o ,i LEAD INDUSTRIES ASSOCIATION **J UCtiHOTOM AVKHV* s u b j e c t TO RKVISIOH NSW rows 17, N.

Mica dust was found to lead to some degree of nodular formation in the lungs, but the asbestos dust set up diffuse fibrosis only.

It is our feeling that competent and proper authorities in California should be given complete and factual Information on TEL and other lead compounds in the atmosphere.

Mica dust was found to lead to some degree of nodular formation in the lungs, but the asbestos dust set up diffuse fibrosis only.

All of the leading companies in the United States have already hod samples of Aroclor and some have conducted fairly extensive studies of its applicabilities.

----V,: -1-:;r ' f>s7 - (1> In a group of approximately, 15.000 lead handlers in United; ,, refinarles we have noted'no"iactiW'^n^Mwm of v:j7- rat^lXd7hSSiersScver&that..found in:ths-:7 ,,.Bplcye who Mends tetraethyllead^eindthol;'g7acsoonldiniteicisininowurflnoepirnyio^n#..-?

Two gasolines, with and without lead tetraethyl, will be used.

The February issue of SAFETY ENGINEERING mentions the Foundation in its lead editorial.

Shropshire advised that he had now been ahle to raise the maximum lead content of the fume which would be acceptable for this purpose to 0. 04 per cent lead.

Itsais fiiiich require th Lead Warning (Caution H 2-55, K 2-55* cr L 2-55) Page 2 ----------February 11, 1955 Shall Paint - Citron Stucco*, Concrete & Ifesonry Finish Pueblo Tallow Brick & Stucco Paint Y/hite Crm Kssa Tinting Colors Red Orange Yellow Gresr* 0007-SWP-048310 . ft 0032-SWP-0030486

Chemical, Pigment, Metals and Mining Division includes the manufacture and distribution of titanium dioxide, lithopone, cadmium colors, barytes, white lead, powdered lead, powdered copper and the mining of barytes, zinc and copper. 5.

Specht began his employment with National Lead in 1935 as a bookkeeper with the Pacific Coast Branch.

Mica dust was found to lead to some degree of nodular formation in the lungs, but the asbestos dust set up diffuse fibrosis only.

Chemical, Pigment, Metals and Mining Division includes the manufacture and distribution of titanium dioxide, lithopone, cadmium colors, barytes, white lead, powdered lead, powdered copper and the mining of barytes, zinc and copper. 5.

Mica dust was found to lead to some degree of nodular formation in the lungs, but the asbestos dust set up diffuse fibrosis only.