Cured Films of Protecto 401TM have been independently tested using the Environmental Protection Agency Method 1311 Toxicity Characteristic Leaching Procedure. This procedure is a determination of leachable characteristics of the sample for the following chemicals.
Methyl ethyl ketone
m & p Cresol
Fully cured films of Protecto 401TM do not leach any of these chemicals in an amount which exceeds that allowed by EPA Test Method 1311.
Based on the above testing and a literature search, Protecto 401TM, when used to protect sewer lines against corrosion, does not present a health hazard to humans or any risks to the environment.