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air bubbles present within the bottle. Samples for acid, base and neutral <br />organics, pesticides and heavy metals analysis are placed in appropriate <br />laboratory prepared containers. Water sample containers are labeled with the <br />appropriate sample number, location, project name and number, time, and date <br />of collection. All samples are placed in an iced cooler and transported to a <br />state -certified analytical laboratory. <br />In cases where very oily contaminants are encountered teflon bailers may be <br />substituted with stainless steel bailers. This will be done to minimize cross <br />contamination. <br />Chain -of -custody forms are logged and signed and accompany the samples to <br />the laboratory. One travel blank accompanies the samples and is held by the lab <br />for possible analysis. <br />All sample containers issued by the laboratory are properly prepared by the <br />laboratory for the requested analysis. <br />• Total Volatile Hydrocarbons and/or benzene, toluene and _xylenes - 2 <br />40 -milliliter bottles <br />• Total Lead - 1 500 -milliliter bottle <br />• Ethylene Dibromide - 1 500 -milliliter bottle <br />• Metals - 1 500 -milliliter bottle <br />• Pesticides/Herbicides - 2 2 -liter bottles <br />• Acid Base Neutral Organics - 2 1 -liter bottles <br />• Halogenated Volatile Organics - 2 40 -milliliter bottles <br />• Aromatic Volatile Organics - 2 40 -milliliter bottles (preserved) <br />• Total Phenolics - 1 1 -liter bottle (preserved) <br />ENSCO ENVIRONMENTAL SERVICES, INC. <br />Water Sampling Protocol <br />Latest Revision: March 7, 1988 <br />