Tech Corner: Elementary Neutralization Units: Benefits and Requirements
While the EPA normally prohibits hazardous waste treatment without a permit, in Maryland one rare exception can be found. Using an ENU under certain conditions and meeting certain requirements in Maryland help some generators of hazardous waste lower disposal cost and sometimes even generator status designation. An Elementary neutralization unit is defined as a device which is used for neutralizing wastes which are hazardous only because they exhibit the corrosivity characteristic and is a tank, tank system, container, transport vehicle, or vessel. In order to reap the extended benefits of using this equipment you must meet the following requirements: 1. The waste must only be corrosive characteristic (D002). If the waste is hazardous for any other reason (ie. Toxic in addition to corrosive), the benefits cannot be applied. 2. The waste must be treated in an ENU immediately upon gene...