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CRT Laboratories, Inc. 1680 N. Main St., Orange, CA 92867, USA The provision of mechanical, chemical, thermal, and physical testing services of thermoplastics resins, finished products, and plumbing fixtures Certificate No: ISO-09-23-12-11019 Original Approval: 04/15/1996 Current Certificate: 09/16/2019 Revision Date: 09/16/2019 Certificate Expiry: 09/14/2022
