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SOP <br />Revision 6 <br />1/8/1988 <br />Page 4 of 13 <br />Sample containers normally used for various analysis are described <br />below: <br />' 2.1.1 WATER SAMPLES <br />2.1.1.1 Volatile Organics <br />Water samples for determination of volatile organics are collected in <br />commercially available °°VOA" bottles, 40 ml size, with expandable teflon <br />lined tops. These are designed to eliminate any air spaces in the bottle. <br />Duplicate samples are taken. <br />2.1.1.2 General Organics <br />Brown glass bottles, 1 liter size, are used for collection of samples <br />for extractable organics analysis which may include pesticides, <br />se/neutrals, acid extracts and others. For COD, oil and grease, <br />phenolics, MBAS the same type of bottle will suffice. <br />2.1.1.3 Minerals <br />Sample for general mineral analysis are usually taken in glass or <br />plastic bottles of 1 gallon size. Analysis may include pH, conductance, <br />common mineral cations and anions, selected metals such as Fe or Zn. <br />2.1.1.4 Heavy Metals <br />Polyethylene bottles, 1 liter size with teflon lined cups are <br />generally used. Larger sizes may be needed for mercury or other elements <br />where test method is either less sensitive or the element needs to be <br />': determined at lower levels. <br />11 <br />47 <br />