Cryotech E36® is safe for the environment - it does not contain glycols or urea and has minimal impact on storm water discharges.
Testing shows E36 biodegrades quickly at low temperatures and has a low biological oxygen demand (BOD) and chemical oxygen demand (COD).
Toxicity tests rate E36 as relatively harmless to aquatic life. "Relatively harmless" is commonly used by the environmental community and is the most favorable classification on the U.S. Fish and Wildlife scale. Cryotech will provide detailed environmental test numbers upon request.