412 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE Contribution to Investigations on Workers' Basal Metabolism.

LUNG CANCER VOL. 44 177 00d of lung cancer?

10 the time of first exposure to dust to the time of tumor formation in both the lung and pleura, is the result of a mild but constant mechanical irriation of the reactive fibrosis and the adjacent tissues.

TO:16182590896 1)6 | SILICOSIS AND OTHER K1BROPIC PNEUMOCONIOSES ground-glass appearance.

70 BOSS A.

546 G.

640 JEROME R.

so.

1020 Special Report: Asbestos and Cancer u Canad.

HFM - 005099 00 ii o o I j 00 I i "O Oj i J } I Ml M. .

I r --> tit-- "1 v ' k-*` iriHw i English asbestos workers with over 20 years of employment was reported by Merewether and Price1^ in 1930.

) APPENDIX A TABLE 6 "ASBESTOS BODIES" IN CONSECUTIVE OR RANDOM AUTOPSIES Capetown Miami Pittsburgh Milan Tyneside Jerusalem Glasgow Finland Sweden % Total Poai-- Cases tive <24 Positive bv Aqe* 25-34 35-44 45-54 55-64 65-74 500 26.4 .5 2.4 4.4 4.6 7.4 7.4 (4.3) (25.6) (28.4) (22.4) (31.6) (28.0) >75 Sea Year X Posit.ive* of Refer- Female Male Study ence 7.8 18.6 1960 214,216 (20) (30.4) 500 27.2 0 0 1 3.4 5.6 9.2 9 8 19.2 1961 214,216 (16.1) (23) (27.2) (30.6) (31.9) (20.4) (31.6) 100 41 100 51 0 5 5 3 13 (0) (83) (46) (38) (54) <------- 3 (14) ------- r*) 30 (60) 8 (40) 6 (30) 18 (66) 16 (34) 16 (44) 25 (47) 35 (54) 1964 1966 40 67 311 20.3 0 (0) 0.3 1.6 2.9 4.8 7.7 2.9 4.2 16.1 1967 (25) (19.2) (17.3) (18.5) (28.9) (15) (13) (25.5) 11 100 26 --*1 ( (14) 7 Tr .90 ' (21) (30) 10 16 1967 (29.1) (22.2) 184 100 23 0 0 01 4 11 7 0 23 1967 188 (12) (22) (32) (19) (0) (37) 264 57.6 1.5 (57) 3.0 3.8 8.7 20.0 16.7 3.8 23.9 33.7 (57) (71) (55) (64) (58.7) (34.5) (54.3) (60) 1966 167 34 35.3 0 0 0 0 11.7 14.7 18.8 14.7 20.6 1966 82 (80) (25) (43) (38) (33) (continued) i l( -I $i*j\ oooe . cf* PRODUCED BY FORD

j APPENDIX A TABLE 17 ANALYSIS OF ASBESTOS AND ASBESTOS PRODUCTS EXPORTS AND IMPORTS170 Exports Short Tons 1965 1966 Dollars (000) 1965 1966 Re-exports Short Tons ]Dollars(OOO) 1965 1966 1965 1966 Crude and spinning fibers Nonspinning fibers Waste and refuse 1 ,251 24 ,221 17 ,523 1,455 28,017 17,218 326 3,622 1,323 325 3,973 1,414 50 176 10 30 81 130 13 21 Total 42 ,995 46,690 5,271 5,712 131 306 23 51 Gaskets and packing Brake lining Clutch lining (number) Textiles and yarn Shingles and clapboard Asbestos-cement Sub total Other products. 1 ,732 3 ,065 2, 020 ,864 794 5 ,465 6 ,101 2,678 4,528 3,630 4,728 2,246,986 1.691 900 1,067 10,010 1,096 4,742 1,588 14,698 5,261 5,236 1,897 1,326 1,797 1,332 16,849 * # 4,389 5,058 11 5,000 5,000 113 231 5,114 + 5,232 + 1 2 4 37 44 8 1 2 1 41 45 11 Total . 19,087 21,907 Imports Short Tons 1965 1966 Dollars (000) 1965 1966 52 56 Chrysolite Crude Spinning/ Textiles All Other 12,496 17,339 643,149 6 ,596 16 ,839 642 ,894 6,245 55,077 6 ,319 56 ,308 Total 672,984 666 ,329 Crocidolite Amosite Total Not available 21,165 17,042 711,191 26 ,995 23 ,934 716 .258 70,454 73 ,100 6000 U 8 9

8000 P4t4 PRODl TCF.n RV PHR n

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