Couple team members from EPI, spent a couple days in Mancelona, at EPI’s old plant, digging up old test pond liners. The first three liners, 36 Mil XR5, 50 Mil PVC and 30 Mil PVC were placed 27 years ago in 1986. The liners vary in product type, age and supplier. It was a dirty job but stay tuned to learn more about the process and testing
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