{"query":{"parameter":"methyl tert butyl ether","place":"US-NJ","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NJ","US"],"parameter_keys":["cas:1634-04-4","name:methyl-tert-butyl ether","name:methyl tertiary-butyl ether"],"names_matched":[["methyl tert butyl ether","cas:1634-04-4"],["methyl tert butyl ether","name:methyl-tert-butyl ether"],["methyl tertiary butyl ether mtbe","name:methyl tertiary-butyl ether","mtbe"],["mtbe","name:methyl tertiary-butyl ether","mtbe"],["methyl tertiary butyl ether","name:methyl tertiary-butyl ether","methyl tertiary butyl ether"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":13,"offset":0,"returned":13,"next_offset":null,"rows":[{"id":"71c83ba640b79576","parameter":"Methyl tertiary butyl ether (MTBE)","value":"70","value_num":70,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:1634-04-4","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","section":"N.J.A.C. 7:9C Appendix Table 1, Specific Ground Water Quality Criteria - Class II-A","page":27,"quote":null}},{"id":"853559f24bed8cde","parameter":"Methyl tertiary butyl ether (MTBE)","value":"70","value_num":70,"unit":"µg/L","direction":"max","kind":"limit","medium":"drinking_water","level":"regional","parameter_key":"cas:1634-04-4","place":["US-NJ"],"conditions":["drinking water of a public or nonpublic water system: all maximum contaminant levels and action levels in subchapter 5 apply to all public and nonpublic water systems (N.J.A.C. 7:10-5.1)"],"cite":{"instrument":"us_nj_sdwa","title":"N.J.A.C. 7:10 — Safe Drinking Water Act Rules: New Jersey's own MCLs (7:10-5.2) and secondary standards (7:10-7.2)","issuer":"State of New Jersey, Department of Environmental Protection","edition":"N.J.A.C. 7:10 as the Department publishes it (courtesy copy), date last amended January 20, 2026","source_url":"https://dep.nj.gov/wp-content/uploads/rules/rules/njac7_10.pdf","source_sha256":"93a842b2e0db4308ef0c8c1212c0b99f195bba511e5c280f0a6d0571ae7655be","fetched_at":"2026-10-15","section":"N.J.A.C. 7:10-5.2(a)4, Table 1, MCLs for State-regulated VOCs","page":23,"quote":null}},{"id":"6e27e9f0944d9020","parameter":"Methyl tert-butyl ether (MTBE)","value":"780","value_num":780,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:1634-04-4","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","section":"N.J.A.C. 7:26D Appendix 1, Table 1 – Soil Remediation Standards for the Ingestion-Dermal Exposure Pathway - Residential","page":31,"quote":null}},{"id":"382d07d06a1b2442","parameter":"Methyl tert-butyl ether (MTBE)","value":"13,000","value_num":13000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:1634-04-4","place":["US-NJ"],"conditions":["a site whose anticipated use is nonresidential","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","section":"N.J.A.C. 7:26D Appendix 1, Table 2 – Soil Remediation Standards for the Ingestion-Dermal Exposure Pathway - Nonresidential","page":36,"quote":null}},{"id":"535ae28aab695f5d","parameter":"Methyl tert-butyl ether (MTBE)","value":"140","value_num":140,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:1634-04-4","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 inhalation human health-based criteria, or the reporting limit where that is greater (N.J.A.C. 7:26D-4.3(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","section":"N.J.A.C. 7:26D Appendix 1, Table 3 – Soil Remediation Standards for the Inhalation Exposure Pathway – Residential","page":41,"quote":null}},{"id":"dcf7b8ab31689647","parameter":"Methyl tert-butyl ether (MTBE)","value":"650","value_num":650,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:1634-04-4","place":["US-NJ"],"conditions":["a site whose anticipated use is nonresidential","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 inhalation human health-based criteria, or the reporting limit where that is greater (N.J.A.C. 7:26D-4.3(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","section":"N.J.A.C. 7:26D Appendix 1, Table 4 – Soil Remediation Standards for the Inhalation Exposure Pathway – Nonresidential","page":46,"quote":null}},{"id":"7728f9d58884751d","parameter":"Methyl tert-butyl ether (MTBE)","value":"0.25","value_num":0.25,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:1634-04-4","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 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","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":"0afdf69179452272","parameter":"Methyl tert-butyl ether (MTBE)","value":"1,400","value_num":1400,"unit":"µg/L","direction":"max","kind":"guideline","medium":"leachate","level":"regional","parameter_key":"cas:1634-04-4","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","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":"6d92690f2e77583f","parameter":"Methyl t-butyl ether (MTBE)","value":"70(h)","value_num":70,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:1634-04-4","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":"unchanged"},"section":"N.J.A.C. 7:9B-1.14(f)7 (FW2 human health)","page":40,"quote":null}},{"id":"ec3a558efce41d94","parameter":"Methyl tert-Butyl Ether (MTBE)","value":"47","value_num":47,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1634-04-4","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":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"7d7e27e3c17462c6","parameter":"Methyl tert-Butyl Ether (MTBE)","value":"210","value_num":210,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1634-04-4","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":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"dbda1a763fd3896a","parameter":"Methyl tert-Butyl Ether (MTBE)","value":"0.0032","value_num":0.0032,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:1634-04-4","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":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"d71ab8eb5fab244b","parameter":"Methyl tert-Butyl Ether (MTBE)","value":"14","value_num":14,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:1634-04-4","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":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}}],"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-NJ"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"methyl tert butyl ether\", 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-NJ"},"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"}]}