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Guidance for Bidders

Vendors interested in submitting products for inclusion on the Qualified Product List (QPL) need to first have the products tested by an independent laboratory. See the product sample checklist and testing protocols below for guidance on the information to include in the product submittal.

Product Sample Checklist

PNS Testing Protocols


The mission of PNS is to “strive to serve the traveling public by evaluating and establishing specifications for products used in winter maintenance that emphasize safety, environmental preservation, infrastructure protection, cost-effectiveness and performance.”

PNS Brochure

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PNS News

PNS Qualified Product Listing

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Winter Maintenance Peer Exchange


Thank you! The Peer Exchange was a success!

Snow and ice control experts from around the country shared information and discussed research needs. The agendas and reports  are available on the Montana State University website.