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Sampling and Analysis Plan - Operations S Post-Operations <br />• used to distinguish between samples collected at the same station over time. Sample locations <br />and designations will be recorded in a bound field logbook. One Quality Assurance (QA) sample <br />(duplicate) will be collected for each 10 samples collected for both surface water and <br />groundwater per sampling event. When warranted, sample splits for Quality Control (QC) <br />purposes will also be taken during sampling. Quality Control is further described in Section 6.0. <br />At surface-water locations where water is of sufficient depth, water will be collected in situ by <br />partially submerging the container in the water source. Care will be taken not to overfill <br />containers containing preservative. When necessary, a clean transfer container will be used to fill <br />other sample bottles. For water samples that must be filtered, a peristaltic pump will be used with <br />new clean pump tubing and a portable power source to pump water directly from the water <br />source. A new, clean 0.45 micron filter will be used to field filter the water. In shallow water, <br />the pump and tubing will be used to pump water for all sample containers directly from the <br />source. When access is particularly difficult, a carboy of water will be collected and packed to a <br />convenient pumping location. <br />• A U.S. Geological Survey 7.5 minute topographic map will be used as a base map. Sample <br />collection locations will be identified on the map on the basis of field mapped locations or GPS <br />coordinates measured during sampling. Where applicable, a sketch of the sample sites will be <br />prepared to show the sample locations and general site features. <br />3.0 GROUNDWATER <br />Groundwater monitoring will be conducted to monitor RD&D operations and post-operations <br />water quality conditions. Well locations and completion intervals were selected to provide <br />upgradient monitoring of water-quality within the L3 zone at drill pad MWP 1, downgradient <br />monitoring of water quality within the B-Groove, L3, and Wasatch Formation at drill pad MWP <br />2, and cross-gradient monitoring of water quality within the L3 at the HB Pad. The drilling pads <br />and monitoring wells MWP 1-L3, MWP 2-13G, MWP 2-L3, MWP 2-WS, and HB-L3 are located <br />as shown in Appendix A, Exhibit A.2. Groundwater monitoring activities will be conducted in <br />accordance with procedures and protocols designed to ensure collection of high-quality, <br />defensible monitoring data. The procedures and protocols addressed in this section include <br />• American Shale Oil, LLC 3