[Federal Register Volume 64, Number 16 (Tuesday, January 26, 1999)]
[Rules and Regulations]
[Pages 3861-3865]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 99-1764]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 82

[FRL-6224-6]
RIN 2060-AG12


Protection of Stratospheric Ozone: Listing MT-31 as an 
Unacceptable Refrigerant Under EPA's Significant New Alternatives 
Policy (SNAP) Program

AGENCY: Environmental Protection Agency (EPA).

ACTION: Interim final rule.

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SUMMARY: With this action, EPA's Significant New Alternatives Policy 
(SNAP) program lists as unacceptable for all refrigeration and air-
conditioning end-uses the refrigerant blend known by the trade name MT-
31. This refrigerant blend was previously listed as an acceptable 
substitute for CFC-12 and HCFC-22 in various end-uses within the 
refrigerant and air-conditioning sector. After June 3, 1997, the date 
on which EPA published the Notice of Acceptability that listed MT-31 as 
acceptable, EPA became aware of toxicity data concerning one of the 
chemicals contained in the MT-31 blend that present significant 
concerns about risks to human health that may arise as a result of the 
use of this chemical, either alone or in a blend, in the refrigeration 
and air-conditioning sector. Today, therefore, EPA is removing MT-31 
from the list of acceptable substitutes, and is listing MT-31 as 
unacceptable in all refrigeration and air-conditioning end-uses.

DATES: Effective Date: This action is effective Janaury 26, 1999. 
Comments: EPA will consider all written comments received by February 
25, 1999 to determine whether any change to this action is necessary.

ADDRESSES: Information relevant to this notice is contained in Air 
Docket A-91-42, Central Docket Section, South Conference Room 4, U.S. 
Environmental Protection Agency, 401 M Street, S.W., Washington, D.C. 
20460, telephone: (202) 260-7548. The docket may be inspected between 
8:00 a.m. and 5:30 p.m. weekdays. As provided in 40 CFR Part 2, a 
reasonable fee may be charged for photocopying. Those wishing to notify 
EPA of their intent to submit adverse comments on this action should 
contact Kelly Davis, U.S. EPA, Stratospheric Protection Division, 
Office of Atmospheric Programs, Office of Air and Radiation (6205-J), 
401 M Street, S.W., Washington, DC 20460, (Docket # A-91-42), (202)-
564-2303.

FOR FURTHER INFORMATION CONTACT: Kelly Davis, U.S. EPA, Stratospheric 
Protection Division, Office of Atmospheric Programs, Office of Air and 
Radiation (6205-J), 401 M Street, S.W., Washington, DC, 20460, (202)-
564-2303 or electronically at [email protected]. General information 
about EPA's SNAP program can be found by calling EPA's Stratospheric 
Ozone Protection Hotline at (800) 296-1996 or by viewing EPA's SNAP 
Program world wide web site at www.epa.gov/ozone/title6/snap/snap.html.

SUPPLEMENTARY INFORMATION:

Table of Contents

I. Section 612 Program
    A. Statutory Requirements
    B. Regulatory History Background
    C. Listing of Substitutes
    D. Necessity for Interim Final Rule
II. Listing of MT-31 as Unacceptable
III. Summary of Supporting Analyses
    A. Unfunded Mandates Reform Act and Regulatory Flexibility Act
    B. Executive Order 12866: Review of Significant Regulatory 
Actions by OMB
    C. Paperwork Reduction Act
    D. Executive Order 12875: Enhancing Intergovernmental 
Partnerships
    E. Submission to Congress and the General Accounting Office
    F. Executive Order 13045: Children's Health Protection
    G. Executive Order 13084: Consultation and Coordination With 
Indian Tribal Governments
IV. Additional Information

I. Section 612 Program

A. Statutory Requirements

    Section 612 of the Clean Air Act authorizes EPA to develop a 
program for evaluating alternatives to ozone-depleting substances. EPA 
refers to this program as the Significant New Alternatives Policy 
(SNAP) program. The major provisions of section 612 are:
     Rulemaking--Section 612(c) requires EPA to promulgate 
rules making it unlawful to replace any class I (chlorofluorocarbon, 
halon, carbon tetrachloride, methyl chloroform, methyl bromide, and 
hydrobromofluorocarbon) or class II (hydrochlorofluorocarbon) substance 
with any substitute that the Administrator determines may present 
adverse effects to human health or the environment where the 
Administrator has identified an alternative that (1) reduces the 
overall risk to human health and the environment, and (2) is currently 
or potentially available.
     Listing of Unacceptable/Acceptable Substitutes--Section 
612(c) also requires EPA to publish a list of the substitutes 
unacceptable for specific uses. EPA must publish a corresponding list 
of acceptable alternatives for specific uses.
     Petition Process--Section 612(d) grants the right to any 
person to petition EPA to add a substance to or delete a substance from 
the lists published in accordance with section 612(c). The Agency has 
90 days to grant or deny a petition. Where the Agency grants the 
petition, EPA must publish the revised lists within an additional six 
months.
     90-day Notification--Section 612(e) requires EPA to 
require any person who produces a chemical substitute for a class I 
substance to notify the Agency not less than 90 days before new or 
existing chemicals are introduced into

[[Page 3862]]

interstate commerce for significant new uses as substitutes for a class 
I substance. The producer must also provide the Agency with the 
producer's unpublished health and safety studies on such substitutes.
     Outreach--Section 612(b)(1) states that the Administrator 
shall seek to maximize the use of federal research facilities and 
resources to assist users of class I and II substances in identifying 
and developing alternatives to the use of such substances in key 
commercial applications.
     Clearinghouse--Section 612(b)(4) requires the Agency to 
set up a public clearinghouse of alternative chemicals, product 
substitutes, and alternative manufacturing processes that are available 
for products and manufacturing processes which use class I and II 
substances.

B. Regulatory History Background

    On March 18, 1994, EPA published the Final SNAP Rule (59 FR 13044) 
which described the process for administering the SNAP program and 
issued EPA's first acceptability lists for substitutes in the major 
industrial use sectors. These sectors include: refrigeration and air 
conditioning; foam blowing; solvent cleaning; fire suppression and 
explosion protection; sterilants; aerosols; adhesives, coatings and 
inks; and tobacco expansion. These sectors compose the principal 
industrial sectors that historically consumed the largest volumes of 
ozone-depleting compounds.
    The Agency defines a ``substitute'' as any chemical, product 
substitute, or alternative manufacturing process, whether existing or 
new, that could replace a class I or class II substance. Anyone who 
produces a substitute must provide the Agency with health and safety 
studies on the substitute at least 90 days before introducing it into 
interstate commerce for significant new use as an alternative. This 
requirement applies to chemical manufacturers, but may include 
importers, formulators or end-users when they are responsible for 
introducing a substitute into commerce.

C. Listing of Substitutes

    To develop the lists of unacceptable and acceptable substitutes, 
EPA conducts screens of health and environmental risks posed by various 
substitutes for ozone-depleting compounds in each use sector. The 
outcome of these risk screens can be found in the public docket.
    Under section 612, the Agency has considerable discretion in the 
risk management decisions it can make under the SNAP program. The 
Agency has identified five possible decision categories: acceptable, 
acceptable subject to use conditions; acceptable subject to narrowed 
use limits; unacceptable; and pending. Acceptable substitutes can be 
used for all applications within the relevant sector end-use. 
Conversely, it is illegal to replace an ozone-depleting substitute with 
a substitute listed by SNAP as unacceptable for that end-use. A pending 
listing represents substitutes for which the Agency has not received 
complete data or has not completed its review of the data.
    After reviewing a substitute, the Agency may make a determination 
that a substitute is acceptable only if certain conditions of use are 
met to minimize risks to human health and the environment. Such 
substitutes are described as ``acceptable subject to use conditions.'' 
Use of such substitutes without meeting associated use conditions 
renders these substitutes unacceptable and subjects the user to 
enforcement for violation of section 612 of the Clean Air Act.
    Even though the Agency can restrict the use of a substitute based 
on the potential for adverse effects, it may be necessary to permit a 
narrowed range of use within a sector end-use because of the lack of 
alternatives for specialized applications. Users intending to adopt a 
substitute acceptable with narrowed use limits must ascertain that 
other acceptable alternatives are not technically feasible. Companies 
must document the results of their evaluation, and retain the results 
on file for the purpose of demonstrating compliance. This documentation 
shall include descriptions of substitutes examined and rejected, 
processes or products in which the substitute is needed, reason for 
rejection of other alternatives, e.g., performance, technical or safety 
standards, and the anticipated date other substitutes will be available 
and projected time for switching to other available substitutes. Use of 
such substitutes in applications and end-uses which are not specified 
as acceptable in the narrowed use limit renders these substitutes 
unacceptable.
    As described in the Final SNAP Rule, EPA does not believe that 
rulemaking procedures are required to list alternatives that are 
determined to be acceptable with no limitations. Such listings do not 
impose any sanction, nor do they remove any prior license to use a 
substitute. Consequently, EPA periodically adds substitutes to the list 
of acceptable alternatives without first requesting comment on new 
listings. Updates to the acceptable and pending lists are published in 
separate Notices in the Federal Register.
    Also as described in the Final SNAP Rule, EPA believes that notice-
and-comment rulemaking is required to place any alternative on the list 
of prohibited substitutes, to list a substitute as acceptable only 
under certain use conditions or narrowed use limits, or to remove an 
alternative from either the list of prohibited or acceptable 
substitutes. In this interim final rule, however, EPA is removing an 
alternative from lists of acceptable substitutes for CFC-12 and HCFC-22 
refrigerants, and is listing MT-31 as unacceptable in all refrigeration 
and air-conditioning end-uses, without prior notice and comment. The 
reasons for the Agency's decision to do so in an interim final rule 
rather than in a notice-and-comment rulemaking are discussed in section 
D below.

D. Necessity for Interim Final Rule

    Section 307(d)(3) of the Clean Air Act (CAA or the Act) states that 
in the case of any rule to which section 307(d) applies, notice of 
proposed rulemaking must be published in the Federal Register. The 
promulgation or revision of regulations under Title VI of the CAA 
(relating to stratospheric ozone protection) is generally subject to 
section 307(d). However, section 307(d) does not apply to any rule 
referred to in subparagraphs (A) or (B) of section 553(b) of the 
Administrative Procedure Act (APA), 5 U.S.C. 551 et seq.
    APA section 553(b) requires that any rule to which it applies be 
issued only after the public has received notice of, and an opportunity 
to comment on, the rule. However, APA section 553(b)(B) exempts from 
those requirements any rule for which the issuing agency for good cause 
finds that providing prior notice-and-comment would be impracticable, 
unnecessary or contrary to the public interest. Thus, any rule for 
which EPA makes such a finding is exempt from the notice-and-comment 
requirements of both APA section 553(b) and CAA section 307(d).
    EPA believes that the circumstances presented here provide good 
cause to take the actions set forth in this final rule without prior 
notice and comment, since providing prior notice and comment would be 
impracticable and contrary to the public interest. Specifically, EPA is 
concerned about health risks to workers associated with the use in 
replacement refrigerant formulations of one of the chemicals found in 
MT-31, in light of toxicity data regarding this chemical. EPA became 
aware of these data only after the Agency listed MT-31 as an acceptable

[[Page 3863]]

replacement refrigerant. Due to the fact that the manufacturer of MT-31 
has claimed confidentiality with respect to the chemical composition of 
MT-31, EPA is unable to identify in this interim final rule which 
chemical in MT-31 is the subject of the Agency's concerns.
    The toxicity data indicate that typical worker exposure levels for 
the MT-31 chemical exceed minimal levels of concern for noncancer 
risks. Exposures to this chemical have been shown to lead to kidney 
damage. The Agency has conducted an exposure analysis to determine 
probable exposure concentrations of MT-31 in occupational settings. The 
Agency has determined that when this chemical is used as a refrigerant 
or as a component in a refrigerant blend, persons who manufacture, 
service or dispose of refrigeration and air-conditioning equipment that 
contains MT-31 may be exposed to levels of this chemical that put them 
at risk of kidney damage, particularly if they have not been 
specifically trained in the handling of this chemical or of blends 
containing this chemical. The Agency, moreover, is aware that MT-31 is 
currently commercially available, and is being used as a refrigerant, 
in multiple end-uses (e.g., airport air-conditioning systems, ice 
machines and bus air-conditioning), in multiple commercial locations 
throughout the nation. EPA believes that persons servicing or disposing 
of the refrigeration and air-conditioning units in these locations are 
subject to a real threat of exposure and consequently, to an actual and 
immediate health risk. Therefore, the Agency believes that good cause 
exists to take the actions set forth in this final rule without prior 
notice and comment
    As stated in section 612(c) of the Act, one of the Agency's 
objectives in implementing the SNAP program is to promulgate rules 
making it unlawful to replace any class I or class II substance with 
any substitute that EPA determines may present adverse effects to human 
health or the environment. The Agency believes that the chemical 
composition of MT-31 presents an unacceptable risk to human health, and 
that immediate action by EPA is necessary in order to avoid any 
resulting harm. The use of MT-31 in the refrigeration and air-
conditioning sector will come to a halt most quickly through the 
publication of this interim final rule. In addition, this action, 
combined with Agency outreach and communication efforts, should provide 
any current or potential users of MT-31 with immediate notice that EPA 
does not consider MT-31 to be an appropriate compound to use in the 
refrigeration and air-conditioning sector, and that potential health 
risks are associated with exposure to MT-31 during the manufacture and 
servicing of any refrigeration and air-conditioning equipment that 
contains MT-31. A full notice-and-comment rulemaking would defeat the 
regulatory objective of the SNAP program to fully ensure protection of 
human health.
    Nonetheless, EPA is providing 30 days for submission of public 
comments following today's action. EPA will consider all written 
comments submitted in the allotted time period to determine if any 
change to this action is necessary.
    Section 553(d) of the APA generally provides that rules may not 
take effect earlier than 30 days after they are published in the 
Federal Register. However, if an Agency identifies a good cause, APA 
section 553(d)(3) allows a rule to take effect earlier, provided that 
the Agency publishes its reasoning in the final rule. Since EPA has 
determined that good cause exists to remove MT-31 from the lists of 
replacement refrigerants acceptable under the SNAP program, and list it 
instead as unacceptable as a replacement refrigerant, EPA is making 
this action immediately effective in order to ensure the fullest 
protection of human health.

II. Listing of MT-31 as Unacceptable

    EPA originally listed MT-31 as an acceptable replacement 
refrigerant in a Notice of Acceptability published at 62 FR 30275 on 
June 3, 1997. In that Notice, EPA specifically listed MT-31 as 
acceptable as a substitute for CFC-12 in the following retrofitted and 
new systems:
     Centrifugal and Reciprocating Chillers
     Industrial Process Refrigeration
     Cold Storage Warehouses
     Refrigerated Transport
     Retail Food Refrigeration
     Vending Machines
     Water Coolers
     Commercial Ice Machines
     Household Refrigerators
     Household Freezers

and as a substitute for HCFC-22 in all retrofitted end-uses. EPA stated 
in the Notice that ``[t]his blend does not contain any flammable 
components, and all components are low in toxicity.''
    As noted above, however, in light of information recently reviewed 
by EPA concerning the toxicity of one of the chemicals contained in MT-
31, EPA now is greatly concerned about this chemical in replacement 
refrigerant formulations. Due to the fact that the manufacturer of MT-
31 has claimed confidentiality with respect to the chemical composition 
of MT-31, EPA is unable to identify in this interim final rule which 
chemical is the subject of the Agency's concerns.
    EPA has completed a risk screen for this chemical which indicates 
that the use of MT-31 in the refrigeration and air-conditioning end-
uses listed above is unacceptable because of the significant health 
concerns associated with these uses of the chemical contained in MT-31. 
(Note that a risk screen for the components of MT-31 is not located in 
the docket because the manufacturer of MT-31 has claimed 
confidentiality with respect to the chemical composition of MT-31.) In 
particular, EPA's risk screen indicates that MT-31 will pose a risk to 
anyone exposed to the chemical during the manufacture or servicing of 
refrigeration or air-conditioning equipment that uses refrigerant that 
contains this chemical. Because of the extremely low occupational 
exposure limit for the chemical, and the fact that worker exposure 
levels for the chemical were predicted to be above levels of concern 
for noncancer risks, this chemical, and therefore MT-31, should not be 
used in the refrigeration and air conditioning sector. It should be 
noted that today's determination has no bearing on the use of MT-31 
other than as a replacement for a class I or class II substance in the 
refrigeration and air-conditioning sector. Other industrial sectors may 
have safeguards in place to protect against worker exposure to MT-31. 
Based on the review of the available toxicity information related to 
this chemical, and the results of the EPA risk screen, EPA is today 
listing MT-31 as unacceptable for all refrigeration and air-
conditioning end-uses, whether as a substitute for a class I substance 
such as CFC-12, or as a substitute for a class II substance such as 
HCFC-22.

III. Summary of Supporting Analyses

A. Unfunded Mandates Reform Act and Regulatory Flexibility Act

    Since this action is not subject to notice-and-comment rulemaking 
requirements under the APA or any other law, it is also not subject to 
sections 202, 204 or 205 of the Unfunded Mandates Reform Act (UMRA). In 
addition, since this action does not impose annual costs of $100 
million or more on small governments or uniquely affect small 
governments, the Agency has no obligations under section 203 of UMRA. 
Moreover, since this action is not subject to notice-and-comment 
requirements under the APA or any other statute as stated above, it is 
not subject to section 603 or 604 of the Regulatory Flexibility Act.

[[Page 3864]]

B. Executive Order 12866: Review of Significant Regulatory Actions by 
OMB

    Under Executive Order 12866 (58 FR 51735, October 4, 1993), the 
Agency must determine whether this regulatory action is ``significant'' 
and therefore subject to Office of Management and Budget (OMB) review 
and the requirements of the Executive Order. The Order defines 
``significant'' regulatory action as one that is likely to result in a 
rule that may:
    (1) Have an annual effect on the economy of $100 million or more, 
or adversely affect in a material way the economy, a sector of the 
economy, productivity, competition, jobs, the environment, public 
health or safety, or State, local, or tribal governments or 
communities;
    (2) Create a serious inconsistency or otherwise interfere with an 
action taken or planned by another agency;
    (3) Materially alter the budgetary impact of entitlements, grants, 
user fees, or loan programs or the rights and obligations of recipients 
thereof; or
    (4) Raise novel legal or policy issues arising out of legal 
mandates, the President's priorities, or the principles set forth in 
the Executive Order.
    OMB has determined that this rule is not a ``significant regulatory 
action'' within the meaning of the Executive Order.

C. Paperwork Reduction Act

    EPA has determined that this final rule contains no information 
requirements subject to the Paperwork Reduction Act, 44 U.S.C. 3501 et 
seq., that are not already approved by the Office of Management and 
Budget (OMB). OMB has reviewed and approved two Information Collection 
Requests by EPA which are described in the March 18, 1994 rulemaking 
(59 FR 13044, at 13121, 13146-13147) and in the October 16, 1996 
rulemaking (61 FR 54030, at 54038-54039). The OMB Control Numbers are 
2060-0226 and 2060-0350.

D. Executive Order 12875: Enhancing Intergovernmental Partnerships

    Under Executive Order 12875, EPA may not issue a regulation that is 
not required by statute and that creates a mandate upon a State, local 
or tribal government, unless the Federal government provides the funds 
necessary to pay the direct compliance costs incurred by those 
governments, or EPA consults with those governments. If EPA complies by 
consulting, Executive Order 12875 requires EPA to provide to the Office 
of Management and Budget a description of the extent of EPA's prior 
consultation with representatives of affected State, local and tribal 
governments, the nature of their concerns, copies of any written 
communications from the governments, and a statement supporting the 
need to issue the regulation. In addition, Executive Order 12875 
requires EPA to develop an effective process permitting elected 
officials and other representatives of State, local and tribal 
governments ``to provide meaningful and timely input in the development 
of regulatory proposals containing significant unfunded mandates.''
    Today's rule does not create a mandate upon any State, local, or 
tribal governments. The rule does not impose any enforceable duties on 
these entities. Accordingly, the requirements of section 1(a) of 
Executive Order 12875 do not apply to this rule.

E. Submission to Congress and the General Accounting Office

    Under 5 U.S.C. 801(a)(1)(A) as added by the Small Business 
Regulatory Enforcement Fairness Act of 1996, EPA submitted a report 
containing this rule and other required information to the U.S. Senate, 
the U.S. House of Representatives, and the Comptroller General of the 
General Accounting Office prior to publication of the rule in today's 
Federal Register. This rule is not a ``major rule'' as defined by 5 
U.S.C. 804(2).

F. Executive Order 13045: Children's Health Protection

    This final rule is not subject to E.O. 13045, entitled Protection 
of Children from Environmental Health Risks and Safety Risks (62 FR 
19885, April 23, 1997), because it does not involve decisions on 
environmental health risks or safety risks that may disproportionately 
affect children.

G. Executive Order 13084: Consultation and Coordination With Indian 
Tribal Governments

    Under Executive Order 13084, EPA may not issue a regulation that is 
not required by statute, that significantly or uniquely affects the 
communities of Indian tribal governments, and that imposes substantial 
direct compliance costs on those communities, unless the Federal 
government provides the funds necessary to pay the direct compliance 
costs incurred by the tribal governments, or EPA consults with those 
governments. If EPA complies by consulting, Executive Order 13084 
requires EPA to provide to the Office of Management and Budget, in a 
separately identified section of the preamble to the rule, a 
description of the extent of EPA's prior consultation with 
representatives of affected tribal governments, a summary of the nature 
of their concerns, and a statement supporting the need to issue the 
regulation. In addition, Executive Order 13084 requires EPA to develop 
an effective process permitting elected officials and other 
representatives of Indian tribal governments ``to provide meaningful 
and timely input in the development of regulatory policies on matters 
that significantly or uniquely affect their communities.''
    Today's rule does not significantly or uniquely affect the 
communities of Indian tribal governments. The rule does not impose any 
enforceable duties on these entities. Accordingly, the requirements of 
section 3(b) of Executive Order 13084 do not apply to this rule.

H. National Technology Transfer and Advancement Act

    The National Technology Transfer and Advancement Act of 1995 
(NTTAA), Sec. 12(d), Pub. L. 104-113, requires federal agencies and 
departments to use the technical standards that are developed or 
adopted by voluntary consensus standards bodies, using such technical 
standards as a means to carry out policy objectives or activities 
determined by the agencies and departments. If use of such technical 
standards is inconsistent with applicable law or otherwise impractical, 
a federal agency or department may elect to use technical standards 
that are not developed or adopted by voluntary consensus standards 
bodies if the head of the agency or department transmits to the Office 
of Management and Budget an explanation of the reasons for using such 
standards.
    This proposed rule does not mandate the use of any technical 
standards; accordingly, the NTTAA does not apply to this rule.

IV. Additional Information

    For copies of the comprehensive SNAP lists or additional 
information on SNAP, contact the Stratospheric Protection Hotline at 1-
800-296-1996, Monday-Friday, between the hours of 10:00 a.m. and 4:00 
p.m., Eastern Time.
    For more information on the Agency's process for administering the 
SNAP program or criteria for evaluation of substitutes, refer to the 
SNAP final rule published in the Federal Register on March 18, 1994 (59 
FR 13044). Notices and rules published under the SNAP program, as well 
as EPA publications on protection of atmospheric ozone, are available 
from EPA's Ozone World Wide Web site at http://www.epa.gov/ozone/

[[Page 3865]]

title6/snap, and from the Stratospheric Protection Hotline number 
listed above.

List of Subjects in 40 CFR Part 82

    Environmental protection, Administrative practice and procedure, 
Air pollution control, Reporting and recordkeeping requirements.

    Dated: January 19, 1999.
Carol M. Browner,
Administrator.

    40 CFR Part 82 is amended as follows:

PART 82--PROTECTION OF STRATOSPHERIC OZONE

    1. The authority citation for part 82 continues to read as follows:

    Authority: 42 U.S.C. Sec. 7414, 7601, 7671-7671q.

    2. Subpart G is amended by adding Appendix E to read as follows:

Subpart G--Significant New Alternatives Policy Program

* * * * *

Appendix E to Subpart G--Unacceptable Substitutes Listed in the 
Janaury 26, 1999 Final Rule, Effective Janaury 26, 1999

                       Refrigeration and Air-Conditioning Sector Unacceptable Substitutes
----------------------------------------------------------------------------------------------------------------
               End-use                 Substitute          Decision                       Comments
----------------------------------------------------------------------------------------------------------------
All refrigeration and air-                   MT-31  Unacceptable..........  Chemical contained in this blend
 conditioning end uses.                                                      presents unacceptable toxicity
                                                                             risk.
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[FR Doc. 99-1764 Filed 1-25-99; 8:45 am]
BILLING CODE 6560-50-P