Definitions. The following definitions shall apply in the interpretation
and implementation of this section:
DISCHARGE
The disposal, deposit, injection, dumping, spilling, leaking,
incineration or placing of any hazardous material into or on any land
or water so that such hazardous material or any constituent thereof
may enter the environment or be emitted into any waters, including
groundwaters.
FACILITY
A commercial or industrial establishment, including home
businesses, that is registered in accordance with Subsection (d) of
this section.
HAZARDOUS MATERIALS
A product, waste or combination of substances which, because
of its quantity, concentration or physical, chemical, toxic, radioactive
or infectious characteristics, poses, in the Director of Public Health's
judgment, a substantial present or potential hazard to human health,
safety or welfare or the environment when improperly treated, stored,
transported, used, disposed of or otherwise managed. Hazardous materials
include, without limitation, petroleum products, heavy metals, radioactive
or infectious materials and all substances deemed as "toxic" or "hazardous"
under MGL c. 21C and c. 21E using the Massachusetts Oil and Hazardous
Substance List (as contained in 310 CMR 40.000).
REPORTABLE DISCHARGE
The discharge of a reportable quantity (RQ) of a material
as defined under the Massachusetts Contingency Plan, 310 CMR 40.000;
the threshold quantity above which a spill or release of oil or a
hazardous material must be reported to the DEP.