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• <br />CA ARNG Field Quality Assurance Project Plan <br />• Samples collected; <br />• Quality assurance/quality control (QA/QC); <br />• Visitors; <br />.• Problems; and <br />• Comments. <br />9.1.9.5 Measurements made and samples collected will be recorded. All entries will be made in <br />indelible ink and no white-out will be allowed. If an incorrect entry is made, the information will be <br />crossed out with a single strike mark, initialed, and the date marked. The number of the photographs <br />taken of the site, if any, will also be noted. All equipment used to make measurements will be identified, <br />along with the date of calibration. <br />9.1.9.6 Samples will be collected following the sampling procedures documented in Sections 9.1.1 <br />through 9.1.6. The equipment used to collect samples will be noted, along with the time of sampling, <br />sample description, depth at which the sample was collected, sample volume, and number of containers <br />filled. Sample identification numbers will be assigned prior to sample collection. Field duplicate samples, <br />=which will receive an entirely separate sample identification number, will be noted under sample <br />description. <br />Geologic Field Logs <br />9.1.9.7 The on-site field geologist/hydrogeologist will prepare and maintain a geologic log for all soil <br />- borings (and wells) installed with a drill rig. The log will detail drilling and well construction details. <br />Figures 9-3 and 9-4 (at the end of the section) are examples of a geologic field log. All geologic log <br />entries will be made in indelible ink, and each page initialed and dated by the field person. The geologic <br />log will provide, but not be limited to, the following information: <br />• Reference elevation for all depth measurements; <br />• Depth of each change of lithology; <br />• Thickness of each lithology; <br />• Description of soil or rock penetrated using Unified Soil Classification System (USCS) terminology; <br />• Depth of interval from which each formation sample was taken; <br />• Depth at which hole diameter (bit sizes) change; <br />• Depth at which groundwater is first encountered; <br />• Depth to the static water level (after 48 hours or completion in wells) and changes in static water <br />level with well depth; <br />• Total depth of completed well; <br />field QAPP.DOC 9-13 May 2000 <br />