IB 
Union Calendar No. 433 
109TH CONGRESS 
2D SESSION 
H. R. 2567 
[Report No. 109–730, Part I] 
To amend the Federal Hazardous Substances Act to require engine coolant 
and antifreeze to contain a bittering agent so as to render it unpalatable. 
IN THE HOUSE OF REPRESENTATIVES 
MAY 24, 2005 
Mr. ACKERMAN (for himself, Mr. ROHRABACHER, Mrs. WILSON of New Mex-
ico, Mr. UPTON, Mrs. BONO, and Mr. TANNER) introduced the following 
bill; which was referred to the Committee on Energy and Commerce 
DECEMBER 8, 2006 
Additional sponsors: Mr. MORAN of Virginia, Mr. CASE, Mr. NADLER, Mr. 
DICKS, Mr. ABERCROMBIE, Mr. KILDEE, Mr. GALLEGLY, Mr. BILIRAKIS, 
Mr. OLVER, Mr. PLATTS, Mr. ETHERIDGE, Ms. DELAURO, Mr. KOLBE, 
Mr. DEFAZIO, Ms. BERKLEY, Mr. CUMMINGS, Mr. SESSIONS, Ms. HAR-
MAN, Mr. MCGOVERN, Mr. CALVERT, Mr. MCNULTY, Mr. WHITFIELD, 
Mr. MCCOTTER, Mr. SANDERS, Mr. LARSEN of Washington, Mrs. 
MCCARTHY, Mr. DOYLE, Mr. SHAYS, Mr. WOLF, Mr. MOORE of Kansas, 
Mr. EVANS, Mr. PRICE of North Carolina, Mr. FRANK of Massachusetts, 
Mr. SIMMONS, Mr. FERGUSON, Mr. ENGLISH of Pennsylvania, Mr. 
LAHOOD, Mr. MCDERMOTT, Mr. SMITH of New Jersey, Mr. PASCRELL, 
Mr. EVERETT, Mr. GORDON, Mr. JACKSON of Illinois, Mr. BROWN of 
South Carolina, Mr. FRELINGHUYSEN, Mr. ROTHMAN, Mrs. DAVIS of 
California, Ms. JACKSON-LEE of Texas, Mr. HASTINGS of Florida, Mr. 
VAN HOLLEN, Mr. SULLIVAN, Mr. FOLEY, Mrs. NORTHUP, Mr. WELDON 
of Pennsylvania, Mr. WU, Mr. MURTHA, Mr. UDALL of Colorado, Mr. 
TOWNS, Mr. ROSS, Mr. KIRK, Mr. WYNN, Mr. GONZALEZ, Mr. ENGEL, 
Mr. SHADEGG, Mr. REICHERT, Mr. CAMPBELL of California, Mr. CAS-
TLE, Mr. EHLERS, Mrs. LOWEY, Mrs. SCHMIDT, Mrs. MALONEY, Mr. 
KLINE, Mr. BAIRD, Mr. WELLER, and Mr. NEAL of Massachusetts 
Deleted sponsors: Mr. GEORGE MILLER of California (added June 13, 2005; 
deleted July 27, 2005), Mr. FARR (added June 15, 2005; deleted June 
23, 2005), Mr. GENE GREEN of Texas (added June 28, 2005; deleted 
September 13, 2005), Ms. SCHAKOWSKY (added June 28, 2005; deleted 
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July 12, 2005), and Ms. BALDWIN (added January 31, 2006; deleted 
May 17, 2006) 
DECEMBER 8, 2006 
Reported with an amendment and referred to the Committee on the Judiciary 
for a period ending not later than December 8, 2006, for consideration 
of such provisions of the bill and amendment as fall within the jurisdic-
tion of that committee pursuant to clause 1(l), rule X. Referred to the 
Committee on Transportation and Infrastructure for a period ending not 
later than December 8, 2006, for consideration of such provisions of the 
bill and amendment as fall within the jurisdiction of that committee pur-
suant to clause 1(r), rule X 
[Strike out all after the enacting clause and insert the part printed in italic] 
DECEMBER 8, 2006 
Committees on the Judiciary and Transportation and Infrastructure dis-
charged; committed to the Committee of the Whole House on the State 
of the Union and ordered to be printed 
[For text of introduced bill, see copy of bill as introduced on May 24, 2005] 
A BILL 
To amend the Federal Hazardous Substances Act to require 
engine coolant and antifreeze to contain a bittering agent 
so as to render it unpalatable. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Antifreeze Bittering Act 
of 2006’’. 
SEC. 2. ADDITION OF BITTERING AGENT IN ANTIFREEZE 
REQUIRED. 
The Federal Hazardous Substances Act (15 U.S.C. 
1261 et seq.) is amended by adding after section 24 (15 
U.S.C. 1278) the following new section: 
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‘‘SEC. 25. ADDITION OF BITTERING AGENT IN ANTIFREEZE 
REQUIRED. 
‘‘(a) BITTERING AGENT.— 
‘‘(1) ENVIRONMENTAL EVALUATION REQUIRED.— 
‘‘(A) IN GENERAL.—Not later than 30 days 
after the date of enactment of this section, the 
Consumer Product Safety Commission shall com-
mence an evaluation, in cooperation with the 
Environmental Protection Agency and appro-
priate State health and environmental officials 
in those States that, as of the date of enactment 
of this section, have enacted laws requiring a 
bittering agent in engine coolant or antifreeze, to 
determine whether there is evidence that the use 
of the bittering agent denatonium benzoate in en-
gine coolant or antifreeze has an unreasonable 
adverse effect on the environment. 
‘‘(B) CERTAIN
TESTS
PROHIBITED.—The 
evaluation required under subparagraph (A) 
may not include any new animal or human test-
ing. 
‘‘(C) REQUIRED DATE OF COMPLETION.— 
The Commission shall complete the evaluation 
within 180 days after the date of enactment of 
this section and publish its findings in the Fed-
eral Register. 
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‘‘(2) USE OF BITTERING AGENT.— 
‘‘(A) GENERAL REQUIREMENT.—Unless the 
Commission, in its evaluation under paragraph 
(1), finds there is evidence of an unreasonable 
adverse effect on the environment, any engine 
coolant or antifreeze that is manufactured on or 
after the date that is 180 days after the date of 
publication of the Commission’s finding in the 
Federal Register pursuant to paragraph (1)(C), 
and that contains more than 10 percent ethylene 
glycol, shall include not less than 30 parts per 
million, and not more than 50 parts per million, 
denatonium benzoate as a bittering agent in 
order to render the coolant or antifreeze 
unpalatable. 
‘‘(B) ALTERNATIVE
AGENT.—If the inclu-
sion of denatonium benzoate in engine coolant or 
antifreeze is required under subparagraph (A) 
and the Commission finds that— 
‘‘(i) an alternative bittering agent is as 
effective as denatonium benzoate in ren-
dering coolant or antifreeze unpalatable in 
terms of both its bittering capacity and its 
compatibility with motor vehicle engine 
coolant and antifreeze, and 
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‘‘(ii) in cooperation with the Environ-
mental Protection Agency, there is no evi-
dence that the use of the alternative 
bittering agent has an unreasonable adverse 
effect on the environment, 
the Commission may initiate a rulemaking to 
permit the use of the alternative bittering agent 
in lieu of denatonium benzoate. 
‘‘(3) UNREASONABLE ADVERSE EFFECT ON THE 
ENVIRONMENT DEFINED.—As used in this subsection, 
the term ‘unreasonable adverse effect on the environ-
ment’ means an unreasonable risk to human health or 
the environment, taking into account the economic, 
social, and environmental costs and benefits. 
‘‘(4) FAILURE TO COMPLY.—Any engine coolant 
or antifreeze that is required to contain a bittering 
agent under paragraph (2) that is not in compliance 
with that paragraph shall be considered to be a 
banned hazardous substance within the meaning of 
section 2(q) (15 U.S.C. 1261(q)), and shall be subject 
to the penalties provided for in section 5 (15 U.S.C. 
1264). 
‘‘(b) RECORD KEEPING.— 
‘‘(1) NAME AND ACTIVE INGREDIENT.—A manu-
facturer of an engine coolant or antifreeze that is re-
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