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, L <br /> Gas/Cx` en� Combustible gas/oxygen meter <br /> Combustible Factory calibrated, field calibrated monthly, <br /> calibration according to manufacturers instructions. <br /> zeroed daily <br /> Miscellaneous Measurin Devices Calibration Procedures for <br /> any other measuring device used will be documented at the <br /> authority- <br /> request of the regulatory laced as <br /> will be checked daily and rep book <br /> All equipmentinstrument log <br /> necessary. Insequipmetnt manuals <br /> dfield. Any calibration, <br /> will accompany <br /> repairs or related information will be recorded in the og <br /> book. <br /> 8.0 Laboratory QA/QC plan <br /> Swill be submitted to a State <br /> Soil and groundwater samples <br /> Certified Hazardous Waste Laboratory for chemical analysis <br /> of hazardous constituents. Established QA/QC procedures for <br /> analytical operations will include samples custody <br /> ysis of <br /> procedures, standards of analytical accuracy,, data reduction, <br /> matrix spikes and method blanks, <br /> analytical data, and maintenance of <br /> verification of raw A C plan <br /> control charts to monitor analytical Performance. These <br /> an <br /> QA/QC procedures are outlined in the laboratory Q /Q <br /> rformed in conformance with standard procedures <br /> request. Organic chemical analyses <br /> which is available upon will be Pe the United states Environmental protection <br /> established by <br /> Agency (EPR) in "Guidelines Establishing Test Procedures or <br /> the Analysis of Pollutants Under the clean <br /> Water Act� ( <br /> laboratory is <br /> CFR part 136, October 1984) _ ternal performance audits <br /> periodically evaluated throug c labs. The specific <br /> conducted by EPA and DHS using Q ur eable and <br /> analytical methods to be utilized for pg <br /> semivolatile hydrocarbons analyses are shown on Table 2. <br /> the data base is of sufficient size, statistical <br /> Provided <br /> techniques may be employed for data validation. <br /> g-fl Groundwater Monitoring Protocol <br /> Monitoring of depth to water and free product thickness <br /> within wells at the site will be conducted using an <br /> the <br /> Interface Probe or conductivity meter. <br /> For consistency, all <br /> mark. To assess potential <br /> measurement the survey en from the north side <br /> ywell fdepth <br /> wellhead a rained sediments, total <br /> infiltration of fine g <br /> will also be sounded. <br />