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further acid or any other chemical should be added to the water. <br /> The vials will be placed on ice in a cooler and kept on ice until <br />' delivered to the lab or turned over to their courier within 48 <br /> hours of the sampling time. <br /> I Purged water will be placed in a sealed drum and left at the <br /> site. The drums will be labeled for the source of the water. <br /> After the chemical analyses are completed the contamination in <br /> each drums will be assessed. If the chemical analyses of the <br />' water in a drum shows the water to be free of contamination then <br /> this water will be disposed of a clean water. Contaminated water <br /> will be removed from the site by a licenced waster hauler. <br /> Water samples will be taken from the water at or near the surface <br /> of the water table, unless otherwise indicated. The containers <br /> will be filled so that zero headspace is present in the sealed <br />' vial before placing in the cooler. Trap blanks will accompany <br /> all sample containers. A Chain of Custody will be filled out by <br /> the sampler. The tests run will be as follows: <br />' Test Detection <br /> Limits <br />' DHS TPH Method (gasoline) 500 ug/L <br /> EPA 602 for <br /> Benzene 0 . 5 ug/L <br /> Toluene 0 . 5 ug/L <br /> EthylBenzene 0 . 5 ug/L <br /> Xylenes 0 . 5 ug/L <br />' All laboratory results, well measurements and the Chain of <br /> Custody must be sent to our office for evaluation and the <br /> preparation of a report. <br /> 1 <br /> 1 <br /> 1 <br />