Environmental Site Assessment Guidelines - Ohio Department of ...
Environmental Site Assessment Guidelines - Ohio Department of ... Environmental Site Assessment Guidelines - Ohio Department of ...
may also be conducted to determine the location of all or part of a UST system so that it may be avoided during drilling activities. A geophysical survey utilizes non-intrusive techniques to delineate these subsurface objects. In some instances, it may be used to delineate subsurface features such as contaminant plumes. Geophysical methods that may be employed include ground penetrating radar, electromagnetic conductivity testing, and magnetometer surveys. The results of the geophysical survey can be used to adjust soil boring/monitoring well locations in the field to better address the site’s resource areas. The geophysical survey is conducted prior to Phase II ESA field activities and is included in the Phase II ESA report. If a geophysical survey is proposed on a parcel, then this section should include a detailed discussion of the investigative technique and its limitations, equipment description, and potential interferences. In addition, mapping must be provided which delineates the area of the geophysical survey, the proposed ROW, any structures on the parcel, and any features which may be related to the use, storage, and/or disposal of hazardous substances and regulated wastes (i.e. underground storage tanks, drums, etc). 8.1.3 Parcel Diagrams A diagram for each parcel proposed for investigation should be included which indicates the sampling locations and delineates the location of potential contamination sources (USTs, drums, sumps, lagoons, etc.) and the proposed geophysical survey area (if applicable) in relation to the proposed and/or existing ROW limits and proposed work involving earth disturbing activities (installation of storm/sanitary sewers, foundations for signal poles, catch basins, etc.). Diagrams are not required to be drawn to scale; however, approximate distances of proposed sampling locations and potential contamination sources in relation to the transportation project should be provided (see Appendix H). 8.1.4 Project Management Plan A Project Management Plan should be prepared, including a listing of all key administrative and technical personnel to be used during the investigation and their duties. 43
8.2 Reporting Requirements The title page of the report must contain ODOT's project identification including the county, route, section, and PID for the project. Typically, the Office of Environmental Services, ESA Unit and the District Office's Environmental Unit each require one copy of the report. The following is the preferred format of the Phase II ESA Work Plan: Phase II ESA Work Plan Requirements � Introduction � Field Activities/Sampling Procedures � Sampling Method � Field-Screening and Sample Selection Method Analytical Methods � Quality Assurance/Quality Control � Geophysical Survey Discussion (if applicable) � Parcel Diagrams � Project Management Plan 44
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8.2 Reporting Requirements<br />
The title page <strong>of</strong> the report must contain ODOT's project identification including the county, route,<br />
section, and PID for the project. Typically, the Office <strong>of</strong> <strong>Environmental</strong> Services, ESA Unit and the<br />
District Office's <strong>Environmental</strong> Unit each require one copy <strong>of</strong> the report. The following is the preferred<br />
format <strong>of</strong> the Phase II ESA Work Plan:<br />
Phase II ESA Work Plan Requirements<br />
� Introduction<br />
� Field Activities/Sampling Procedures<br />
� Sampling Method<br />
� Field-Screening and Sample Selection Method Analytical Methods<br />
� Quality Assurance/Quality Control<br />
� Geophysical Survey Discussion (if applicable)<br />
� Parcel Diagrams<br />
� Project Management Plan<br />
44
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