... into the environment. Such practices wereconducted by industries using PCBs in processes and products and discharging the PCB-containing waste into rivers and streams. Other PCB-containing waste ... contaminant from an incineration process, which has been des-cribed in Section 3. 3.2. Dioxin also frequently occurs as an impurity in the herbicide 2,4,5-T.Accordingly, when the herbicide 2,4,5-T ... chemists, etc.) in theirdecision-making process when managing, handling, and/or treating hazardous substances. In the past 25 years, industry, government, and the general public in the industriallydeveloped...