Specifications include, but are not limited to:. Facility will provide gravimetric laboratory services in support of ADEM’s PM2.5 Federal Reference Method monitoring and PM10 monitoring for NAAQS purposes. 2. Facility will receive, inspect, condition, and pre-weigh PM 2.5 and low volume PM 10 filters and record pre-sample filter mass data. 3. Facility will forward pre-weighed PM 2.5 filters and PM 10 filters to the field offices, designated by ADEM, via Federal Express or UPS courier twice a month, or more should ADEM's sampling schedule require additional shipments during any one month. Shipment schedule will be agreed upon once the bid is awarded, but the quantity of filters needed on a yearly basis would be approximately 2000 PM2.5 filters and approximately 125 PM 10 filters. GRAVIMETRIC ANALYSIS OF PM 2.5 FILTERS IN ACCORDANCE WITH THE ATTACHED SPECIFICATIONS.