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<br /> <br />Cotter Corporation PROCEDURE Number: 3-4 <br />Schwartzwalder Mine Page: 4 of 7 <br />Golden, Colorado WATER MONITORING Revision: 7 <br />Date: 04/15/2010 <br />3.5 Laboratory / Analysis <br />All samples are to be analyzed for both the dissolved and suspended phase of natural uranium and <br />radium 226 at the Cotter Canon City Mill laboratory or State-accepted commercial laboratory. <br />Samples are assigned a number which corresponds to a sample submittal form (Exhibit 2-5A). The form <br />is used to document the date and time of sample collection, sampler, and the requested analysis. <br />Analytical results are reviewed by the RSO, forwarded for computer entry, and then filed in the <br />Environmental Department files. <br />If using a commercial laboratory, use the Chain of Custody (COCs) forms provided by the third-party lab. <br />4.0 QA/QC <br />See RHS Procedure 1-7 "Quality Assurance/Quality Control Plan." <br />Submitted by: Radiation Safety Officer Randy Whicker <br />Approved by: <br />