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o Characterize the potential pathways of contaminant migration (required for <br />all releases); <br />o Identify any actual or potential receptors (required for all releases); <br />o Gather all data to support a risk and/or ecological assessment (if <br />required); <br />o Gather all necessary data to support the Corrective Measures Study <br />(required for all releases). This could include conducting treatability, pilot, <br />laboratory and/or bench scale studies to assess the effectiveness of a <br />treatment method. <br />The Workplan shall describe all aspects of the investigation, including project <br />management, sampling and analysis, well drilling and installation and quality <br />assurance and quality control. If the scope of the investigation is such that more <br />than one phase is necessary, the Workplan must include a summary description <br />of each phase. For example, the first phase of a facility investigation could be <br />used to gather information necessary to focus the second phase into key areas <br />of the facility that need further investigation. <br />The required format for a Workplan is described below: <br />Introduction <br />Briefly introduce the Workplan. Discuss the Order or Permit requiring the facility <br />investigation and how the Workplan is organized. <br />2. Investigation Objectives <br />2.1 Project Objectives <br />Describe the overall objectives and critical elements of the facility investigation. <br />State the general information needed from the site (e.g., soil chemistry, hydraulic <br />conductivity of aquifer, stratigraphy, ground water flow direction, identification of <br />potential receptors, etc.). The general information should be consistent with the <br />objectives of the facility investigation and the data needs identified in the Current <br />Conditions Report. <br />SCOPE OF WORK FOR A FACILITY INVESTIGATION WORKPLAN <br />ATTACHMENT D PAGE 2 <br />