Member Article

On September 30, 2004, the MDEQ Remediation and Redevelopment Division (“RRD”) issued Operational Memorandum No. 5 (“Op. Memo No. 5”) related to groundwater surface water interface (“GSI”) criteria and their application under NREPA Part 201 (Michigan Contaminated Sites), Superfund, and Part 213 (Michigan Leaking UST Sites). Op. Memo No. 5 replaces the previously issued Op. Memo No. 17 (September 8, 1998) related to GSI criteria.