class III-B criteria set case by case (1.7(f))"],"cite":{"instrument":"us_nj_gwqs","title":"N.J.A.C. 7:9C — Ground Water Quality Standards, Appendix Tables 1 and 2 (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:9C as the Department publishes it (courtesy copy): re-adopted January 28, 2021, last amended March 17, 2026 (58 N.J.R. 1664(a)); file last modified 2026-06-15","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_9c.pdf","source_sha256":"433d7e52575bf179dd820c13a17c52db3a67a20126c0de365c034be0bb3a4d4a","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:9C Appendix Table 1, Specific Ground Water Quality Criteria - Class II-A","page":26,"quote":null}},{"id":"69bdacf1f02d1c53","parameter":"Isophorone","value":"570","value_num":570,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["a site whose anticipated use is residential","a site under remediation in New Jersey (N.J.A.C. 7:26D; Technical Requirements for Site Remediation, N.J.A.C. 7:26E); an alternative remediation standard (subchapter 8) or interim standard (subchapter 6) may replace it","the standard is the more stringent of the carcinogenic and noncarcinogenic ingestion-dermal human health-based criteria, or the reporting limit where that is greater (N.J.A.C. 7:26D-4.2(a))"],"cite":{"instrument":"us_nj_srs","title":"N.J.A.C. 7:26D — Remediation Standards, Appendix 1 Tables 1-6, soil and soil leachate (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:26D as the Department publishes it (courtesy copy), date last amended September 8, 2026","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_26d.pdf","source_sha256":"0b2473fff570483c22278f72d1eddcd8c3ed643e5d0f3cf829db2fe32cfc7209","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:26D Appendix 1, Table 1 – Soil Remediation Standards for the Ingestion-Dermal Exposure Pathway - Residential","page":30,"quote":null}},{"id":"96eb0ec47f297b4a","parameter":"Isophorone","value":"2,700","value_num":2700,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["a site whose anticipated use is nonresidential","a site under remediation in New Jersey (N.J.A.C. 7:26D; 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Technical Requirements for Site Remediation, N.J.A.C. 7:26E); an alternative remediation standard (subchapter 8) or interim standard (subchapter 6) may replace it","the standard is the greater of the migration to ground water soil criterion and the reporting limit (N.J.A.C. 7:26D-4.4(a))"],"cite":{"instrument":"us_nj_srs","title":"N.J.A.C. 7:26D — Remediation Standards, Appendix 1 Tables 1-6, soil and soil leachate (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:26D as the Department publishes it (courtesy copy), date last amended September 8, 2026","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_26d.pdf","source_sha256":"0b2473fff570483c22278f72d1eddcd8c3ed643e5d0f3cf829db2fe32cfc7209","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:26D Appendix 1, Table 5 – Soil Remediation Standards for the Migration to Ground Water Exposure Pathway","page":51,"quote":null}},{"id":"1f1e0652156858b2","parameter":"Isophorone","value":"800","value_num":800,"unit":"µg/L","direction":"max","kind":"guideline","medium":"leachate","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["a site under remediation in New Jersey (N.J.A.C. 7:26D; Technical Requirements for Site Remediation, N.J.A.C. 7:26E); an alternative remediation standard (subchapter 8) or interim standard (subchapter 6) may replace it","the standard is derived by N.J.A.C. 7:26D Appendix 4, Equation 5 (N.J.A.C. 7:26D-4.4(c))"],"cite":{"instrument":"us_nj_srs","title":"N.J.A.C. 7:26D — Remediation Standards, Appendix 1 Tables 1-6, soil and soil leachate (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:26D as the Department publishes it (courtesy copy), date last amended September 8, 2026","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_26d.pdf","source_sha256":"0b2473fff570483c22278f72d1eddcd8c3ed643e5d0f3cf829db2fe32cfc7209","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:26D Appendix 1, Table 6 – Soil Leachate Remediation Standards for the Migration to Ground Water Exposure Pathway","page":56,"quote":null}},{"id":"4c92b406a4e21e97","parameter":"Isophorone","value":"35(hc)","value_num":35,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["receiving_water is freshwater","FW2 fresh waters (N.J.A.C. 7:9B-1.14(f)7 'Fresh Water (FW2) Criteria'; Pinelands fresh portions as FW2, 1.14(b)2ii)"],"cite":{"instrument":"us_nj_wqs","title":"N.J.A.C. 7:9B-1.14 — Surface Water Quality Standards, surface water quality criteria (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:9B as the Department publishes it (courtesy copy), last amended December 18, 2023","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_9b.pdf","source_sha256":"15d9d3d664a4afb37ce62a7b0bdc68c5f3001a6f17b0b5a0bb0991af9b78ce7d","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:9B-1.14(f)7 (FW2 human health)","page":40,"quote":null}},{"id":"eee60803184f41d7","parameter":"Isophorone","value":"960(hc)","value_num":960,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:78-59-1","place":["US-NJ"],"conditions":["receiving_water is marine","saline waters, SE (estuarine) and SC (coastal) classifications (1.14(f)7 'Saline Water (SE & SC) Criteria')"],"cite":{"instrument":"us_nj_wqs","title":"N.J.A.C. 7:9B-1.14 — Surface Water Quality Standards, surface water quality criteria (New Jersey)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:9B as the Department publishes it (courtesy copy), last amended December 18, 2023","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_9b.pdf","source_sha256":"15d9d3d664a4afb37ce62a7b0bdc68c5f3001a6f17b0b5a0bb0991af9b78ce7d","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"N.J.A.C. 7:9B-1.14(f)7 (SE & SC human health)","page":40,"quote":null}},{"id":"bd935fe8f7037c5c","parameter":"Isophorone","value":"34","value_num":34,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:78-59-1","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); 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