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> Certainteed pvc sewer piping systems catalog 1983
Certainteed pvc sewer piping systems catalog 1983
MAJOR MANUFACTURER OF PIPING SYSTEMS FOR MUNICIPAL USES
PVC GRAVITY SEWER PIPE for SEWER SYSTEMS
CertainTeed Corporation Pipe & Plastics Group, P.O. Box 860, Valley Forge PA 19482
TWO 6 page catalogs / brochures for Certainteed Modern PVC Sewer Pipe, "Today's environmental awareness brings a critical need for effecient sewer piping systems. Systems using old fashioned materials tend to allow excessive exfiltration and infiltration, leading to ground water pollution or overloading of costly treatment plants. Modern engineering demands something better-a piping system that will not leak or fail prematurely, and that can be installed and tested with confidence and within budget."
That seems to be alluding to the materials that CertainTeed used previously in their sewer systems-asbestos cement pipe- and acknowledges that these types of pipe DID allow slough off into the water supply! However, asbestos is not mentioned in these 2 brochures / catalogs.
