THESE DATA WILL BE USED TO DETERMINE
IF THERE ARE DIFFERENCES BETWEEN THE DISTRIBUTION OF BARIUM LEVEL
IN EXFOLIATED DECIDUOUS TEETH COLLECT FROM CHILDREN LIVING IN HIGH
AND LOW LEVEL BARIUM COMMUNITIES. THIS ANALYSIS WILL ENABLE US TO
ANSWER THE QUESTION "ARE TOOTH BARIUM LEVEL HIGHER IN A HIGH BARIUM
COMMUNITY THAN IN A LOW BARIUM COMMUNITY?"
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.