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' WZ1 I N C <br /> ' An onsite mobile laboratory with laboratory-grade certifiable instrumentation and <br /> portable' <br /> procedures for real-time analysis of individual VOC's will be used Non-specific Y P <br /> organic vapor analyzers and/or gas chromatograph based handheld detectors will not be <br /> used for analysis by the mobile laboratory but may be used for field screening during <br /> sampling <br /> I <br /> The soil gas sampling plan will be flexible such that field modifications (grid pattern <br /> density, location, and depth) can be made as real-time evaluation of analytical test results <br /> are provided The workplan will include decision-making criteria for these adjustments and <br /> ' explain decisions of mod cations of the sampling plan in the final report Meld decisions <br /> will be made, where practical, in consultation with the regulatory agency staff providing <br /> oversight service <br /> ' Resampling of sampling points may be required if anomalous data (i e , 2 or 3 orders of <br /> magnitude difference from surrounding samples) are encountered Additional points may <br /> be required to resolve the spatial distribution of the contaminants within the interval in <br /> ' question <br /> 1 <br /> APPENDIX Ili <br /> 12270020 025 3 <br />