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PUBLIC YIEALTH SERVICES p� <br /> SAN JOAQUIN COUNTY40, <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer c�.. ��• <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> (COO [PY <br /> MARGARET MMOLM <br /> P O BOX 247 <br /> ESCALON CA 95320 AUG 04 1994- <br /> RE: <br /> 994RE: Ekholm Property SITE CODE: 1955 <br /> 1702 Jackson Street <br /> Escalon, Ca <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has completed the review of the Quarterly <br /> Groundwater Monitoring Report dated July 13, 1994, submitted by <br /> RESNA, and has the following comments for your consideration. <br /> The request in the report for the temporary suspension of <br /> groundwater monitoring and sampling cannot be granted at this <br /> time. Consistent groundwater data over time is essential for <br /> confirming no adverse impact to groundwater. As the estimated <br /> time for the completion of the soil remediation is approximately <br /> 18 months from the start of the vapor extraction system, any <br /> monitoring/sampling frequency less than quarterly may not be <br /> sufficient to support a closure recommendation. <br /> PHS/EHD has received copies of the letters to consultants <br /> requesting an "Invitation For Bids" from Neumiller and Beardslee. <br /> The letter requests a workplan be compiled to be submitted to <br /> PHS/EHD. PHS/EHD does not require a workplan for the <br /> construction of the remediation system for the site. This was <br /> discussed with Bruce Inman of Neumiller and Beardslee on July 29, <br /> 1994, during a telephone conversation with PHS/EHD staff. <br /> For your information, the following reports, workplans and <br /> notifications will be required until the completion of site <br /> cleanup. <br /> NOTIFICATION TO PSS/EHD <br /> PHS/EHD will require 48 hours advance notice any time water or <br /> soil samples are being collected from the site. PHS/EHD will <br /> observe the methods used in collecting, handling, storing and <br /> transporting the samples to ensure that representative sample <br /> results will be obtained. <br /> A l7iosiun of San,loaquin County Health Care Services <br />