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average","qualifier":"<=","value":"2.38","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":"<=","value":"3.98","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"30-day average","qualifier":"<=","value":".24","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily maximum","qualifier":"<=","value":".43","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"30-day average","qualifier":"<=","value":"1.48","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":"<=","value":"2.61","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"002","parameter":"Organics, total toxic [TTO]","parameter_code":"78141","statistic":"daily maximum","qualifier":"<=","value":"2.13","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"IA","sic":"35"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IA&sic=35","url":"https://passage-data.com/api/v1/permits?state=IA&sic=35","page":"https://passage-data.com/dmr/s/IA/35"},{"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-IA","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-IA&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-IA&medium=water_discharge","page":"https://passage-data.com/limits/US-IA/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":"IA0076881"},"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=IA0076881"},{"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":"IA0076881"},"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=IA0076881"}]}