{"permit":"AR0037851","name":"Tokai Carbon GE LLC","state":"AR","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/AR0037851"},"about":[{"label":"What it is","text":"Carbon And Graphite Products (EPA's industry listing)"},{"label":"Where","text":"Altus, Arkansas","href":"https://www.openstreetmap.org/?mlat=35.411889&mlon=-93.771389#map=14/35.411889/-93.771389"},{"label":"Last 12 months","text":"Over a limit 4 times, last in August 2026 (Oil & Grease; pH). 1 of 13 reports filed late"},{"label":"Permit","text":"In force until Dec 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":4,"over_by":[["Oil & Grease",3],["pH",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Oil & Grease","times":3,"find_limits":{"parameter":"oil grease","place":"US-AR","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-AR&medium=water_discharge"},{"parameter":"pH","times":1,"find_limits":{"parameter":"ph","place":"US-AR","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-AR&medium=surface_water"}],"limits":[{"outfall":"003","parameter":"Oxygen demand, chem. 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[low level] [COD]","parameter_code":"00335","statistic":"daily maximum","qualifier":"<=","value":"111.3","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"29.7","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"44.5","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Oil & Grease","parameter_code":"00556","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Oil & Grease","parameter_code":"00556","statistic":"monthly average","qualifier":"<=","value":"14.8","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"22.3","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"},{"outfall":"003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"003-Mothly Non Contact CW & Cooling Tower BD"}],"next":[{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"oil grease","place":"US-AR","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-AR&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-AR&medium=water_discharge","page":"https://passage-data.com/limits/US-AR/oil-grease"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"AR0037851"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=AR0037851"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"AR0037851"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=AR0037851"}]}