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Table A-1 <br /> Sample Volume, Container Type, <br /> and Preservation Requirements for Selected Parameters <br /> Page 1 of 2 <br /> Parameters Volume Required Container Type Preservation <br /> (ml) <br /> Volatile Organic Compounds(VOCs) 40 Glass with HCL to pH<2 <br /> Teflon®-lined Cool to 4°C <br /> septum <br /> Metals 1,2 500 Plastic' HNO3 to pH<2 <br /> Cool to 4°C <br /> Sulfide 500 Plastic ZnAC+NaOH <br /> Cool to 4°C <br /> Alkalinity(Carbonate,Bicarbonate,Total) 100 Plastic Cool to 4°C <br /> Chloride 50 Plastic Cool to 4°C <br /> Nitrate-Nitrogen 100 Plastic H2SO4 to pH<2 <br /> Cool to 4°C <br /> Sulfate 50 Plastic Cool to 4°C <br /> Total Dissolved Solids(TDS) 100 Plastic Cool to 4°C <br /> Total Organic Carbon(TOC) 25 Plastic H2SO4 to pH<2 <br /> Cool to 4°C <br /> Foothill WQPS Rev l.doc <br /> A-9 <br />