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this initials lin ' amp g, Versar will maintain a quarterly monitoring program at the site for a Period of oneea The program will total four sampling events, including the initial '/A' sampling event Each sampling event will involve recording depth to groundwater measurements, purging and sampling each of the groundwater monitoring wells at the site, and preparing a report describing the findings The groundwater samples collected during each of the four sampling events will be analyzed for TPH as het fuel and BTEX, by the l 7? appropriate EPA Methods /7,4 G 3.3 Storing and Disposal of Wastes ' Drill cuttings and water collected during the soil drilling operation and groundwater sampling activities will be stored in DOT-approved containers in a secure area at the site The contents of the containers and the dates of collection will be clearly marked on appropriate labels All equipment, decontanunation materials, and disposable personal protective gear will also be placed in appropriate containers When the hazardous characteristics of the materials have been determined, they will be disposed of using proper procedures 3.4 Co-Site Soil Wastes ' Presently, there are two soil stockpllg* d—moU�d as soil stockpile 1 and 2, respectively, at the site (see Figure 5) In addition, there are also 43, 55-gallon drums being stored on site ' The following subsections discuss the origins of these wastes and proposed methods and procedures for profile and disposal ' 3 4 1 Soil Stockpile 1 The soil in soil stockpile 1 was generated during the removal and overexcavation of t the three-5,000 gallon USTs in January 1990 It is estimated that the stockpile consists resists of approximately 500 cubic yards, and covers an area, of approximately 3,500 square feet, at an average height of four feet To determine what action isuired req prior to the disposal of the stockpiled soil, it is propose to conduct soil sampling to characterize the soil To characterize 9