{"query":{"parameter":"polynuclear aromatic hydrocarbons pahs","place":"US-NC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NC","US"],"parameter_keys":["name:polynuclear aromatic hydrocarbons","name:carcinogenic polynuclear aromatic hydrocarbons","name:polynuclear aromatic hydrocarbons, total"],"names_matched":[["polynuclear aromatic hydrocarbons pahs","name:polynuclear aromatic hydrocarbons"],["carcinogenic polynuclear aromatic hydrocarbons pahs","name:carcinogenic polynuclear aromatic hydrocarbons"],["polynuclear aromatic hydrocarbons total pahs","name:polynuclear aromatic hydrocarbons, total"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"09cb9d03050c9213","parameter":"Polynuclear aromatic hydrocarbons (total of all PAHs)","value":"31.1 ng/l","value_num":0.031100000000000003,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:polynuclear aromatic hydrocarbons","place":["US-NC"],"conditions":["all waters: human health from carcinogens, consumption of fish (and shellfish) only (15A NCAC 02B .0208(a)(2)(B))"],"cite":{"instrument":"us_nc_wqs","title":"15A NCAC 02B .0211, .0220 and .0208 — fresh (Class C) and tidal salt (Class SC) surface water quality standards, and human health standards for toxic substances (North Carolina)","issuer":"State of North Carolina, Environmental Management Commission (Department of Environmental Quality)","edition":".0211 readopted eff. November 1, 2019, amended eff. September 1, 2022; .0220 and .0208 as the Office of Administrative Hearings publishes them (fetched 2026-10-09)","source_url":"http://reports.oah.state.nc.us/ncac/title%2015a%20-%20environmental%20quality/chapter%2002%20-%20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0211.pdf","source_sha256":"71176dd337aaa95367f349105621e0b98c11cbe6b451ef41c03f054ff94352b8","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"15A NCAC 02B .0208(a)(2)(B)","page":2,"quote":"(xii) Polynuclear aromatic hydrocarbons (total of all PAHs): 31.1 ng/l"}}],"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-NC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"polynuclear aromatic hydrocarbons pahs\", 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-NC"},"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"}]}