Clean Water Act (CWA) and CERCLA Hazardous Substance Lists
What is the relationship between the hazardous substance lists under the Clean Water Act (CWA) and under CERCLA? All CWA hazardous substances and CWA toxic pollutants are CERCLA hazardous substances, whereas only some CERCLA hazardous substances are CWA hazardous substances. CERCLA section 101(14) defines “hazardous substance” by reference to lists…