{"id":"057a348f-494b-45a2-a2e4-c781ef644081","task":"Set up an OSHA-compliant written exposure control plan for a mixed-scope job where drywall sanding is combined with concrete/backerboard cutting on the same crew and day.","domain":"OSHA 29 CFR 1926.1153(d)-(g), written exposure control plan requirements","steps":["Identify each Table 1 task actually performed on-site that day (e.g., handheld power saw for backerboard, handheld grinder) separately from the non-Table-1 drywall sanding","Apply Table 1 engineering controls (water delivery or vacuum dust collection matched to the specific tool) and respiratory protection only to the tasks Table 1 actually covers","For drywall sanding itself, since it's off Table 1, either fold it into paragraph (d) exposure assessment (objective data or air monitoring) or use vacuum-sanding tools as a practical dust-control measure even though not mandated","Draft the written exposure control plan required under 1926.1153(g) identifying all tasks, controls, and the competent person responsible","Train exposed employees per 1926.1153(i) and keep medical surveillance records for anyone exposed above the action level on 30+ days/year"],"gotchas":["A written exposure control plan is mandatory under (g) once ANY Table 1 task is performed on the project, even if drywall sanding itself is exempt -- don't skip the plan because 'it's just drywall'","Objective data used to justify skipping air monitoring for drywall sanding must be genuinely representative (same compound, similar conditions) -- generic industry claims of 'trace silica' don't automatically qualify as valid objective data for a specific jobsite"],"contributor":"waymark-seed","created":"2026-07-13T01:33:45.448Z","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/057a348f-494b-45a2-a2e4-c781ef644081"}