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Noe <br /> Ogden Environmental Services, Inc. March 9, 1988 <br /> William S. Rickman Page 2 <br /> 3. Analyze groundwater samples according to acceptable EPA method- <br /> ology. The methods are: EPA 5030 purge and trap method; EPA 8015 <br /> and 602 for TPH and BTXE. <br /> 4. Survey the wells to determine the hydraulic gradient. <br /> 5. Prepare a final site assessment report for review by you, and <br /> regulatory agencies. <br /> Prior to initiation of this work, the Central Valley Regional Water <br /> Quality Control Board and the San Joaquin Local Health District must give <br /> approval of the assessment plan. Please call us if you have any questions or <br /> comments. <br /> Very truly yours, <br /> McCLELLAND ENGINEERS, INC. <br /> I o. M <br /> Thomas D. Matteucci <br /> Project Hydrogeologist <br /> Thomas W. McNeilan, P.E. <br /> Engineer Manager <br /> TDM/TWM:dc <br /> cc: Gordon Lee Boggs (CVRWQCB) <br /> David R. Carls (San Joaquin Local Health District) <br /> � \10✓� CO w�v`^2 1 0.� <br /> aV,__ <br /> p1 <br /> Vjk � OL ��o�o toA\,kzodk,.O <br /> �,e,^^> tl� bQ araly��� � ��0.\ �}t of eu.• h (fro cartoon <br /> tS c'e�1v`��eC� Qc��►owo� rt���� � <br /> a� Po soy\ co tr\�'.k s 0.kk "o `� ce�e`o por UJZ�V_ <br /> CL <br /> arc <br /> 3- 1L4 -gg <br />