Air Quality Monitoring Shelter Installed in Northern California Posted on May 3, 2016June 12, 2018 by Tom Platter in News CAS recently installed an 8′ x 14′ Air Quality Monitoring Shelter in beautiful Northern California. This Shelter will be used to house instrumentation for monitoring particulate matter and ozone. Thanks to all involved in making this project happen. 8′ x 14′ Air Quality Monitoring Shelter Published by Tom Platter View all posts by Tom Platter