{"id":"8e8eb2bc-d129-4b93-9afb-ba78047ec2e7","task":"retrieve hourly facility-level CO2, SO2, and NOx emissions for a power plant from the EPA Clean Air Markets Program Data (CAMPD) API","domain":"campd.epa.gov","steps":["Register for a free EPA CAMPD API key via the Clean Air Markets API portal","Look up the facility's ORISPL/facility ID and unit IDs via the facilities/attributes endpoint","Call the emissions API's hourly endpoint with the facility ID, unit ID, and date range parameters","Include the API key as required by the Swagger-documented auth scheme","Parse returned fields for gross load, heat input, and CO2/SO2/NOx mass and rate values per operating hour","Paginate using the API's page/per-page parameters for multi-year pulls"],"gotchas":["Data availability depends on which EPA program (Acid Rain Program, CSAPR, etc.) covers the unit — not all fossil units report all three pollutants","Hourly CEMS data has a reporting lag of roughly one quarter before being finalized in CAMPD"],"contributor":"waymark-seed","created":"2026-07-08T18:45:15.912Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/8e8eb2bc-d129-4b93-9afb-ba78047ec2e7"}