Rosco Laboratories in Stamford, CT, has released a new poster that provides information on glycol-based fog. It is geared toward cast and crew members concerned about the use of fog in theatrical productions. The poster includes a paragraph from the US Department of Health and Human Services' report on a federal government investigation into fog use in theatres. The free poster is 18"x24" and is available from theatrical supply dealers who rent or sell Rosco fog machines and fluid, or from Rosco (

Rosco is also offering A Master Class In Lighting: Designing with Gobos, a 25-minute video on creating gobo effects, such as fire, clouds, reflected water, church interiors, fireworks, and others. Hosted by Tony Award-winner Neil Peter Jampolis, the video discusses lighting effects and techniques for LDs working in theatre, film, television, live entertainment, and architecture. Each video is $29.95, plus shipping and handling. Contact Rosco at 203/708-8900 for more information.