[Code of Federal Regulations]
[Title 40, Volume 17]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR86.094-22]

[Page 266-268]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 86_CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND 
ENGINES--Table of Contents
 
Subpart A_General Provisions for Emission Regulations for 1977 and Later 
 
Sec. 86.094-22  Approval of application for certification; test fleet 

selections; determinations of parameters subject to adjustment for 
certification and Selective Enforcement Audit, adequacy of limits, and 
          physically adjustable ranges.

    (a) After a review of the application for certification and any 
other information which the Administrator may require, the Administrator 
may approve the application and select a test fleet in accordance with 
Sec. 86.094-24.
    (b) Disapproval of application. (1) The Administrator may disapprove 
in whole or in part an application for certification for reasons 
including incompleteness, inaccuracy, inappropriate proposed mileage (or 
service) accumulation procedures, test equipment, or fuel; or 
incorporation of defeat devices in vehicles (or on engines) described by 
the application.
    (2) The issuance of a certificate of conformity does not exempt the 
covered vehicles from further evaluation or testing for defeat device 
purposes as described in Sec. 86.094-16.
    (c) Where any part of an application is rejected, the Administrator 
shall notify the manufacturer in writing and set forth the reasons for 
such rejection. Within 30 days following receipt of such notification, 
the manufacturer may request a hearing on the Administrator's 
determination. The request shall be in writing, signed by an authorized 
representative of the manufacturer and shall include a statement 
specifying the manufacturer's objections to the Administrator's 
determinations, and data in support of such objections. If, after the 
review of the request and supporting data, the Administrator finds that 
the request raises a substantial factual issue, he shall provide the 
manufacturer a hearing in accordance with Sec. 86.078-6 with respect to 
such issue.
    (d) Approval of test procedures. (1) The Administrator does not 
approve the test procedures for establishing the evaporative emission 
deterioration factors for light-duty vehicles and light-duty trucks. The 
manufacturer shall submit the procedures as required in Sec. 86.094-
21(b)(4)(i) prior to the Administrator's selection of the test fleet 
under Sec. 86.094-24(b)(1), and if such procedures will involve testing 
of durability data vehicles selected by the Administrator or elected by 
the manufacturer under Sec. 86.094-24(c)(1), prior to initiation of 
such testing.
    (2) Light-duty trucks using the Standard Self-Approval durability 
Program and heavy-duty engines only. The Administrator does not approve 
the test procedures for establishing exhaust emission deterioration 
factors for light-duty trucks using the Standard Self-Approval 
Durability Program described in Sec. 86.094-13(f) nor for heavy-duty 
engines. The manufacturer shall submit these procedures and 
determinations as required in Sec. 86.094-21(b)(5)(i) prior to 
determining the deterioration factors.
    (3) Heavy-duty vehicles equipped with gasoline-fueled or methanol-
fueled engines only. The Administrator does not approve the test 
procedures for establishing the evaporative emission deterioration 
factors. The test procedure will conform to the requirements in Sec. 
86.094-23(b)(3).
    (e) Parameter adjustment requirements. When the Administrator 
selects emission data vehicles for the test fleet, he will at the same 
time determine those vehicle or engine parameters which will be subject 
to adjustment for certification, Selective Enforcement Audit and 
Production Compliance Audit testing, the adequacy of the limits, stops, 
seals, or other means used to inhibit adjustment, and the resulting 
physically adjustable ranges for each such parameter and will then 
notify the manufacturer of his determinations.
    (1) Determining parameters subject to adjustment. (i) Except as 
noted in paragraph (e)(1)(iv) of this section, the Administrator may 
determine to be subject to adjustment the idle fuel-air mixture 
parameter on Otto-cycle vehicles (or engines) (carbureted or fuel-
injected); the choke valve action parameter(s) on carbureted, Otto-cycle 
vehicles (or engines); or any parameter on any vehicle (or engine) 
(Otto-cycle or diesel) which is physically capable of

[[Page 267]]

being adjusted, may significantly affect emissions, and was not present 
on the manufacturer's vehicles (or engines) in the previous model year 
in the same form and function.
    (ii) The Administrator may, in addition, determine to be subject to 
adjustment any other parameters on any vehicle or engine which is 
physically capable of being adjusted and which may significantly affect 
emissions. However, the Administrator may do so only if he has 
previously notified the manufacturer that he might do so and has found, 
at the time he gave this notice, that the intervening period would be 
adequate to permit the development and application of the requisite 
technology, giving appropriate consideration to the cost of compliance 
within such period. In no event will this notification be given later 
than September 1 of the calendar year two years prior to the model year.
    (iii) In determining the parameters subject to adjustment, the 
Administrator will consider the likelihood that, for each of the 
parameters listed in paragraphs (e)(1) (i) and (ii) of this section, 
settings other than the manufacturer's recommended setting will occur on 
in-use vehicles (or engines). In determining likelihood, the 
Administrator may consider such factors as, but not limited to, 
information contained in the preliminary application, surveillance 
information from similar in-use vehicles (or engines), the difficulty 
and cost of gaining access to an adjustment, damage to the vehicle (or 
engine) if an attempt is made to gain such access and the need to 
replace parts following such attempt, and the effect of settings other 
than the manufacturer's recommended setting on vehicle (or engine) 
performance characteristics including emission characteristics.
    (iv) Manual chokes of heavy-duty engines only will not be considered 
a parameter subject to adjustment under the parameter adjustment 
requirements.
    (2)(i) The Administrator shall determine a parameter to be 
adequately inaccessible or sealed if:
    (A) In the case of an idle mixture screw, the screw is recessed 
within the carburetor casting and sealed with lead, thermosetting 
plastic, or an inverted elliptical spacer or sheared off after 
adjustment at the factory, and the inaccessibility is such that the 
screw cannot be accessed and/or adjusted with simple tools in one-half 
hour or for $20 (1978 dollars) or less;
    (B) In the case of a choke bimetal spring, the plate covering the 
bimetal spring is riveted or welded in place, or held in place with 
nonreversible screws;
    (C) In the case of a parameter which may be adjusted by elongating 
or bending adjustable members (e.g., the choke vacuum break), the 
elongation of the adjustable member is limited by design or, in the case 
of a bendable member, the member is constructed of a material which when 
bent would return to its original shape after the force is removed 
(plastic or spring steel materials);
    (D) In the case of any parameter, the manufacturer demonstrates that 
adjusting the parameter to settings other than the manufacturer's 
recommended setting takes more than one-half hour or costs more than $20 
(1978 dollars).
    (ii) The Administrator shall determine a physical limit or stop to 
be an adequate restraint on adjustability if:
    (A) In the case of a threaded adjustment, the threads are 
terminated, pinned, or crimped so as to prevent additional travel 
without breakage or need for repairs which take more than one-half hour 
or cost more than $20 (1978 dollars);
    (B) The adjustment is ineffective at the end of the limits of travel 
regardless of additional forces or torques applied to the adjustment;
    (C) The manufacturer demonstrates that travel or rotation limits 
cannot be exceeded with the use of simple and inexpensive tools 
(screwdriver, pliers, open-end or box wrenches, etc.) without incurring 
significant and costly damage to the vehicle (or engine) or control 
system or without taking more than one-half hour or costing more than 
$20 (1978 dollars).
    (iii) If manufacturer service manuals or bulletins describe routine 
procedures for gaining access to a parameter or for removing or 
exceeding a physical limit, stop, seal or other means used to inhibit 
adjustment, or if surveillance

[[Page 268]]

data indicate that gaining access, removing, or exceeding is likely, 
paragraphs (e)(2)(i) and (ii) of this section shall not apply for that 
parameter.
    (iv) In determining the adequacy of a physical limit, stop, seal, or 
other means used to inhibit adjustment of a parameter not covered by 
paragraph (e)(2)(i) or (ii) of this section, the Administrator will 
consider the likelihood that it will be circumvented, removed, or 
exceeded on in-use vehicles. In determining likelihood, the 
Administrator may consider such factors as, but not limited to, 
information contained in the preliminary application; surveillance 
information from similar in-use vehicles (or engines); the difficulty 
and cost of circumventing, removing, or exceeding the limit, stop, seal, 
or other means; damage to the vehicle (or engine) if an attempt is made 
to circumvent, remove, or exceed it and the need to replace parts 
following such attempt; and the effect of settings beyond the limit, 
stop, seal, or other means on vehicle (or engine) performance 
characteristics other than emission characteristics.
    (3) The Administrator shall determine two physically adjustable 
ranges for each parameter subject to adjustment:
    (i)(A) In the case of a parameter determined to be adequately 
inaccessible or sealed, the Administrator may include within the 
physically adjustable range applicable to testing under this subpart 
(certification testing) all settings within the production tolerance 
associated with the nominal setting for that parameter, as specified by 
the manufacturer in the preliminary application for certification; or
    (B) In the case of other parameters, the Administrator shall include 
within this range all settings within physical limits or stops 
determined to be adequate restraints on adjustability. The Administrator 
may also include the production tolerances on the location of these 
limits or stops when determining the physically adjustable range.
    (ii)(A) In the case of a parameter determined to be adequately 
inaccessible or sealed, the Administrator shall include within the 
physically adjustable range applicable to testing under subparts G or K 
(Selective Enforcement Audit and Production Compliance Audit) only the 
actual settings to which the parameter is adjusted during production; or
    (B) In the case of other parameters, the Administrator shall include 
within this range all settings within physical limits or stops 
determined to be adequate restraints on adjustability, as they are 
actually located on the test vehicle (or engine).
    (f) Submittal of advance information. (1) If the manufacturer 
submits the information specified in Sec. 86.094-21(b)(1)(ii) in 
advance of its full preliminary application for certification, the 
Administrator shall review the information and make the determinations 
required in paragraph (e) of this section within 90 days of the 
manufacturer's submittal.
    (2) The 90-day decision period is exclusive of the elapsed time 
during which EPA may request additional information from manufacturers 
regarding an adjustable parameter and the receipt of the manufacturers' 
response(s).
    (g) Within 30 days following receipt of notification of the 
Administrator's determinations made under paragraph (e) of this section, 
the manufacturer may request a hearing on the Administrator's 
determinations. The request shall be in writing, signed by an authorized 
representative of the manufacturer, and shall include a statement 
specifying the manufacturer's objections to the Administrator's 
determinations, and data in support of such objections. If, after review 
of the request and supporting data, the Administrator finds that the 
request raises a substantial factual issue, he shall provide the 
manufacturer a hearing in accordance with Sec. 86.078-6 with respect to 
such issue.

[48 FR 4010, Jan. 12, 1993]