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Wetland & Environment Services: Coffey Geoscience

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Over 20 years experience with wetlands, site assessments, hydrogeology studies & environmental cleanups

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Wetland & Environment Services: Coffey Geoscience

  1. 1. Coffey Geoscience, LLC<br />Over 20 years experience<br />with wetlands, site assessments, hydrogeology studies & environmental cleanups<br />
  2. 2. Phase I Site Assessments<br />Commercial<br />Residential<br />Farmland &<br />Industrial properties<br />Purpose is to protect buyer, seller and lender from exposure & litigation<br />
  3. 3. LEVEL 1 PROCESS<br />Records Review<br />State agency files<br />EPA files<br />Aerial photographs<br />City directories<br />REPORT<br />Property history<br />Regulatory issues<br />General<br />Geologic reports<br />Regional issues<br />Site issues<br />Site Specific<br />Neighborhood<br />review<br />Walkthrough<br />Interviews<br />
  4. 4. Review Aerial Photographs<br /> 1936<br /> 1980<br />
  5. 5. Walkthroughs<br />Fill pipe for an existing or former underground heating oil tank<br />
  6. 6. Checking for Buried Tanks<br />
  7. 7. Drilling & sampling to investigate soil conditions<br />
  8. 8. Industrial Sites Often Appear to be Clean<br />Historical Documentation Can Be Very Important<br />
  9. 9. Sometimes a Closer Look Reveals Potential Issues<br />
  10. 10. Some rural industrial sites are not so neat<br />And some of them look worse than they really are<br />
  11. 11. Who pays?<br />We try to make sure it isn’t you!<br />
  12. 12. Wetland Services<br />Delineations & Determinations<br />
  13. 13. Jurisdictional Wetlands are defined by 3 parameters: soil, vegetation & hydrology<br />
  14. 14. Wetland/upland boundaries are established with paired plots<br />
  15. 15. At each plot, vegetation, soil & hydrology data are recorded<br />
  16. 16. Under the Regional Supplements, soil profiles areexamined in detail<br />
  17. 17.
  18. 18. Soil samples are compared with color charts<br />
  19. 19. In the early part of the growing season<br />wetland hydrology can be directly observed<br />
  20. 20. A multitude of skills are requiredin wetland science<br />
  21. 21. Some ground is too hard to be dug by hand<br />
  22. 22. Auger holes are a good way to observe hydrology & collect soil profiles<br />
  23. 23. Aerial photographs can be used to determine historic land use, vegetation & drainage <br />
  24. 24. Aerial photographs can be used to determine prior development<br />
  25. 25. Infrared aerials help show locations & dates of imported fill<br />
  26. 26. Wetland/upland boundaries are usually surveyed<br />
  27. 27. Wetland<br />Mitigation Planning & Construction<br />
  28. 28. Mitigation Site selection should be done with great care to hold down grading & excavation costs<br />
  29. 29. Annual reporting for five years or more will be required<br />
  30. 30. Regular site maintenance will help ensure the earliest possible release of bonds.<br />
  31. 31. Creating buffers helps promote long-term mitigation success<br />
  32. 32. Coffey Geoscience, LLCLet us help with all your environmental needs. We have over twenty years of experience: “Experience Makes the Difference”<br />

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