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('KL DER Bright Poop Me Right Saluhons. Actual sampling depths may vary depending upon field observations indicating evidence of contamination or variation in soil lithology. After collection, the soil samples will be labeled, logged on a chain-of-custody form, and immediately stored in an iced cooler. The samples will be transported under chain-of- custody control to Kleinfelder's office and then transported by courier in a chilled container to a State accredited laboratory to perform the requested analyses. Kleinfelder is proposing submittal of 2 soil samples for chemical analysis from each of the 33 probes. The following is a summary of potential analytical suites and methods that will be conducted: • CAM 17 Metals by EPA Method 6000/7000 Series • LUFT 5 Metals by EPA Method 6000/7000 Series • pH by EPA 150.1 • Total Petroleum Hydrocarbon as diesel and/or motor oil by EPA 8015M/DHS LUFT • Volatile Organic Compounds by EPA 8260B • Semi-volatile Organic Compounds by EPA 8270C The proposed analyses for specific sample locations are further detailed on the attached summary SAP located on Table 1. The samples will be submitted on a standard 5 to 10 business day turn-around time. We anticipate very little waste soil from the pushprobe/hand auger operations, although installation of the two proposed wells will generate several drums of waste. Waste soil and equipment decontamination water will be initially contained in 55-gallon drums and left on site. If the soil is found to be contaminated based on the laboratory results, then Kleinfelder will supply APCI with recommendations for handling/disposing of the waste soil and water. Task 3 — Monitoring Well Installation, Development & Sampling Two deeper soil borings will be advanced at the Site using a truck-mounted drill rig equipped with 8-inch, hollow stem augers. One of the wells will be located between the neutralization pit and the current northern production well (MW-1) and one will be located adjacent to the rail unloading basement sump [MW-2, (See Plate 1)]. Kleinfelder anticipates groundwater at a depth of approximately 33 feet bgs; therefore, we propose to advance these two borings to an approximate depth of 45 feet bgs after which a monitoring well will be constructed in each of the borings. An approximate 15- foot screened interval will be used during construction of the wells, with approximately 5 feet of screen installed above and approximately 10 feet below first encountered groundwater. During the advancement of the boring, soil samples will be collected at five-foot intervals for lithologic classification and qualitative field screening. The soils will be 114050.WP/ST012P0580 Page 4 of 8 July 16, 2012 Copyright 2012 Kleinfelder