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