THE EMISSIONS FACTOR SURVEY TESTS A
RANDOM SAMPLE OF PRIVATELY OWNED MOTOR VEHICLES, STRATIFIED BY
CLASS OF VEHICLE AND BY MILEAGE OF VEHICLE-USE WITHIN EACH CLASS,
FOR THE PURPOSE OF CHARACTERIZING LEVEL OF EXHAUST POLLUTANTS FOR
EACH COMBINATION OF CLASS AND MILEAGE IN THE SAMPLE. THE DATA
GENERATED BY THIS SURVEY ARE USED TO MODEL AIR POLLUTION
ATTRIBUTABLE TO MOBILE SOURCES AND TO DETERMINE THE IMPACT O
REGULATIONS AND THE BENEFITS OF CONTROL PROGRAMS.
On behalf of this Federal agency, I certify that
the collection of information encompassed by this request complies
with 5 CFR 1320.9 and the related provisions of 5 CFR
1320.8(b)(3).
The following is a summary of the topics, regarding
the proposed collection of information, that the certification
covers:
(i) Why the information is being collected;
(ii) Use of information;
(iii) Burden estimate;
(iv) Nature of response (voluntary, required for a
benefit, or mandatory);
(v) Nature and extent of confidentiality; and
(vi) Need to display currently valid OMB control
number;
If you are unable to certify compliance with any of
these provisions, identify the item by leaving the box unchecked
and explain the reason in the Supporting Statement.