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i <br /> I <br /> i <br /> Inorganic Chemistry and Nutrient Assays <br /> Analysis Request: Nutrient assays were requested for dissolved oxygen (DO), oxidation- <br /> reduction potential (ORP), pH, ammonia nitrogen, ortho-phosphate, sulfate, nitrate, and ferrous <br /> iron <br /> Protocol: Spectrophotometric assays were performed to determine the concentrations of <br /> ammonia, ortho-phosphate, sulfate and nitrate The assays follow EPA manual colorimetric <br /> protocols using precalibrated reagents and a Bausch & Lomb spectrophotometer 20 All assays <br /> conform to California CLP and Standard Water & Wastewater Methods <br /> The testing for ferrous iron and alkalinity were subcontracted out to Curtis & Tompkins, Ltd <br /> Analytical Laboratory in Berkeley, CA (51\43500-FE) <br /> Chemical and Inorganic Assays <br /> Ortho- Nitrate Ferrous <br /> Client DO H Ammonia Phosphate Nitrogen Sulfate Iron <br /> Sample mg/L p ORP mg/L mg/L mg/L mg/L Alkali mg/L <br /> Number m in m (ppm) m nn -ni m <br /> MW-1 39 59 394 09 05 188 121 <br /> MW-4 4 1 6 0 400 1 4 1 0 2 9 138 <br /> MW-5B 3 7 6 2 406 09 0 5 0 4 78 <br /> MW-8 4 2 6 4 1 404 1 1 0 7 0 5 199 <br /> Reporting limit for the colorimetric chemistry assays is 0 1 mg/L <br /> Reporting limit for ferrous iron is 0 10 mg/L <br /> Reporting limit for alkalinity is 1 0 mg/L <br /> CytoCulture is available on a consulting basis to assist in the interpretation of this data and their <br /> application to field bioremediation protocols <br /> J s ita Tablante Randall von Wedel, Ph D <br /> K <br /> 'Laboratory Technician Principal Biochemist <br /> C kytolab\lab reports\Ctearwatcr 1 Water 03 210 <br /> 4 <br />