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EVERGREEN ANALYTICAL, INC. <br />• 4036 Youngfield St. Wheat Ridge, CO 80033 <br />(303) 425-6021 <br />INORGANIC ANALYSIS DATA SHEET <br />Client Sample # DEMW-56 <br />Lab Sample # X22115 Client Pro,iect Sthwst Portland <br />Date Sampled 06/08/90 Lab Pro,iect # 8142 <br />Date Received 06/08/90 Method : 600/4-79-20 <br />Date Prepared 06/11/90 Matrix WATER <br />Date Analyzed O6/11-06/13/90 Basis : Dissolved <br />Element Concentration Method detection <br />mg/L Limits mg/L <br />Aluminum <0.2 0.2 <br />Arsenic <0.01 0.01 <br />Cadmium <0.005 0.005 <br />Calcium 5 0.1 <br />Chromium <0.01 0.01 <br />Copper <0.03 0.03 <br />Hardness(Ca) 12 0.2 <br />Iron <0.05 0.05 <br />Lead <0. 005 0.005 <br />• Magnesium 0.8 0.1 <br />Manganese <0.03 0.03 <br />Mercury <0.0002 0.0002 <br />Nickel <0.04 0.04 <br />Potassium 1.6 0.2 <br />Sodium 5 0. 1 <br />Zinc 0.04 0.02 <br />Note: Arsenic, lead, and chromium analyzed by furnace <br />atomic absorbtion. The holding time of 24 hours was not met on <br />• the hexavalent chromium, however the dissolved chromium was <br />10.01 mg/L. Thus the hexavalent chromium must be <0.01 mg/L. <br />---------- ~'K~ ----------- <br />Approved <br />Quality Assurance Officer <br />