United States office of Solid Waste
Environmental Protection and Emergency Response EPA/530-SW-89-064
Agency Washington DC 20460 October 1989
Office of Solid Waste " " "
SEPA Environmental
Fact Sheet
NOTIFICATION OF GROUND-
WATER MONITORING POLICY
FOR DELISTING PETITIONS
BACKGROUND
On January 16, 1981, the Environmental Protection Agency (EPA)
published a list of hazardous wastes from nonspecific and specific
sources. These wastes are listed as hazardous because they typically
and frequently exhibit one or more of the characteristics of hazardous
wastes - ignitability, corrosivity, reactivity, and toxicity - or thev meet
other criteria for listing.
Individual waste streams may vary, however, depending on factors
such as raw materials and industrial processes. Thus, a waste that is
listed as hazardous in the regulations may not be hazardous at every
facility. Therefore, EPA has a "delisting" procedure that allows a facility
to demonstrate that a specific waste from a particular generating
facility should not be regulated as a hazardous waste. To delist a
waste, the generator must "petition" EPA by submitting manufacturing
and treatment process information, raw materials lists, analytical data,
and other information.
Under current regulations, EPA may require petitioners to submit
ground-water monitoring data for waste management units that
contain waste targeted for delisting. The Agency has required this data
under the general authority given in the delisting regulations. EPA has
found that such waste-specific data provides significant additional
information important to fully characterize the hazards posed by
disposal of a particular waste.
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