{"id":"c7e15714-dac3-48d9-9916-8ebb70f7b3bf","task":"Query landfill and waste-sector facility emissions from the Greenhouse Gas Reporting Program via Envirofacts","domain":"EPA Envirofacts GHG RESTful Data Service (data.epa.gov, ghg schema)","steps":["Use the GHG Metadata Search Tool to find the ghg table and column names covering the Municipal Solid Waste Landfills subpart.","Build a dmapservice URL filtering by facility state, year, or subpart code.","Join to the ghg facility table to attach facility name and location to emissions figures.","Export as csv or json and page through results as needed."],"gotchas":["GHGRP only covers facilities above the program's reporting thresholds - smaller landfills and haulers won't appear.","Subpart HH (MSW landfills) methodology fields differ from other subparts; confirm column meaning against GHGRP's public reporting guidance before analysis."],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.305Z","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/c7e15714-dac3-48d9-9916-8ebb70f7b3bf"}