NEW YORK The U.S.
Environmental Protection Agency is seeking comment on a draft
review of the national ambient air quality standards for
primary and secondary lead, although no revisions are being
proposed at this time.
"The analyses presented in the
draft to address such questions led to preliminary staff
conclusions that it is appropriate to consider retaining the
current primary and secondary standards without revision;
accordingly, no potential alternative standards have been
identified by staff for consideration in this review," the EPA
The Clean Air Act requires
periodic reviews of existing air quality criteria to reflect
advances in scientific knowledge on the effects of pollutants
on public health or welfare.
The deadline for public comment is Feb. 4.