Laserfiche WebLink
Table 2 Laboratory Analytical Methods for Groundwater Samples <br /> 2829 and 2935 Washington Street <br /> LESCO,Inc. <br /> Stockton, California <br /> Laboratory Holding Time <br /> Parameter Matrix Analytical Method Groundwater Sample Container Preservation Filtration <br /> Dissolved Metals Groundwater USEPA 6020/7471A 6 months 500 ml Poly HNO3 0.45 micron <br /> PH Groundwater USEPA 150.1 24 hours 500 mL Poly None NA • <br /> Alkalinity Groundwater USEPA 310.1 14 days 500 mL Poly None NA <br /> Sulfate/Chloride Groundwater USEPA 300.0 28 days 500 mL Poly None NA <br /> Ammonia as Nitrogen Groundwater USEPA 350.3 28 days 500 mL Poly 1 ZSO4 NA <br /> TPH as Diesel Groundwater USEPA 8015M 7 days 1 L Amber Glass None NA <br /> Nitrate(as Nitrogen) Groundwater USEPA 300.0 48 hours 500 mL PoIV None NA <br /> Notes: <br /> H2SO4=Sulfuric add <br /> HNO3=Nitric acid <br /> NA=Not applicable <br /> mL=Milliliters <br /> TPH=Total petroleum hydrocarbons <br /> USEPA=United States Environmental Protection Agency <br /> F.ItM Page 1 of 1 I.FSCO,Inc.-67373.01-11/1/2007 <br />