Fog & Smoke Working Group - Fog Testing Protocols
Below is a grid of fog testing protocols for different types of fogs. The protocols are based on particular measuring instruments, selected by ESTA, but the protocols can be adapted for other meters.
It is recommended that testing at the beginning of each production using conditions (equipment, amount of fog used, length of fog cue, performers’ and crew members’ positions relative to the fog equipment, air circulation, room temperature, etc.) as close as possible to those that will exist during performances. Theatres should then monitor fog use to ensure that performance conditions replicate testing conditions. If conditions are consistent, there should not be a need to repeat the test during the production run. Thus, testing can be a one-time cost when a new production loads in, not an additional cost for each performance.
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