The response to last month’s “REMEDIATION NEWS” : “A Look at PAC and GAC Based Remediation Programs was overwhelming! Our email filled and the IET phones never stopped ringing. Without naming individuals, I’d like to thank everyone for their comments, contributions and field observations. Without exception, my discussions with everyone responding provided further evidence that the use of PAC and GAC based in-situ programs for chlorinated solvents is a subject ripe for review. Below is a follow-up and summary of those discussions.