Skip to main content


Buy Article:

$9.50 plus tax (Refund Policy)

Or sign up for a free trial

A risk-based corrective action (RBCA) approach was utilized to determine whether human health and the environment could be adequately protected by employing alternate concentration limits (ACLs) for groundwater downgradient from two waste management units. The ACL demonstration was prepared in 1987 for a southeastern manufacturing facility which maintains two previously closed RCRA-regulated hazardous waste units: a stabilized, encapsulated closure cell; and a wastewater surface impoundment. Twenty-three Appendix IX hazardous constituents were detected in groundwater, including metals, pesticides, and solvents. The site is located adjacent to a major, flow-regulated river. The uppermost aquifer flow discharges to the river.

This paper summarizes the approach used in preparing an ACL demonstration and demonstrating compliance for a large chemical manufacturing facility in the southeast. The most recent federal and state guidance documents available at that time were used in preparing the ACL demonstration. The ACLs were subsequently approved by U.S. EPA and the state regulatory agency. This RBCA approach precluded the need for potential long-term groundwater corrective action, with savings in excess of 1 million. Groundwater and surface water monitoring programs on a quarterly frequency over ten years have demonstrated compliance with the ACLs at the point of compliance (POC), as well as the absence of statistically significant impacts at the point of exposure (POE) in the river.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Document Type: Research Article

Publication date: 2000-01-01

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more