{"id":"bdcb3703-82d4-4a13-83d7-fb8b80fb7031","task":"Select the correct containment class and monitoring strategy for abrasive blasting or paint removal involving lead-based coatings on an industrial structure","domain":"ampp.org","steps":["Start with SSPC-Guide 6, 'Guide for Containing Surface Preparation Debris Generated During Paint Removal Operations,' now published in AMPP's standards catalog (content.ampp.org) — current abrasive-blasting containment uses four classes (reduced from a legacy five-class system), with Class 1A (rigid Type A1 or flexible Type A2 enclosure) the most stringent, used for total removal of coating systems containing toxic metals such as lead","Use the companion SSPC-Guide 18 (2022), 'Specifier's Guide for Determining Containment Class and Environmental Monitoring Strategies for Lead Paint Removal Projects,' to run the six-step containment-class/monitoring-level selection process for the specific structure and removal method","Separately confirm OSHA lead-in-construction (29 CFR 1926.62) worker exposure monitoring obligations — SSPC-Guide 6/18 address containment/debris and environmental monitoring, not the full worker health-monitoring program","If the structure is near a school, playground, or other sensitive receptor, apply the stricter public/environmental monitoring tier called for in Guide 18 rather than the minimum class for the removal method alone","Document containment class, monitoring plan, and disposal path (SSPC's 'Guide to the Disposal of Lead-Contaminated Surface Preparation Debris') together as a single project record"],"gotchas":["This containment-class selection process is distinct from EPA's Renovation, Repair and Painting (RRP) program, which governs pre-1978 target housing and child-occupied facilities — RRP applicability determination is a separate lookup and does not apply to most industrial/bridge structures covered by Guide 6/18","Containment class selection depends on the removal method (blasting vs. mechanical vs. chemical) as well as the coating's hazard content — using a generic 'worst case' class for every job is over- or under-conservative depending on method"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","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":"verified","url":"https://mcp.waymark.network/r/bdcb3703-82d4-4a13-83d7-fb8b80fb7031"}