1. All casing, pipe, and screen shall be PVC Flush Threaded. 2. The PVC flush threaded casing pipe and screen shall be manufactured from Type 1, Grade 1 PVC resins as specified in ASTM D1785. The casing pipe shall also be approved by the National Sanitary Foundation (NSF) for use in potable water applications. 3. All PVC shall be free of ink markings. 4. To Assure easy make up, the PVC monitor pipe and screen must be threaded to the ASTM F480 specification with O-ring groove turned in the male thread. The manufacturer will provide the O-ring. 5. All threaded connections must be manufactured using computer controlled threading machines to ensure precision of cut and consistency between manufacturing lots. 6. All PVC flush threaded monitor pipe shall make up in stated lengths, shoulder to shoulder. 7. The slots in all PVC screen pipe must be cut on precision computer controlled slotting machines, providing uniform slot and space dimensions. 8. All PVC screen pipe must be de-burred and cleaned using a high-pressure air and/or water process to ensure unobstructed and dust free slot opening. 9. The finished monitor pipe and screen shall be received in visibly clean condition, free of oil, grease, dirt, and fingerprints. 10. The monitor pipe and screen shall be individually packaged in plastic and then packed in heavy wall corrugated boxes clearly labeled with the brand name and contents.

1. All casing, pipe, and screen shall be PVC Flush Threaded. 2. The PVC flush threaded casing pipe and screen shall be manufactured from Type 1, Grade 1 PVC resins as specified in ASTM D1785. The casing pipe shall also be approved by the National Sanitary Foundation (NSF) for use in potable water applications. 3. All PVC shall be free of ink markings. 4. To Assure easy make up, the PVC monitor pipe and screen must be threaded to the ASTM F480 specification with O-ring groove turned in the male thread. The manufacturer will provide the O-ring. 5. All threaded connections must be manufactured using computer controlled threading machines to ensure precision of cut and consistency between manufacturing lots. 6. All PVC flush threaded monitor pipe shall make up in stated lengths, shoulder to shoulder. 7. The slots in all PVC screen pipe must be cut on precision computer controlled slotting machines, providing uniform slot and space dimensions. 8. All PVC screen pipe must be de-burred and cleaned using a high-pressure air and/or water process to ensure unobstructed and dust free slot opening. 9. The finished monitor pipe and screen shall be received in visibly clean condition, free of oil, grease, dirt, and fingerprints. 10. The monitor pipe and screen shall be individually packaged in plastic and then packed in heavy wall corrugated boxes clearly labeled with the brand name and contents.