The petition for the white lead crys talline compound has been pending since 1973.

Leonard reported chromosomal changes In workers exposed to undetermined levels of Lead and Cadmium.

This gave a time-weighted average concentration for lead of less than 0.004 ng/M^.

Tests with animals indicate that high doses of ingested lead will lead to excess numbers of cancers among the animals.

Lead < 0.05 mg/M3 Not pouring.

National Lead (P.

Krueger Ozark Lead Company J.

National Lead (P.

The petition for the white lead crys talline compound has been pending since 1973.

Tests with animals indicate that high doses of ingested lead will lead to excess numbers of cancers among the animals.

Pollution by lead has been largely contributed to by the use of petrol containing lead.

I recommend blood lead determinations and sp jcifically suggest that the assays be done by: ESA Laboratories P. 0.'

Stewart: Thank you very much for your letter re jtarding legislation to ban the use of lead in paint Please excuse the delay in my reply.

The action levels jJfV Lhe TLV) of the above chemicals are as follows: (1) Lead - O.

None contained more than trace concentrations of lead.