EPA's Office of Research and
Development proposes to conduct a residential and personal exposure
field monitoring study in the city of Detroit MI over a three-year
period from 2004 to 2007. The primary goal of the study is to
evaluate and describe the relationship between air toxics and PM
constituents measured at a central site monitor and measurements of
residential and personal concentrations. An emphasisis placed on
understanding the impact of local sources (point and mobile) on
outdoor residential concen trations and the impact of housing type
and house operation on indoor concentrations. Personal monitoring
will be conducted....
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.