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NILLSON LABORATORiLS <br /> ANA1,Y'1*1(-:AL(A I L-AIIS-I'S A i\D(:U I AN-1 S <br /> June 6 , 1988 <br /> Moldenhauer Engineering Company <br /> 1107 Kennedy Place, Suite 7 <br /> Davis, CA 95616 <br /> Attention: Alex Blackburn <br /> Dear Mr. Blackburn: <br /> As you requested, the following is a brief description of the <br /> quality assurance program for water. <br /> Procedures used are from the Standard Methods for the examination <br /> of water and waste water 16th Ed. <br /> Chloride Method 407 A <br /> Electrical Conductivity Method 205 <br /> Total Dissolved Solids Method 209 B <br /> An inhouse Standard (QCC, or QCB) is ran with each analysis. <br /> Duplicate samples are ran on at least every tenth sample. EPA Standard <br /> are checked on a random basis not less than once per quarter. <br /> NELSON LABORATORIES <br /> by <br /> T. L. Hammonds <br /> Chemist <br /> TLH/lg <br /> Ii <br /> w <br /> D-2 <br /> :59-18 RUDWI- ISLR (:0UR'1'. 0N.( A 9520-7) (209)Slat-1261, <br />