{"query":{"parameter":"methyl acetate","place":"US-MA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-MA","US"],"parameter_keys":["cas:79-20-9","cas:624-41-9","cas:54626-91-4","cas:43127-23-7","cas:26781-49-7","cas:108-84-9","cas:93-92-5","cas:70914-12-4","cas:3724-55-8"],"names_matched":[["methyl acetate","cas:79-20-9"],["1 butanol 2 methyl acetate","cas:624-41-9"],["2 methyl 2 propenoic acid methyl ester polymer with ethenol and ethenyl acetate","cas:54626-91-4"],["2 propenoic acid 2 methyl 2 dimethylamino ethyl ester homopolymer acetate","cas:43127-23-7"],["2 propenoic acid 2 methyl methyl ester polymer with ethenol and ethenyl acetate","cas:54626-91-4"],["2 propenoic acid 2 methyl oxiranylmethyl ester polymer with chloroethene and ethenyl acetate","cas:26781-49-7"],["4 methyl 2 pentanol acetate","cas:108-84-9"],["benzenemethanol alpha methyl 1 acetate","cas:93-92-5"],["benzenemethanol alpha methyl acetate","cas:93-92-5"],["dimethyl methyl polyethylene oxide acetate capped siloxane","cas:70914-12-4"],["methyl 2 butyle acetate de","cas:624-41-9"],["methyl vinyl acetate","cas:3724-55-8"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":4,"offset":0,"returned":4,"next_offset":null,"rows":[{"id":"56e7038bba52caf0","parameter":"Methyl Acetate","value":"78000","value_num":78000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:79-20-9","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":"5e7892d33b21e8a5","parameter":"Methyl Acetate","value":"1200000","value_num":1200000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:79-20-9","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":"7391a1f50044e853","parameter":"Methyl Acetate","value":"4.1","value_num":4.1,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:79-20-9","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":"1cd84428b729cf24","parameter":"Methyl Acetate","value":"20000","value_num":20000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:79-20-9","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"}}],"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-MA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"methyl acetate\", 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-MA"},"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"}]}