Closing the Mass Balance at Chlorinated Solvent Sites: Sources and Attenuation Processes Read More ← Trends in Antibiotic Resistance Genes Occurrence in the Haihe River, China → Origin and Propagation of an Incorrect Chemical Degradation Pathway in the Literature: cis-1,2-Dichloroethylene as a Daughter Product of 1,1,1-Trichloroethane