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Environmental <br /> 24 March 2014 Resources <br /> Page 3 Management <br /> be collected from these borings at depths of 0-0.5 feet, and 4.5-5 feet <br /> below ground surface (bgs). If impacts are observed at the bottom of <br /> the boring, the boring will be advanced until staining is not observed <br /> or groundwater is encountered. Samples will be collected every 5 <br /> feet in depth. <br /> • General housekeeping handling/spilling of chemicals <br /> Based on observations made at the time of sampling, up to 3 <br /> additional locations may be added to the sampling program. Samples <br /> will be collected every 5 feet in depth and will extend until staining is <br /> not observed. . <br /> South Compressor Station - Units K7-K9 (Figure 3) <br /> This Station area is expected to have a lower potential for soil impacts <br /> from operations due to the shorter duration of operations and <br /> observations made during the site visit. Potential sources of impacts to <br /> soil are as follows: <br /> • Leaks from compressor containment areas (3) <br /> Potential containment area leaks were not observed during the site <br /> visit. However,to assess current conditions, soil samples will be <br /> collected from two locations between the compressors as shown on <br /> Figure 3. Samples will be collected from these borings at depths of 0- <br /> 0.5 feet and 4.5-5 feet below ground surface (bgs). If impacts are <br /> observed at the bottom of the boring and groundwater is not <br /> observed, the boring will be advanced until staining is not observed <br /> or groundwater is encountered, with samples being collected every 5 <br /> feet in depth. <br /> • Leaks, spray from air exchangers (3) <br /> Stained soil was observed adjacent to the air exchangers during the <br /> site visit. Soil samples will be collected from three locations; one <br /> location at each of the air exchange units as illustrated on Figure 2. <br /> Samples will be collected from these borings at depths of 0-0.5 feet <br /> and 4.5-5 feet below ground surface (bgs). If impacts are observed at <br /> the bottom of the boring and groundwater is not observed, the boring <br />