1、 . , . , , . , , . , , . . , , . . . ( (202) 682-80000) . 1220 L Street, NW, Washington, DC 20005. . 1220 L Street, NW, , DC 20005, . . , , - . . . . , . . . . i , ( ) . i i ii i i i . iiii (OSHA), , i, , , 29, 1910.1001-i i; , , 40, 61.140- 61.156- i; (763.160-179- i) . , . ii ii i . , . . i , . ii
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3、 1 .11 1.1 11 1.2 11 1.3 .11 2 .11 3 .14 3.1 14 4 .23 4.1 23 4.2 24 4.3 24 4.4 .24 5 ()24 5.1 24 5.2 .24 5.3 25 5.4 25 5.5 27 6 .27 6.1 27 6.2 .29 6.3 .30 6.4 .31 6.5 33 6.6 .33 6.7 , .33 6.8 .35 6.9 .36 6.10 36 6.11 37 6.12 37 6.13 38 7 .38 7.1 .38 7.2 .39 8 .40 8.1 .40 8.2 40 8.3 (LPG)41 8.4 .42 9
4、 .43 9.1 43 9.2 .43 9.3 45 9.4 .47 9.5 47 9.6 48 9.7 , , , .50 9.8 .50 9.9 51 9.10 .51 9.11 .52 9.12 .52 9.13 .53 9.14 , 53 9.15 .54 9.16 55 10 55 10.1 .55 10.2 .56 10.3 .56 11 57 11.1 57 12 58 12.1 58 12.2 .58 12.3 .59 12.4 ( ).59 12.5 59 13 .60 13.1 .60 13.2 .60 13.3 ( ).61 13.4 ( )62 13.5 , .62 1
5、3.6 62 13.7 64 13.8 .64 13.9 67 13.10 .67 14 67 14.1 67 14.2 .67 15 68 15.1 68 15.2 .68 15.3 69 16 , 70 16.1 70 16.2 71 17 71 17.1 71 17.2 72 18 , .72 18.1 72 18.2.72 18.3 .72 18.4 .75 18.5 .75 19 76 19.1 76 19.2 .76 19.3 77 20 , 77 20.1 77 20.2 .78 20.3 78 20.479 20.5 80 A .80 1 61 2 .74 1 .26 2 , 55 1 1.1 . 1.2 , , . . . 1.3 , , . . . , . ,
