◆ SpookStack

To: Washington m. From: Washington Field Re: 279A-WF-222936-USAMRIID, 1/11/2006 Ps - The first documented use of the new BGI nebulizers during a Ba Ames challenge was on July 17, 2000. Aerosol Chamber The size of the chamber d during a qi 1 challenge was animal-dependent. types of chambers were designed to contain the whole animal during an exposure, but other chambers were designed to expose only the nose of the animal. These systems were referred to as nosé-only exposure chambers. Similarly, head-only chambers were sometimes used. In these chambers, only the head of the animal (sealed around the neck at the junction) was inserted into a sealed chamber for aerosol exposure. All Glass Impinger (AGI) Attached to the aerosol chamber was an AGI, designed to mimic the nasal passage of a human.