ARCHIVED REPORTS_WORK PLAN TO ESTABLISH BACKGROUND SOIL CONCENTRATIONS

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GE • GENESIS ENGINEERING&REDEVELOPMENT • Volume of water purged (if appropriate) • Number and volume or sample(s) collected • Description of sample (i.e., grain size, sorting, color,turbidity etc.) • Date and time of collection • Unique sample identification number • Duplicate sample cross-reference identification • Sample preservative • References to maps • Field measurements • References to all pertinent data collection forms If the field data is recorded on an appropriate data collection form, then all the data need not be recorded in the logbook. A brief description of the sampling data along with the reference to the data forms used will be recorded to ensure that the field data forms can be referenced to the specific logbook entry. In addition to field logbooks, field personnel will complete other records of field activities, as appropriate. A list of the appropriate forms, as well as a brief summary of information to be • recorded follows. Copies of these forms are included in Attachment A-l. • Boring Log Form—description of subsurface conditions at boring locations • Chain-of-Custody Record—instructions to the laboratory as to the appropriate analytical method(s) for each sample Recorded information shall summarize, organize, and/or clarify data. If corrections are necessary,these shall be made by drawing a single line through the original entry (in such a manner that the original entry can still be read). The corrected entry shall be written alongside the corrections and shall be initialed and dated. Completed forms will be provided in the draft and final Estimate of Soil Background Concentrations Investigation reports. • William DePaoli Property I I Of I I sampling and Analysis Plan February 2012