Hazelton Research Products' primate quarantine unit, which is a division of Hazelton Laboratories, shut down the Reston facility, or "The Monkey House", where animals were kept and later sold for lab testing, in 1990. Hazelton was swallowed up by a competitor, Covance Inc.
The team members were wearing 3M branded "Breathe Easy" Powered Air Purifying Respirators.
Formaldehyde crystals were burned to sterilize the air.
With 0.94 million viewers, this was the least watched episode of the first season.