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CERTIFICATION OF CHLORINATION AND STERILIZATION <br />This certifies that <br />chlorinated the domestic hot and cold water <br />plumbing lines for the Lincoln Elementary School — Cafeteria Replacement, Manteca Unified <br />School District. The lines were first flushed and chlorine was injected in the main water line on <br />, [year]. A minimum chlorine residual of 50 ppm was measured at each <br />outlet. The lines were tagged, secured and the make-up water was shut off. On <br />, 2008, (a minimum of 24 hours later) the chlorine residual was retested and <br />found to contain a minimum of 50 ppm. The plumbing lines were then thoroughly flushed with fresh <br />water until the chlorine residual was not greater than 0.2 ppm at all outlets. A Bacteriological <br />Examination report has been provided. <br />District Inspector Signature: <br />Date <br />Name of Chlorination and Testing Firm: <br />Authorized Representative Signature: <br />Date <br />Name of General Contractor: <br />Authorized Representative Signature: <br />Date <br />i.11207 Lincoln as - cafeteria replacement14.06 projmanlchlorin.doc <br />