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.�,a.r � �1� "�� i1' - vr:.M 49�� & � �.�. w,q,, �;r. �xv",�"x''. ¢, ti� ;;�+-�r�t`�'.�' sr �qj ri'"w: S�, x'�rf�,,. •A �,�,'+�:5�, <br /> Ms.Linda Turkatte <br /> June 28, 1991 <br /> Page 2 <br /> Ground water monitoring well MW-10 will be constructed of 4-itch-diameter,flush-threaded,Schedule <br /> 40 polyvinyl-chloride(PVC)pipe and screen. The well will be camfrleted with 0.02 inch slat width well <br /> screen with a screened interval extending from 30 to 45 feet below grade. The screened interval will <br /> intersect the water table from 5 feet above the%vat•_r table and extend to 10 feet beltrsv the water table <br /> allowing for seaso 'al ground water fluctuations. 7'he annular space in the well will be filed with No.3 <br /> Lonestar uwd from I foot above the screened interval W the total depth of the well. A 2-foot-thick <br /> bentonite seal will be placed above the sand pack in the annular space of the well. Above this, the <br /> annular space in the well will be filial with cement grout containing 5 percent bentonite. A well <br /> construction diagram is enclosed illustrating well apeci€ications. <br /> After installation,the monitoring well will be developed,purged,sampled,and surveyed. Ground water <br /> samples will be submitted io a state-certified laboratory for analysis of STEX and TPH as gasoline. <br /> PIease find enclosed the necessary ground water monitoring well permit application and required fee <br /> of$89.00. <br /> Sincerely, <br /> DELTA ENVIRONMENTAL CONSUf,TANTS,INC, <br /> Charles Kconi Almeida <br /> Project Geologist <br /> CKA:bp <br /> Enclosure <br /> cc: Mr.Henry X Dihm,Delta Environmental Consrrltants, Inc. <br /> i <br /> 3 <br /> I <br /> 1 <br /> I <br /> i <br /> i <br />