Medical / blood · SAG-AFTRA
Any production using practical blood effects — squibs with blood charges, bladder-controlled bleed effects, body-fluid simulations — must follow Bulletin #38 in addition to OSHA blood-borne-pathogen requirements. The bulletin governs the simulant material, the cleanup protocol, and the cast / crew exposure response.
Context
Practical blood effects are governed jointly by Bulletin #38 (production-side) and federal OSHA 1910.1030 (workplace-side). The combined effect is that any blood simulant must be a rated cosmetic-grade product (typically methylcellulose-based with food-safe colorant), cleanup must be via approved bio-hazard handling, and cross-contamination between performers (e.g. shared blood-bladder costume between takes) is explicitly prohibited. The bulletin also covers the medical response to accidental real exposure — if a practical effect inadvertently produces a real injury, the cleanup protocol upgrades to the OSHA-rated blood-borne-pathogen procedure.
Requirements
Editorial summary of the bulletin's load-bearing requirements. The canonical PDF is the authoritative source — these are the surface points referenced in production safety briefings.
Blood effects use a rated cosmetic-grade methylcellulose simulant. Improvised mixtures are prohibited.
Costumes with embedded blood-bladders are not reused across performers without full sanitisation. Single-use bladder cartridges are preferred.
Cleanup is via designated bio-hazard handling — gloved, contained, separated waste stream from general production refuse.
If a practical effect produces a real wound, cleanup upgrades to the full OSHA 1910.1030 blood-borne-pathogen response.
References
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