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Approved Certified Backflow Testers: PCWA does not maintain a list of certified backflow testers. AWWA certification and calibration certificates are required and must be filed with BSI Online, PCWA’s automated backflo
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Document Date: 2016-07-12 14:03:20
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Approved Certified Backflow Testers: PCWA does not maintain a list of certified backflow testers. AWWA certification and calibration certificates are required and must be filed with BSI Online, PCWA’s automated backflo