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Fieldwork Documentation Field Standard Operating Procedure SWE-FSOP-001;Revision 1 Ahtna Southwest Environmental Operations Data Loggers Examples of data loggers include equipment used in combination with: • Water-level transducers for aquifer tests • Flow sensors and meters in pump and treat systems • Air monitoring equipment (e.g., particle counters) The use of data loggers should be recorded in an FLB/notepad or field form and include the type of logger, make, model, S/N, calibration if required, and any input specifications used. Document data acquisition activities using data loggers(data logging equipment)and related observations in the FLB.notepad. Written notes provide a permanent record of field activities that support digital data temporarily stored on various data loggers. Specific steps and guidelines for the data acquisition activity being performed should be reviewed in the respective SOP guiding the activity. The observations and data will be recorded in the FLB/notepad or field form. Because of the variability of features and operation of various data loggers, each field SOP and manufacturer's instructions should be carefully reviewed before beginning field activities. The PL is responsible for providing the location and details for storage. Files should be uploaded to the project folders as soon as possible after the fieldwork ends. Files should not be edited. If needed, modifications to the captured data should be noted in the project reports. Hardcopy printouts in comma- delimited format (or similar) are recommended should the source file become corrupt. Global Positioning Systems GPS data acquisition activities and related observations will be digitally-recorded and later downloaded, and the file saved as described above. Alternately, the GPS data can be recorded in field documentation to provide a permanent record of field activities supporting digital data that is temporarily stored on the GPS unit. As applicable, observations and data may be recorded in an FLB/notepad or field forms.The field forms will record the survey location identifier(e.g., well/boring location, structural feature) and corresponding coordinates and elevation. The GPS operator should also be thoroughly familiar with the manufacturer's instructions and SOP for Global Positioning System (FSOP-103) before performing GPS work in the field. 4.2 Field Logbook The FLB is the written record of all fieldwork elements,such as Ahtna staff, subcontractors,visitors at the site, weather forecast/conditions, field equipment calibrations, construction activities, and sample collection activities. Fieldwork can be recorded on a notepad or forms described in Sections 4.3 and 4.4. When field forms are used, a brief description of the activity is added to the FLB/notepad, and details are added to the form. Page 11 of 15