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monitoring"},{"outfall":"401","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"PCB-1242","parameter_code":"39496","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"PCB-1254","parameter_code":"39504","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"},{"outfall":"401","parameter":"PCB-1260","parameter_code":"39508","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Part I Section E.6 monitoring"}],"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":"iron","place":"US-DC","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=iron&place=US-DC&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=iron&place=US-DC&medium=surface_water","page":"https://passage-data.com/limits/US-DC/iron"},{"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":"DC0000094"},"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=DC0000094"},{"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":"DC0000094"},"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=DC0000094"}]}