For a residential The lanes leading from the turnpike to the gasoline pumps system, where initial cost must be at a minimum, the designs- and parking areas should be rated as Class II areas.

Abst. 18, #7, 136 (July I960) anon Pitched roofs (in French), Paris, Association HLe Toit", 1959. 33PP A pamphlet describing roofs of aluminum, asbestos cement, copper, galvanized sheet, lead, tiles, and zinc.

Backed by research find Increasing concern over the health haz ings that exposure to asbestos dust can ards associated with asbestos is shak lead to lung disorders, insulation work ing up the makers of high-temperature ers have been pressing compensation insulation, a ubiquitous product that claims in court against contractors and, covers pipes and boilers in power more recently, against manufacturers.

'I > 17234 THE UNIVERSAL BOILER The Severn Boiler leads in appearance, design and advanced features.

A nine-mile paved private road leads from a San Benito County road, and follows the San Benito River to the Joe Pit.

AMERICAN INDUSTRIAL HYGIENE ASSOCIATION 14125 Prevost Detroit 27 Michigan Please send the following number of copies of hygienic Guides at .25 each _Acetaldehyde Acetic Acid an Acetone Acrylonitrile Amyl Acetate Anhydrous Ammonia _ Aniline Arsine Asbestos Asbestos BenBz enzenee Bn enze ene BeryBlerylllium iBeruyllmium _Butyl Alcohol __ Cadmium _Carbon Disulfide aw Carbon Monoxide -Carbon Tetrachlo ride Chromic Acid 1,2 Dichloroethane Dimethylformamide _Ethyl _Ethyl Alcohol Nitrogen Dioxide EthylEthyl Benzene _ Ozone Ethylene Dibromide Pentachlorophenol and " Ethylene Glycol Mono- Sodium Pentachloro- methyl Ether phenate Fluoride Bearing Dusts and Fumes a _Phenol _Phenol Phosphoric Acid Fluorine aPyridine aw Formaldehyde Silica Amorphous Hydrogen Cyanide Silica Free Silica Sili- Hydrogen Fluoride con Dioxide __Hydrogen Peroxide Hydrogen Hydrogen Sulfide Hydrazine Sulfur Dioxide woe Sulfuric Acid Toluene Lead and its Inorganic Toluene 2,4 Diisocya- Compounds nate Mercury Methyl Alcohol www Trichlorethylen TrichloroethTyriclhloreoetnhyleene -1,1,1 -Trichloroethane Methyl Bromide Uranium Natural Methyl Methyl Ethyl Ketone Vanadium Pentoxide Methylene Dichloride Xylene Nickel Carbonyl Zinc Oxide Please send _loose leaf binder for the Hygienic Guides at 1.25 each Name Address City Zone State Remittance must accompany orders for less than 2.00 Discount of 20 on orders of five or more Guides % discount on orders of 100 or more Guides

Kitto Physical Sciences Laboratory, Chamber of Mines of South Africa Abstract Events leading to the development of the latest methods used in South Africa for the measurement of dust are described briefly.

The 2nd chromatog acid hinder the digestion, leading to low N values, while

Kublt bresksr and screens hat been totally enclosed and fitted with exhaust ducts which eonaaet to duetlng leading to a Rotoeloaa dust collsetor.

Where exact performance data are not available, this assumption is a desirable one since it leads to a conservatively large determination of the power required.

In the Paint Division we follow up on hygiene problems In the paint plants and at present, we are checking on exposure to cadmium, chromate, lead and other toxic materials which are used daily in the Paint Division.

While animal experimentation has contributed greatly, the autopsy - studies can develop even more complete knot/ledge of the disease process; which in turn can lead to more effective medical and exposure control.

Backed by research find Increasing concern over the health haz ings that exposure to asbestos dust can ards associated with asbestos is shak lead to lung disorders, insulation work ing up the makers of high-temperature ers have been pressing compensation insulation, a ubiquitous product that claims in court against contractors and, covers pipes and boilers in power more recently, against manufacturers.

He is completely at a loss to understand how the men showed signs of lead absorption.

GUESTS Manfred Bowditch, Lead Industries Association Frank H.