process refrigeration. Such standards and requirements shall become
effective not later than July 1, 1992.
"(2) The Administrator shall, within 4 years after the enactment
of the Clean Air Act Amendments of 1990, promulgate regulations
establishing standards and requirements regarding use and disposal of
class I and II substances not covered by paragraph (1), including the
use and disposal of class II substances during service, repair, or
disposal of appliances and industrial process refrigeration. Such
standards and requirements shall become effective not later than 12
months after promulgation of the regulations.
"(3) The regulations under this subsection shall include
"(A) reduce the use and emission of such substances to the
lowest achievable level, and
"(B) maximize the recapture and recycling of such substances.
Such regulations may include requirements to use alternative
substances (including substances which are not class I or class
II substances) or to minimize use of class I or class II
substances, or to promote the use of safe alternatives pursuant
to section 612 or any combination of the foregoing.
"(b) Safe Disposal.-The regulations under subsection (a) shall
establish standards and requirements for the safe disposal of class I
and II substances. Such regulations shall include each of the
"(1) Requirements that class I or class II substances contained
in bulk in appliances, machines or other goods shall be removed
from each such appliance, machine or other good prior to the
disposal of such items or their delivery for recycling.
"(2) Requirements that any appliance, machine or other good
containing a class I or class II substance in bulk shall not be
manufactured, sold, or distributed in interstate commerce or
offered for sale or distribution in interstate commerce unless it
is equipped with a servicing aperture or an equally effective
design feature which will facilitate the recapture of such
substance during service and repair or disposal of such item.
"(3) Requirements that any product in which a class I or class
II substance is incorporated so as to constitute an inherent
element of such product shall be disposed of in a manner that
reduces, to the maximum extent practicable, the release of such
substance into the environment. If the Administrator determines
that the application of this paragraph to any product would
result in producing only insignificant environmental benefits,
the Administrator shall include in such regulations an exception
for such product.
"(c) Prohibitions.-(1) Effective July 1, 1992, it shall be
unlawful for any person, in the course of maintaining, servicing,
repairing, or disposing of an appliance or industrial process
refrigeration, to knowingly vent or otherwise knowingly release or
dispose of any class I or class II substance used as a refrigerant in
such appliance (or industrial process refrigeration) in a manner which
permits such substance to enter the environment. De minimis releases
associated with good faith attempts to recapture and recycle or safely
dispose of any such substance shall not be subject to the prohibition
set forth in the preceding sentence.
"(2) Effective 5 years after the enactment of the Clean Air Act
Amendments of 1990, paragraph (1) shall also apply to the venting,