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03/22/2002 12:52 FAX 209 948 0621 LEINFELDER -- ¢1008 <br /> k4 KL EI N FF, L DER <br /> • Kleinfelder subcontracts the task of surveying the locations and elevations of the monitoring <br /> wells and major features of the site. The surveyors utilized for this task are licensed in the <br /> State of California. A copy of the survey report will be included in the groundwater <br /> Monitoring Well Installation report. <br /> Please describe measures that wil/ be implemented to protect the well casings from cement's <br /> heat of hydration. if required based on well construction. " <br /> • To protect the well casings from the heat of hydration during the installation of the annular <br /> seal, bentonite powder will be added to the neat cement mixture in a ratio of approximately <br /> 1% t02%. <br /> "Provide a table listing the following it formation for each analytes: the sample container sire, <br /> preservation agents, holding time, and whether the sample will be field or laboratory filtered <br /> prior to analysis. " <br /> • The table below reflects the analytes, sample container size and type, preservation method (if <br /> applicable), hold times, and whether the sample will be field filtered of laboratory filtered. <br /> Analyte Container Size Preservation Hold Time rilterin <br /> Nitrate, none 48 hours Lab <br /> Chloride, Sulfate, pii, none 28 days Lab <br /> EC,and none immediate) Lab <br /> Total Dissolved Solids 1,000 nil poly none 7 days Lab <br /> General Minerals: Lab <br /> Bicarbonate Alk., <br /> Carbonate Alk., <br /> Hydroxide.Alli., 1,000 nil poly none 14 days <br /> Merals: calcium, Field <br /> copper, iron, <br /> magnesium, <br /> manganese, potassium, <br /> sodium,zinc,and <br /> Total Hardness 1,000 nil 1301V HNO3 6 months <br /> Chemical Oxygen 2-40 ml VOA H2SO4 28 days Field <br /> Demand <br /> Total Kjeldahl 1,000 ml H,SO4 28 days Field <br /> Nitrogen <br /> roaming Agents 1,000 ml none 48 hours Lab <br /> (MEAS <br /> 13498/20021-148 Pagc 3 of 6 <br /> Copyright 2002, Kleinfelder, Inc. March 20,2002 <br />