![Whole body exposure chambers](/sites/g/files/dgvnsk771/files/inline-images/Whole%20body.jpg)
Whole Body Exposure Chambers
TPHRL has three separate systems for tobacco smoke consisting of 8 whole body exposure chambers. Each system has a smoke generating machine and either 2 or 3 Hinners-type chambers connected to a carbon monoxide analyzer. In addition, a diffusion flame system is available to serve as a surrogate to diesel engine (combustion) exposure.
![Nose-only exposure system](/sites/g/files/dgvnsk771/files/inline-images/Nose-only.png)
Nose-Only Exposure System
TPHRL has a nose-only exposure system for aerosolized delivery of gases, vapors, and particles to multiple ports. This system has been successfully used for the study of electronic-cigarettes and is adaptable for other types of nose-only exposures.
![Fume hood](/sites/g/files/dgvnsk771/files/inline-images/Fume%20Hoods.jpg)
Biochemistry Lab and Tissue Processing
A basic biochemistry lab is available with multiple fume hoods and equipment and bench space for analyses to be done. Room is dedicated to tissue processing, slicing, and embedding as well.
![Surgical Suite](/sites/g/files/dgvnsk771/files/inline-images/Surgical%20Suite_1.jpg)
Surgical Suite
A surgical suite is located in the facility for small animal minor surgical procedures, such as oropharyngeal aspiration, intranasal administration of compounds, and pulmonary testing.