ANSI approves glycol and glycerin theatrical fog standard
- Details
The new standard specifies the components of glycol and glycerin fog and the ceiling and the time-weighted-average exposure limits for the fogs. The ceiling limits are rationally based on scientific data and are consistent with the ceiling limits that have been specified in many performer union contracts, but the standard goes beyond those contractual limits by also controlling the time-weighted-average levels. It specifies the glycols which can be used i