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Investigating Ground Water Contamination at Ohio’s C&DD Landfills Aaron Shear

Ohio’s Solid Waste and C&DD Program Annual Meeting May 9, 2013. Investigating Ground Water Contamination at Ohio’s C&DD Landfills Aaron Shear. A Collaborative Effort Between. Division of Materials and Waste Management. Division of Drinking and

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Investigating Ground Water Contamination at Ohio’s C&DD Landfills Aaron Shear

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  1. Ohio’s Solid Waste and C&DD Program Annual Meeting May 9, 2013 Investigating Ground Water Contamination at Ohio’s C&DD Landfills Aaron Shear

  2. A Collaborative Effort Between Division of Materials and Waste Management Division of Drinking and Ground Waters

  3. Program Background In 2005, Ohio legislature enacted ORC 3714.071 • Established funding mechanism for conducting ground water monitoring at licensed C&DD facilities operating before April 15, 2005. • The fund may not be used to pay for ground water monitoring activities required to comply with rules adopted under ORC 3714.02 • Authorized expenditures include installation of ground water monitoring wells, GW sampling, and laboratory analysis.

  4. Licensed C&DD Facilities Approximately 43 Currently Licensed Facilities

  5. ORC 3714.071 Funds Current fee for disposal of construction and demolition debris- $0.10/ton • $0.08 to Ohio EPA (April 2013 ~ $1.3 Million) • $0.02 to approved Health District ($35 ~ $110,000)

  6. Priority Criteria Creation of a numerical evaluation system which will prioritize C&DD Facilities • Similar to numerical scoring sheet • Open Dump / Abandoned Landfill Evaluation used by the Closed Landfills & Orphaned Site Evaluation & Rating (CLOSER) Team

  7. Priority Criteria Prioritize C&DD facilities based on threat to:

  8. Priority Criteria PublicHealthCriteria Protection of Critical Drinking Water Resources Protection of Aquifer Susceptible to Contamination Conditions Conducive to Ground Water Contamination Engineering Controls Ground Water Monitoring Site Specific Factors

  9. Preliminary Hydrogeologic Investigation (pHGI) pHGI Objectives • Evaluatethe potential for a release of C&DD-derived constituents to ground water downgradient of the limits of debris placement. • Evaluate the adequacy of the ground water monitoring network for early detection of a release to ground water.

  10. Preliminary Hydrogeologic Investigation (pHGI) “Paper Study” of hydrogeology and other available facility data • No monitoring well installation or ground water sampling • 5 possible conclusions from the pHGI

  11. pHGI - Research File Search – Health Department

  12. Historical Arial Photography Google Earth CAGIS Other mapping programs Track progression of C&DD placement Note recent and historical surrounding land uses pHGI - Research

  13. pHGI - Research ODNR Maps & Reports • County Ground-Water Resource map • Bedrock topography, glacial geology and other maps & reports

  14. pHGI - Research Statistical Evaluation of GW Monitoring Data • Note statistically significant increases above background • Note increasing trends in monitoring parameters

  15. pHGI - Research Other Evaluation of GW Monitoring Data • Create Iso-concentration maps of monitoring parameters • Redox data

  16. pHGI - Research Site Reconnaissance • Evaluate Current Site Conditions • Compare Site Conditions to publically-available data and information

  17. pHGI - Conclusions Use of ORC 3714.071 Funds • Facility has potential to impact GW but no GW monitoring, and thus could benefit from installation and sampling of additional wells using ORC 3714.071 funds. • Facility has an inadequate GW monitoring network for early detection of a release and could benefit from installation and sampling of additional wells using ORC 3714.071 funds.

  18. pHGI - Conclusions No additional action needed • Facility has little or no potential to impact GW and no GW monitoring, and thus no need to install wells using ORC 3714.071 funds. • Facility has an adequate GW monitoring network for early detection of a release but no indication of impact to GW.

  19. pHGI - Conclusions Facility with GW monitoring and may be impacting GW – Owner/Operator needs to conduct a GW assessment. • Consensual or Unilateral Orders to conduct an Assessment -OAC Rule 3745-400-10

  20. Program Timeline Program Timeline- 2010

  21. Program Timeline Program Timeline- 2011

  22. Program Timeline Program Timeline- 2012

  23. ProgramTimeline 2013- Future • Develop pHGI for remaining facilities • Continue using ORC 3714.071 funds where needed • Conduct assessment activities where facilities may be impacting ground water

  24. Q&A - Comments Aaron Shear DMWM – Central Office 614.728.5350 aaron.shear@epa.ohio.gov

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