{"query":{"parameter":"benzene metadisulfonic acid","place":"US-PA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-PA","US"],"parameter_keys":["cas:98-48-6"],"names_matched":[["benzene metadisulfonic acid","cas:98-48-6"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"6a28e6ca99732d17","parameter":"BENZENE METADISULFONIC ACID","value":"1600000","value_num":1600000,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:98-48-6","place":["US-PA"],"conditions":[],"cite":{"instrument":"us_pa_wqs","title":"25 Pa. Code §93.8c Table 5 (water quality criteria for toxic substances) and §93.7 Table 3 (specific water quality criteria) — Pennsylvania","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection)","edition":"Pennsylvania Code as served 2026-10-09: §93.8c amended December 19, 2025, effective December 20, 2025, 55 Pa.B. 8596; §93.7 rows name their own page","source_url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/025/chapter93/s93.8c.html","source_sha256":"9f8f9a0d4da400c55be6373f6a6482b24c4fab5c9a4d0c445f3f55c33a799beb","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"25 Pa. Code §93.8c Table 5 (criteria continuous concentration (CCC))","page":null,"quote":"D BENZENE METADISULFONIC ACID 98486 1600000 2600000 N/A -"}},{"id":"49d85a05653e1f3d","parameter":"BENZENE METADISULFONIC ACID","value":"2600000","value_num":2600000,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:98-48-6","place":["US-PA"],"conditions":[],"cite":{"instrument":"us_pa_wqs","title":"25 Pa. Code §93.8c Table 5 (water quality criteria for toxic substances) and §93.7 Table 3 (specific water quality criteria) — Pennsylvania","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection)","edition":"Pennsylvania Code as served 2026-10-09: §93.8c amended December 19, 2025, effective December 20, 2025, 55 Pa.B. 8596; §93.7 rows name their own page","source_url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/025/chapter93/s93.8c.html","source_sha256":"9f8f9a0d4da400c55be6373f6a6482b24c4fab5c9a4d0c445f3f55c33a799beb","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"25 Pa. Code §93.8c Table 5 (criteria maximum concentration (CMC))","page":null,"quote":"D BENZENE METADISULFONIC ACID 98486 1600000 2600000 N/A -"}}],"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-PA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"benzene metadisulfonic acid\", 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-PA"},"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"}]}