These doses lead us to the conclusion that Aroclor 1268 is not particularly toxic from the standpoint of acci dental ingestion or massive skin exposure, v }' ' " * -' f* 'V In connection with the vapor inhalation mentioned earlier, we do not have chronio animal data for this particular Aroclor* Based on studies on other members of this series of compounds, we would suggest that a Threshold Limit Talua for eight hour daily Inhala tion would be between 0.5 and 1.0 milligram per cubic meter of air.

f it oust, shiptfocd, painte/cA and othe/co. who boo eo te n th G.f lead eXaoAAaA GAS, 4 UAUetfed o+uzAt&i-Lf bif liAhnaAif poAnheptin. deteAuiibiatioino.. 9n.fo*zvaX. dh AC; 'AAiro k a w ith fitedicaJt, dieectnAO. f-toiz the- auto induA&uf tnA icatc, id:z&l a e r e a b-Lnod he. ad, deteA>?

Costa Rica a:r pollution from 597 Kerosene, contamination of water supply 611 Kidneys, mild intermittent proteinuria 555 Laser(s) design of medical laboratory for hazards and controls 585 596 Lead poisoning cnelation oy calcium trisodium oentetate (DTPA> 567 Leuxerr.ta, m husbands and wives 554 Los Angeles respiratory symptoms from air pollution 602 Lung!

PPG Industries National Lead Monsanto Kentucky Asphalt Diamond Shamrock St.

B at | lead % ttpfi. < RtiJ ill ( .vhjfied--: t AT AMi -s M ( ill 1 j Dave Soutor of Gilroy, a vet1 | eras who won thin tojmii- i inn!

^ Beilis Carbowska ~ effective Bovenber 1, 1946 Martha KeKeown - effective December 1, 1946 On notion duly made and sec raided, it was unanimously decided to make application for a CAB in the amount of 14,000*00 to cover the purchase of a 15" hydraulic water cylinder for our cold slug extrusion press* On motion duly made and seconded it was unanimously decided to mako applies* ties for a CAB ia the estimated amount of $18,000*00 for eulphurle sold handling equipment to bo used in the production of tri-basic load sulphate and Plumbal1 (or precipitated lead silicate} It was encouraging to loara from Mr* Wilson that he had just received the Linseed Oil Department operations statement adjusted for inoreaoo ia normal atoek deficiency prieo from the General Office, indicating that for the nine months we had actually shown an operating profit of $69,72$*78} in other words, the lose shown in our regular nine months* figures was dus to the operation of the normal stock system* There being no further business, upon motion the meeting adjourned* N 26715

HXOSH does not intend to make any agreements to withhold information from any individual or his representative, the lack of which could reasonably be expected to lead to his death or lsq>airment of his health.

In that letter he states t-hat NEMA is considering changing the Industrial Control Standards parts 43 and 44 to specify in part "The holding brakes for hoist motors with control braking shall have a rated torque of not less.than 150$ of the full lead hoisting torque at the point where the brake is applied".

b) Dow to grant J-M a lead time of agreed-on duration for commercial exploitation.

Dear Bob: We have some data on the "normal" levels of lead in the blood, urine, and tissues of rabbits, which I shall be glad to dig out and have assembled for you.

Continuous or prolonged exposure then can lead to drying and chapping of the skin. 5.

In addition, prolonged and repeated skin contact may lead to skin Irritation. ws alao feal that vapor initalatlan should be avoided when tl* fluid le heated to elevated temperatures, Such exposure again relates to prolonged or repeated expoeuree rather than short-term massive or acute expoeuree.

This could possibly lead toward the acceptance of mineral fiber pipe insulation, duct board and duct liner by these agencies.

Lead Induatrla# Aaaoelatloa, las. board Ro o k - Ittfc floor ?

. - Teark C ( have Ieffect reviewed the upon becass general problem of the dust harard of insulations and their Asbestos as found in Kaylo then breathed into the lungs conses abertosis which often leads to lung cancer Manville denies that this is true I have re- priate of three medical articles on the mobject One article describes the case history history and autopsoyf an insulator who died of lung cancer he also smoked three packs of cigarettes The second paper describes the affect of asbestos c > several bandred nice which was sommbat incenclus The third paper tells of the problems of asbestosis in en asbestos textile plant in Berth Carolim The state of Forth Carolina requires Irays und canimations for all people working with axbestes and free silica materials an y as Tt oa eo ao, Be a ' Beer According to studies on guinea pigs by Hiller and Sayers Knolla dust is ieart .