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SOP No. 11.0 Sample Management <br />Table 1 <br />CHEMICAL ANALYSES <br /> Estimated <br /> Number of LAB <br /> QC Sam pies b Estimated Number of FIELD QC Sam pies Number of <br /> Analytical MSD Container(s)/ <br /> Method Sample or Trip Field Rinsate Minimum Volume Sample Hold Time <br />Analytical Parameter (a) Matrix MS DUP Field Du Blank Blank Blank c Preservation (d) (from collection) <br />Total Carbonate, EPA 310.1 Water I per 20 1 per 20 NA 0 1 per 20 Cool to 4 °C 1250-m1 poly 14 days <br />Bicarbonate and Hydroxide samples samples samples <br />Alkalinity <br />Hardness Std. Method Water 1 per 20 1 per 20 NA 0 1 per 20 NA NA (calculated) NA <br /> 2340 B samples samples samples <br />Cation Exchange Capacity SW-846 0080 Sed/soil 1 per 20 1 per 20 NA 0 l per 20 NA 1-8 oz glass 180 days <br /> samples samples samples <br />Total Phosphorus and EPA 365.1 and Water 1 per 20 1 per 20 NA 0 1 per 20 2 ml of H2SO4 for 1500-m1 poly 28 days for total <br />Ortho phosphate EPA 365.4 samples samples samples every liter and phosphorus and 48 <br /> Cool to 4 °C hours for <br /> orthophosphate <br />TDS EPA 160.2 Water I per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-100 ml poly 7 days <br /> samples samples samples <br />TSS EPA 160.1 Water 1 per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-100 ml poly 7 days <br /> samples samples samples <br />Nitrate/Nitrite as N EPA 353.1 Sed/Soil I per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-16 oz glass 28 days <br /> samples samples samples <br />Nitrite as N EPA 354.1 Sed/Soil I per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-16 oz glass 48 hours <br /> samples samples samples <br />Ammonia as N EPA 350.1 Sed/soil I per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-16 oz glass 28 days <br /> samples samples samples <br />Total Phosphorus EPA 365.1 Sed/soil I per 20 1 per 20 NA 0 1 per 20 Cool to 4°C 1-16 oz glass 28 days <br /> samples samples samples <br />Sodium Adsorption Ratio USDA Hbk. 60, Sed/soil 1 per 20 1 per 20 NA 0 NA Cool to 4°C 1-16 oz glass 180 days to leach <br /> SAR Method samples samples 180 days after leach <br />Nitrate as N EPA 353.1 Water I per 20 1 per 20 NA 1 per 20 1 per 20 Cool to 4°C 1-250 ml poly 48 hours <br /> samples samples samples samples <br />Nitrate as N EPA 353.1 Sed/soil I per 20 1 per 20 NA 1 per 20 1 per 20 Cool to 4°C 1-16 oz glass 48 hours <br /> samples samples samples samples <br />FIELD PARAMETERS <br />Temperature SOP 8 Water NA 0 NA NA NA NA Poly or glass Analyze Immediately <br />Specific Conductance SOP 8 Water NA 0 NA NA NA NA Poly or glass Analyze Immediately <br />4/23/07 Page 11 of 19 R Squared Inc.