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EVERGREEN AN~TICAL, INC. Page 2 of 2 <br />4036 Youngfield Street wheat Ridge, CO 80033 <br />(303) 425-6021 <br />Date Received 6/08/90 Client Project Southwest Portland <br />Date Sampled 6/08/90 Lab Project No. 8142 <br />Date Prepared 6/11-12/90 Matrix Water <br />Date Analyzed 6/11-12/90 Methods See below <br />Client Sample # <br />Evergreen Sample # <br />P~" <br />Specific Conductance~Z~, <br />uMHO/cm @ 25°C <br />Alkalinity~'~,mg CaCO,/L <br />Total Dissolved Solids~`~,mg/L <br />Total Suspended Solids~s~,mg/L <br />Anions <br />Carbonate~'~,mg/L <br />Bicarbonate"~,mq/L <br />Chloride~b~ ,mg/L <br />Nitrite-N~b~,mg/L <br />Nitrate-t~fi~,mg/L <br />Sulfate~b~,mg/L <br />Methods <br />DFMW-45 DFMW-55 <br />X22106 X22107 <br /> <br />7.40 8.01 <br /> <br />673 37.6 <br />6100 34.9 <br />514 48.0 <br />20.723 <1.00 <br />* * <br />7441 42.6 <br />8.70 6.92 <br /><0.15 <0.15 <br /> <br />0.12 0.13 <br />349 8.50 <br />• <br />~ P~50.1 "Standard Methods 209B * = pH too low for CO,-Z to be present <br />~'~EPA 9050 ~S~Standard Method 209C <br />~'~Standard Methods 403 ~6~EPA 300.0 <br />sv1w..., ~ "~7 <br />Approved Quality Assurance Officer <br />J <br />