Document M4BOG7agEpJQaEdkeKO2nXGGV
PLAINTIFF'S EXHIBIT
TECHNICAL CHANGE ORDER
APPLICABLE TO!
CertainTeedH
CertainTeed Corporation Pipe and Plastics Group
A/C Standard Product Specification
Spec. #18
DATt OF ISSUE!
MAY l 7 1979
ir.e.o. NO.I
1
PAGE NO.: 1
ocacntmoN:
A/C Products for PVC Use
Purpose: To incorporate all the Standard PVC Products made of A/C into one specification.
To add as a Standard NSPS 3A-999 which was for Municipal Water (VIP) Tapped Couplings.
Ref: J. E. Calkins to Kelly & Law dated 3-22-79 A/C Tapped Couplings for Vinyl-Iron PVC Municipal Water Pipe.
(Future revisions of Spec. 2 and 3A will remove the PVC Products covered in this spec.)
Effective Date: Date of issue.
Disposition of Superseded Pages: None. This is an initial issue. Place in your A/C Standard Product Spec.
book.
CTD015476
PREPARED BY:
APPROVED BY: a to
R ft D
MPG.
SALES
I.E.
OTHERS
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