Long-Term Sustainability Of Reductive Dechlorination Reactions At Chlorinated Solvents Sites Read More ← Historical and Retrospective Survey of Monitored Natural Attenuation Line of Inquiry Supporting Monitored Natural Attenuation and Enhanced Passive Remediation of Chlorinated Solvents → Historical Analysis of Monitored Natural Attenuation: A Survey of 191 Chlorinated Solvent Sites and 45 Solvent Plumes