ABSTRACT
Standard .................................................................................................................... 169 5.4 Findings Speci“c to Occupations ......................................................................................... 170
5.4.1 Boilermakers (Also See Section 5.4.3.12) ................................................................. 171 5.4.2 Bakers ....................................................................................................................... 172 5.4.3 Brake Repair and Installation Workers .................................................................... 172 5.4.4 Bricklayers and Masons ............................................................................................ 175 5.4.5 Carpenters ................................................................................................................. 175 5.4.6 Custodial Workers, Laborers, and Maintenance Workers ........................................ 176
Richard A. Lemen
5.4.7 Decorators ................................................................................................................. 176 5.4.8 Electricians ............................................................................................................... 177 5.4.9 Jewelers ..................................................................................................................... 178 5.4.10 Mechanics ................................................................................................................. 178 5.4.11 Merchant Seamen ..................................................................................................... 179 5.4.12 Painters ..................................................................................................................... 180 5.4.13 Petrochemical Workers ............................................................................................. 181 5.4.14 Plasterers and Drywall Workers ............................................................................... 182 5.4.15 Plumbers and Pipe“tters ........................................................................................... 183 5.4.16 Power Plant Workers ................................................................................................. 183 5.4.17 Railroad Workers ...................................................................................................... 185 5.4.18 Roofers ...................................................................................................................... 186 5.4.19 Rubber Workers ........................................................................................................ 187 5.4.20 Shipyard Workers ..................................................................................................... 187 5.4.21 Smelter Workers ........................................................................................................ 188 5.4.22 School Teachers ........................................................................................................ 188 5.4.23 Steel Workers ............................................................................................................ 188 5.4.24 Sulfate Mill Workers ................................................................................................ 188 5.4.25 Welders ..................................................................................................................... 188
5.5 Take Home and Community Exposures to Asbestos ........................................................... 189 5.6 Human Evidence of Disease by Fiber Type .......................................................................... 192
5.6.1 Anthophyllite ............................................................................................................ 192 5.6.2 Amosite ..................................................................................................................... 193 5.6.3 Chrysotile ................................................................................................................. 196
5.6.3.1 Experimental and Toxicological Studies on Chrysotile Asbestos ............. 196 5.6.3.2 Case Reports, Pathological Analysis, and Epidemiology of
Predominantly Chrysotile Asbestos ..........................................................200 5.6.4 Crocidolite ................................................................................................................226 5.6.5 Tremolite ................................................................................................................... 231 5.6.6 Talc ........................................................................................................................... 231 5.6.7 Vermiculite ............................................................................................................... 232
References ...................................................................................................................................... 233
5.1 INTRODUCTION
“Asbestos is one of the most marvelous productions of inorganic nature. It is a physical paradox, a mineralogical vegetable, both “brous and crystalline, elastic and brittle; a ¸oating stone, as capable of being carded, spun, and woven, as wool, ¸ax, or silk. Occupying the apparent position of a connecting link between the mineral and vegetable kingdom, it would appear to possess some of the characteristics of both, while being altogether different from either.”1
