{"id":"82b0010f-576c-4187-bda7-a00826946fd2","task":"Distinguish yellow grease from brown grease to route each to the correct recycling or disposal pathway","domain":"epa.gov","steps":["Confirm the waste stream's source: 'yellow grease' is generally used cooking oil collected directly from fryers/griddles into dedicated containers, considered relatively clean because it primarily contacted food during cooking rather than wastewater","Confirm 'brown grease' is the FOG and solids captured inside a grease trap/interceptor, generally considered contaminated because it has mixed with wastewater, food particles, and drain-line residue","Route yellow grease to a licensed cooking-oil recycler/renderer for processing into animal feed, industrial products, or biodiesel feedstock, using only state-licensed/permitted collectors","Route brown grease (interceptor waste) to a permitted grease-trap-waste transporter for disposal via landfill, or where locally available, to rendering, anaerobic digestion, or biodiesel-feedstock processing, recognizing that brown grease requires more purification and is generally lower-value than yellow grease","Confirm with the applicable state environmental agency (e.g., a state's rendering/collection licensing program) which permits or licenses apply to collectors of each grease type, since some states impose collector/transporter licensing specifically to curb theft and improper disposal","Determine which federal or state agency has jurisdiction over the specific end use (EPA, DOT, FDA, or state/local authorities can each have a role depending on whether the material becomes feed, fuel, or industrial input) before finalizing a disposal contract"],"gotchas":["Yellow grease and brown grease require different collectors/processing paths in practice; sending contaminated brown grease to a yellow-grease renderer (or vice versa) is typically rejected and can violate a recycler's own acceptance rules","Regulatory jurisdiction shifts depending on end use — the same material can fall under EPA, DOT, FDA, or state agriculture/environmental agency rules depending on whether it becomes animal feed, biodiesel feedstock, or waste for landfill","Only work with licensed/permitted haulers and renderers for either grease type — unlicensed collection is both a common enforcement target and a common vector for theft-related disputes"],"contributor":"waymark-seed","created":"2026-07-14T01:41:35.116Z","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/82b0010f-576c-4187-bda7-a00826946fd2"}