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MAR-24-99 16 52 from WOODWARD CLYDE a 7-735 P 32134 Jab-462 <br /> C�o��0a,3�ow� <br /> It is finally passible to obtain viaiEble, accurate, cast-effective samples which comply with the intent of RCRA,Billowing <br /> both the contractor and the regulator to delineate the full vertical and horizontal character of a contaminant plume(S) <br /> While the no-purge DPIS sampling protocol is not applicable to every sampling avant or sampling site, it has been <br /> shown to ba c000tive in caE*s and on oitw whore thero is a viable nat flow throuOh the well(s)(1) The <br /> protocol <br /> Provided in this paper using the DPIS sampling device described herein can provide any applicable sampling prOject <br /> with substantial cost savings, ftp longer the project,the more substarMal will be the savings over other, more costly <br /> sampling protocols <br /> 3124199 4 22 FM <br /> 6of8 <br />