Determining the Toxicity of Deicing Materials Investigator final presentation by Keith Pilgrim of Barr Engineering Company. Post navigationPrevious post: Standards and Guidance for Using Mobile Sensor Technology to Assess Winter Road ConditionsInvestigator final presentation by Mark Gallagher and Kate Hvizdos of SRF Consulting Group.Next post: Standard Test Procedures for Ice Melting Capacity of Deicers