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COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 07/23/91 <br /> Project: North County/939-02.31 Work Order#: SJ91-1031 <br /> Sample Matrix: Water <br /> Inorganic Parameters <br /> and Metals <br /> mg/L (ppm) <br /> Sample Name: G-1 G-2 G-3 <br /> Date Sampled: 07/22/91 07/22/91 07/22/91 <br /> Analyte Method MRL <br /> Calcium, Dissolved 7140 0.05 3.5 3.1 2.4 <br /> Iron, Dissolved 7380 0.05 ND NO ND <br /> Manganese, Dissolved 7460 0.05 ND N/R N/R <br /> Sodium, Dissolved 7770 0.05 15. 16. 15. <br /> Alkalinity, 310.1 5 <br /> Bicarbonate 86. 82. 71. <br /> Carbonate NO NO NO <br /> Total 86. 82. 71. <br /> Chloride 9252 3.0 9.0 7.0 9.0 <br /> Nitrogen, Nitrate 9200 0.1 1.0 1.4 1.2 <br /> Nitrogen, Ammonia 350.3 0.03 NO NO ND <br /> Solids, Total Dissolved (TDS) 160.1 10 190. 190. 170. <br /> Sulfate 9038 8.0 ND ND NO <br /> Sulfide 9030 0.1 ND ND NO <br /> MRL Method Reporting Limit <br /> NO None Detected at or above the method reporting limit <br /> N/R Not Requested <br /> Approved by Date <br /> 2 <br /> 1921 Ringwood Avenue • Son Jose. California 95131 • Telephone 408/437-2400 • Fox 408/437.9356 <br />