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Table C-3 <br /> SAMPLE CONTAINERS AND PRESERVATION TECHNIQUES <br /> Volume Required <br /> Parameter (ml ) Container Preservative <br /> Metalsl 500 Plastic HNO3 to pH <2 <br /> EPA 624 40/ Glass with HC1 to pH <2, <br /> duplicated Teflon-lined Temperature 4°C <br /> septum <br /> Sulfate 500 Plastic Temperature 4°C <br /> pH 1,000 Plastic Temperature 4°C <br /> Electrical 1,000 Plastic Temperature 4°C <br /> conductivity <br /> l <br /> Total dissolved 1,000 Plastic Temperature 4°C <br /> solids <br /> a Chloride 1,000 Plastic Temperature 4°C <br /> Bicarbonate 1,000 Plastic Temperature 4°C <br /> ° alkalinity, <br /> as CaCO2 <br /> 1 Chemical oxygen 500 Plastic H SO to pH <2, <br /> demand Timpgrature 4°C <br /> Alkalinity 1,000 Plastic Temperature 4°C <br /> Flouride 1,000 Plastic Temperature 4°C <br /> Nitrate 500 Plastic H2SO to pH <2, <br /> Temperature 4°C <br /> Turbidity 500 Plastic Temperature 4°C <br /> Total hardness 500 Plastic HNO3 to pH <2 <br /> t <br /> € Color 1`1000 Glass Temperature 4°C <br /> t <br /> Odor 1,000 Glass Temperature 4°C ° <br /> Surfactants (MBAS) 1,000 Glass Temperature 4°C <br /> 1 . Field filtered through 0.45-micron, acrylic, copolymer filter (EMCON- <br /> installed monitoring wells only) <br /> j 2. Linear polyethylene <br /> 1 <br /> 1 <br /> ( PJ9 9390102.000 <br /> 1 <br />