Laserfiche WebLink
'W-T-13-1995 18:5 FP.OIi 'RM-NORTH CENTPRL INC TO 12C X83433---444 P.0303«04 <br /> moi► <br /> J. .• <br /> ERM-North Central,Inc. i <br /> Mr.Harlin Knoll <br /> San Joaquin County Public Health Services <br /> October 13,1995 <br /> Page 2 <br /> • Each sample will be described by a qualified geologist and <br /> screened for volatile organic compounds {VOCs}using the <br /> headspace technique. The two samples from each boring collected <br /> beneath the tank invert with th'e highest headspace VOC <br /> concentrations will be submitted to IEA Laboratories of Cary, <br /> North Carolina for total lead analyses. <br /> • In addition, duplicate samples will be submitted to Chempet <br /> Research Corporation of Moorpark, California. Based on the total <br /> lead analytical results, one sample will be selected for analyses for <br /> isotopic lead concentrations. <br /> Upon completion of the soil borings, each boring will be grouted to the <br /> ground surface in accordance with state and local ordinances. In <br /> addition, all soil cuttings and decontamination waters will be <br /> containerized for later disposal. <br /> In view o u9NiU=111F=eM <br /> it is imperative t at all samples be collected on or before Tuesday, <br /> October 17, 1995, in order to complete these analyses. ERM-North <br /> Central appreciates any assistance that you could provide in expediting <br /> the issuance of these permits. If you have any questions or comments <br /> please do not hesitate to contact Daniel W. Peterson or myself at the <br /> above phone number. <br /> Very truly yours, <br /> ERM-NORTH CENTRAL, INC. <br /> David A. Schlott, P.E. <br /> Principal <br /> ddw <br /> cc: David A. Slayter, ERM-West, Inc. <br /> A member of the Envirarunental <br /> Pmourcty Management Croup <br />