Laserfiche WebLink
GROUND ZERO ANALYSIS, INC. Quality ControUQuality Assurance Plan <br />TABLE 1 <br />SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br />PARAMETER MATRIX CONTAINER HOLDING TIME PRESERVATION <br />Total Petroleum <br />Hydrocarbons <br />(Light Fractions) <br />(Heavy Fractions) <br />Soil <br />Water <br />Water <br />Stainless steel or brass cylinder <br />40 ml glass vial, Teflon-faced silicon septum <br />1 liter amber bottles, Teflon seat/silicon septum <br />14 days' <br />40 days2 <br />14 day& <br />20 days2 <br />14 days' <br />40 days2 <br />4°C <br />4°C HCI to pH =2 <br />4°C <br />Benzene <br />Toluene <br />Xylenes <br />Ethylbenzene <br />Soil <br />Water <br />Stainless steel or brass cylinder <br />40 ml glass vial. Teflon seal/silicon <br />14 days' <br />7 daysl <br />14 days3 <br />4°C <br />4°C HCI to pH = 2 <br />Purgeable <br />Halocarbons <br />Soil <br />Water <br />Stainless steel or brass cylinder <br />500 ml glass vial, Teflon seal/silicon septum <br />14 days' <br />14 days' <br />4°C <br />4°C <br />Organic <br />Lead <br />Soil <br />Water <br />Stainless steel or brass cylinder <br />40 ml glass vial, Teflon seal/silicon septum <br />14 daysl <br />14 daysl <br />4°C <br />4°C <br />Ethylene <br />Dibromide <br />Soil <br />Water <br />Stainless steel or brass cylinder <br />40 ml glass vial, Teflon faced silicon septum <br />14 days2 <br />14 daysl <br />4°C <br />4°C <br />Polynuclear <br />Aromatic <br />Hydrocarbons <br />Soil <br />Water <br />8 oz. wide mouth glass with Teflon seal or <br />stainless steel or brass cylinder <br />1000 ml amber glass with Teflon seal <br />14 daysl <br />40 days2 <br />7 daysl <br />40 days2 <br />4°C <br />4°C <br />Poly-Chlorinated <br />Biphenyls <br />Soil <br />Water <br />8 oz. wide mouth glass with Teflon seal or <br />stainless steel or brass cylinder <br />1000 ml amber glass with Teflon seal <br />7 days' <br />40 days2 <br />7 daysl <br />40 days2 <br />4°C <br />4°C <br />Total Metals Soil <br />Water <br />Stainless steel, or brass cylinder <br />1000 ml plastic <br />6 months <br />6 months pH<2 <br />Dissolved Metals Water 1000 ml plastic 6 months pH2, 0.45 Micron Filtration <br />Pesticides Soil <br />Water <br />Stainless steel, or brass cylinder <br />1000 ml glass <br />14 days2 <br />7 days2 <br />4°C <br />4°C <br />NOTES: <br />Maximum holding time for sample (extract within this time or analyze if extraction is not required). <br />Maximum holding time for extract (analyze within this time). <br />Maximum holding time for sample when pH adjusted with HCI.