United States
Environmental Protection
Office of Solid Waste
and Emergency Response
EPA530-F-95-006
February 1995
Office of Solid Waste
v>EPA Environmental
Fact Sheet
EPA Finalizes Listing of Wastes from
The Production of Carbamates and
Adds 58 Chemicals to the Off-
Specifications Product List
EPA is aware that the mismagamement of wastes from the
production of carbamates has caused contaimination of soils and
ground waster. Listing of these wastes will provide for sound
management of these waste streams.
Background
As part of EPA regulations to
implement the Resource
Conservation and Recovery Act
(RCRA), EPA has published a list
of hazardous wastes that
includes hazardous wastes
generated from specific sources.
This list has been amended
several times and is published in
40CFR261.32.
In addition to the list of
hazardous wastes generated from
specific sources, EPA has also
published under RCRA a list of
unused commercial chemical
products or manufacturing
chemical intermediates that are
hazardous wastes if they are
discarded or intended to be
discarded. EPA has periodically
amended this list and it is
published in 40 CFR 261.33.
This list is commonly known as the
Off-Specifications Product List.
Under the Comprehensive
Environmental Response,
Compensation and Liability Act
(CERCLA), EPA has also published
a list of hazardous substances and
reportable quantities. Under
CERCLA, a hazardous substance
has a reportable quantity of one
pound unless adjusted by
regulation. Any unregulated
release of more than one pound
of the listed substance must be
reported. This list is found at
40 CFR 302.4.
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Action Being Taken
EPA is amending the list of
hazardous wastes generated from
specific sources to include six
additional wastes.
These six new wastes are:
• K156 - Organic Waste
(including heavy ends, still
bottoms, light ends, spent
solvents, filtrates, and
decantates) from the production
of carbamates and carbamoyl
oximes;
• K157 - Wastewaters (including
scrubber waters, condenser
waters, washwaters, and
separation waters) from the
production of carbamates and
carbamoyl oximes;
• K158 - Bag house dust, and
filter/separation solids from the
production of carbamates and
carbamoyl oximes;
• K159 - Organics from the
treatment of thiocarbamate
wastes
• K160 - Solids (including filter
wastes, separation solids, and
spent catalysts) from the
production of thiocarbamates
and solids from the treatment of
thiocarbamate wastes;
• K161 - Purification solids
(including filtration, evaporation,
and crentrifugation solids), bag
house dust, and floor sweepings
from the production of
dithiocarbamate acids and their
salts (does not include K125 and
K126).
In addition, EPA is adding 58
specific materials to the list of
commercial chemical products or
manufacturing chemical
intermediates that are hazardous
wastes if discarded or intended to
be discarded.
Lastly, in order to coordinate the
RCRA and CERCLA rulemakings
with respect to new waste
listings, this rulemaking adds the
EPA Hazardous Waste Numbers
K156 through K161 and the 58
specific toxic and acutely toxic
products mentioned above to the
CERCLA list of hazardous
substances and establishes
CERCLA reportable quantities for
these materials.
By adding generic and specific
carbamate chemicals to RCRA
and CERCLA regulation, EPA is
moving to eliminate current gaps
between these regulations for
hazardous substances. EPA is
taking this action in an effort to
speed first responder recognition
of the environmental hazards
posed by spills of carbamate
products.
For More Information
For more information, or to order
a copy of the Federal Register
notice, please call the RCRA
Hotline Monday through Friday,
8:30 a.m. to 7:30 p.m., EST.
The national toll-free number is
(800) 424-9346; for the hearing
impaired, it is (TDD) (800) 553-
7672. In Arlington, VA, the
number is (703) 920-9810 or
(TDD) (703) 486-3323. Write to
the RCRA Information Center
(5305), US EPA, 401 M Street,
SW, Washington, DC 20460.
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