They find an increase in lung cancer in U.S. counties where there is copper, lead, or zinc smelting.

Open valves on rack riser and load ing arm and fill car* b* Lead all ears shel.l~fu.il* c* All, ears filled MUST he loaded at least to shell^full* d* Lay car seal in relief valve hous. ing of car on dome* e.

/ . 4,, Load Car' ' s,, Open valves on rack riser and loading arm and fill car 0 bo Lead all ears shel.l~fu.il * ' - 1 Co All, ears filled MUST he loaded at least to shell .fnil , ' do Lay car seal in relief valve hous- . ing of car on dome, ' . ' . o Pill out sample tag and place on ' 11 grab" rail of dome while car is loading 0

The term f,lead particles" will be recognized as meaning "lead-containing particles

Quantitative Evaluation of Lead and Biochemical Indices of Lead Exposure in Physiological Media............... ....................................................................

Quantitative Evaluation of Lead and Biochemical Indices of Lead Exposure in Physiological Media ....................................... .................................. > Metabolism of Lead ................_____ ___ .......... ..

It was nevertheless an interesting experiment and will no doubt lead to more productive efforts.

t ;^ J i " 6; TOXICOLOGY ~~ y^p & / PLAINTIFF'S EXHIBIT The field of toxicology and the study of the various toxic materials and hazards encountered in industry can be conveniently divided into the following main classifications: \ A.

PRELIMINARY DRAFT BULLETIN NO. 0- ENVIRONMENTAL EVALUATION -- PRODUCTS AND PROCESSES I.

H eat-resistant clothing (fiberglass, cotton or asbestos coated or impregnated with B ctetfw r f ^ Confidential (Kubota)Labor Safety and Kvsdene Monthly Report (July. 1962) aluminum) is effective in blocking heat. 7) Operation where workers are exposed to harmful radiation 8) Protective clothes, goggles and gloves containing lead must be worn to prevent injuries from X-rays, radium and other harmful radiation (As stipulated in Article 31 (Protective gears) of Prevention Orders against Injuries Inflicted by Ionizing Radiation) 1) Operation where gases, steam, dust or foreign materials may be dispersed 2) 1.

Othor potential rxpoBurec ore to oxidon of nitrogen, merceptnnB, ammonia, ehlurlno, toluol, xylol and other aromatics, acetone, methyl ethyl kotonc, methyl propyl ke tone, methyl chloride, carbon totrachlorido, boron trifluorido, aluminum chloride, hydrogen chlorido, otilfur trioxide, lead tetraethyl, phenol, eulfur trioxide, aliphatic hydrocarbons both caturntec. and unsatureted, vaporized lube and grease additives, vnporizod and sublimed plact1cizcrs, alcoholG from methyl to iao-octyl, ethern, esters, and othorB.

.* It la true that cancer now cautet about one-Mth of all daatha m the U.S.. and that makaa It tha aacond leading cauaa of deadt. attar naan diaaaaa.

PRELIMINARY DRAFT BULLETIN NO. 0- ENVTRONMENTAL EVALUATION -- PRODUCTS AND PROCESSES I.

One worker has obtained evidence that tetraethyl pyrophosphate has a salty taste.

Chemical Compatibility Data on TefzelTM (continued) (Based on Tests of Representative Materials and Engineering Judgment) Chemical Diethylamine Diethylene Triamine Diglycolic Acid Diisobutyl Ketone Diisobutylene Dimethyl Formamide Dimethyl Phthalate Dimethyl Sulfate Dimethyl Sulfoxide Dimethylamine Dimethylaniline Dioctyl Phthalate p-Dioxane Diphenyl Ether Divinyl Benzene E Epichlorhydrin Ethyl Acetate Ethyl Acrylate Ethyl Alcohol Ethyl Chloride Ethyl Chloroacetate Ethyl Cyanoacetate Ethylacetoacetate Ethylamine Ethylene Bromide Ethylene Chloride Ethylene Chlorohydrin Ethylene Diamine Ethylene Glycol Ethylene Oxide F Fatty Acids Ferric Chloride (50% in H2O) Ferric Hydroxide Ferric Nitrate Ferric Sulfate Ferrous Chloride Ferrous Hydroxide Ferrous Nitrate Ferrous Sulfate Fluorine (Gaseous) Fluoroboric Acid Maximum Use Temperature F C 230 110 212 100 212 00 230 110 275 135 250 120 212 100 150 65 212 100 120 50 275 135 150 65 150 65 175 80 175 80 150 65 150 65 212 100 300 150 300 150 212 100 212 100 150 65 100 40 300 150 300 150 150 65 120 50 300 150 230 110 300 150 300 150 300 150 300 150 300 150 300 150 300 150 300 150 300 150 100 40 275 135 Chemical Fluosilicic Acid Formaldehyde (37% in H2O) Formic Acid FreonTM 11 FreonTM 12 FreonTM 22 Fuel Oil Fumaric Acid Furane Furfural G Gallic Acid Gas Manufactured Gas Leaded Gasoline Natural Gasoline Sour Gasoline Unleaded Gasoline Glycerol Glycol Glycolic Acid H Heptane Hexane Hydrazine Hydrazine Dihydrochloride Hydriodic Acid Hydrobromic Acid (50%) Hydrochloric Acid (20%) Hydrochloric Acid (Conc.)