REP CRT CP THE PRESIDENT to th* BCARD CF DIRECTORS For tho Socond Quartor - Fiscol Yoor 1958.

Lead arsenate, a common insecticide spray, presents nu arsenic poisoning hazard for both tree sprayers and insecticide workers.

He may certainly be regarded as a leading authority and I have read his work on this subject with great interest and profit* He states in "Silicosis and Asbestosis* edited by Lanza (1933), "With regard to the radiological classification of asbestosis, I should Include only two states, asbestosis moderately advanced and asbestosis markedly advanced* I feel certain that the roentgenologic diagnosis of the clinically early stage of asbestosis is not entirely reliable."

Lead f ames so dense that the air was blue down two and three and lower decks where there was no ventilation what ever.

mm. l INDEXED |e 13553 CC: Q.

BED OXHE PRIMER LIQUID BED LEAD CHROMATE PRIMER 7522 Chromate Primer WHITE GALVANIZED IRON PRIMER #5472 BLACK GRAPHITE PAINT #2268 WHITE ENAMEL SCREEN ENAMEL 481 Blade 5.80 7.20 7.30 5.95 5.35 7.15 STOVE PIPE ENAMEL 475 Store Pipe Enamel SPEDENE ENAMEL Regular Colors and Clear Black Red Reducer Primer Surfacer Gray and White JAPALAC CLEAR GLOSS QUICK DRYING JAP SPAR VARNISH ROCK SPAR' VARNISH RAPID-COTE VARNISH LIK-A-RUB SATIN FINISH - GLED-OXL SEAL PENE-GLID VARNISH WEAHETTE & FLORETTE BLACK VARNISHES Black Asphaltum Black Japan High Heat Black Page 4 EFFECTIVE APRIL 25, 1956 l's EACH iA EACH 1/16 EACH 1/32 EACH 5.90 7.30 1.73 7.40 6.05 5A5 7-25 4-.60 1.40 .4-7 4.10 1.28 M .32 8.55 7.65 9.05 2.95 5.95 7.65 7.30 7.40 7.05 7.05 5.10 5.50 7.05 3.60 3.60 4.15 2.39 2.16 2.52 .99 1.74 2.18 2.08 2.18 2.02 2.02 1.53 1.63 2.02 1.15 1.15 1.29 .71 .66 .74.36 .55 .67 .64- .67 .64 .64- .54- .64- .4-2 .42 .44- GLD0260I9 CONFIDENTIAL NET PRICE LIST NO. 16 MANITOBA.

To follow-up on the leads generated by these studies, we have embarked on a series of field studies in several areas of the country where rotes for respiratory cancer are unusual.

Type Structure Advantag e Disadvant age Chart: Proton Exchange Classification Perfluorosulfonic acid Non Fluorinated Composite proton exchange perfluorinated proton exchange membrane membrane proton exchange membrane membrane Consisting of a Fluorocarbon Hydrocarbon Composite carbon nitrogen main based, carbon groups, usually membrane chain and an ether chloride containing proton composed of branch chain with compounds, or conducting groups modified sulfonic acid groups aromatic side materials and chains perfluorosulfonic acid resin High mechanical Low cost, grafting Low cost, low Improved strength, good of proton link pollution, mechanical chemical stability, exchange groups high mechanical performance, high conductivity, in the side chain strength improved water high current density structure can transmission and at low temperatures, improve proton distribution and low proton conductivity within the conduction resistance membrane, and reduced internal resistance of proton exchange membranes The increase in Short lifespan and Poor chemical High technical temperature leads to poor stability: and thermal requirements for poor proton performance at stability; Low preparation conductivity, which is room temperature proton prone to chemical degradation and high cost at high temperatures is inferior to perfluorosulfonic acid proton membranes conductivity Figure 2Classification of Proton Exchange Membranes Existing and Under Development in the Market According to the calculations, demand for proton exchange membranes in the four fields of hydrogen production from electrolyzed water, hydrogen fuel cells, vanadium flow batteries and iron chromium flow batteries will reach 867000, 1691000,3147000 and 16702000 m2 square meters totally from 2023 to 2026, the market size is expected to reach 25 billion yuan by 2026.

IV CONTINUOUS 3 Identification of material In piping by color code. 7 Unauthorized personnel entering operating areas. 9 Railroad cars dispatched to railroad shops In contaminated condition. 11 Priority of expansions vs. existing plant engineer ing and research work. 12 Field Communications 16 Routine Inspection of turbine over-speeds not followed. 17 Routine relief valve Inspection not followed. 20 Minimum job training of Operators 23 Equipment Is being operated at above design conditions. 24 Caustic piping 29 Wystemlc poisoning of personnel by lead oxide In lead pot area.

-rlnc,* which instead of discussing the ass or lead lth rtrloua ccrroriYoa, evaluate the use of load la various lodoitriee handling comilw asterlals. ..

PLAINTIFF'S EXHIBIT USX-1204 Threshold Limit Values for 1958 Adopted at the 20th Annual Meeting of the American Conference of Governmental Industrial Hygienists Atlantic City, April 19-22, 1958 Reprinted from the A.

Stafford Warren suggested that the "safe** exposure level for uranium be the same as that for lead, 0.15 mg/cu.m.

Perkins - American Zinc, Lead & Smelting Company Wesley H.

Some of our most important raw materials, such as tin plate, zinc, lead, titanium, phthalic anhydride, certain colors and many chemicals are under allocation or restriction by Government Directives.

099 Leaded Zinc Lithopano t-tl*, 000 ff*o.