Science and technology in Spokane, WA

In operation since 1974, Petroleum Sciences is a full-service testing, quality-assurance and mix-design facility. Located in Spokane, Wash., the company specializes in testing asphalt emulsions, cutbacks and asphalt cements. It also conducts forensic investigations for all phases and types of asphalt construction. Additionally, the company has expertise in surface treatments, hot-mix evaluations and volumetric analysis of hot-mix asphalt. It caters to petroleum, rubber and asphalt industries across Washington, Oregon, Idaho, Montana, Nevada, Arizona and California.