Document KJRbQdLz4zwbp6Qaa5oEr0kQ0

8t I 51 S <> * 8z j,* -6 " =6 - -- "2 TJ IZ > _(Bi ~ONoc>m 2> s 1t -Q g(O TcJ om = u2. 5=~2- e Sf 8 >-J 5 c o Dl 2 o ^ <o E oo oa a JU 5-"i tS x: V- . c o o o a < *o CL w TJ ^a ^" o c *o o o * .* o2 C? o> o * aama... g> a 4 a t> ac> EgS O 0^ Xc Q. &" = O 0)1 CO 0)2 ffl O "-3 S5< o8 g-,o 3 w -2= 2 -2.3 0 2_ 09 0co 0 1 ; " Bo Etj a - ?SJof.. g'TJ<j ?-- = = * T? O g ^c|e2 ao1: -2g -o 2 ac --oa *ffcl- :.oo?c - 2 a a S <o 3 a> a) c ^ 0 *D 0 Q s 8.c 3 = TJ O--- _ o OT > o. o5 ** c o a 8 S' 1 o a|, E 2 E E-g a. 3o. 2s o> i-'TJ " C ollS f o S C. C ij" wQ JCc5 > 5OP ** 0 -- 1-S-g-O " = s* O & g E ?o Q.T" 0- a *-T . O * -- ^o_ _ _ oo __ Ow rN ; tj 2u-22>t w O U. CO 3 0> SoE-2>-ow:?uEi-Ja* C m m oc"p cT<o jg 5 S|2 03 JO c *o 0m <^ PS Safety professionals and industrial hygienists must work together Because the safety pro fessional carries on the day-to-day functions involving immediate decisions, he must know when and where to get help on industrial hy giene problems After the industrial hygiene engineer sur veys the plant, makes recommendations, and suggests certain control measures to be fol lowed, it is the safety professional's responsi bility to see that the control measures are being applied and followed The variety of substances and processes that present occupational health hazards steadily increases Recently developed raw matenals and methods of manufacture or new combinations of their older counterparts create new environmental stresses Improved tech niques for the prevention and control of exist ing hazards and stresses are also being de veloped The prevention and control of occupational health hazards are the responsibility of com pany management To assist those individuals charged with this responsibility, this chapter discusses the principles and practices of in dustrial hygiene It presents information on the recognition of hazards, their qualitative and quantitative evaluation, and engineering methods for eliminating or minimizing them OSHA and NIOSH Interest With the passage of the Occupational Safety and Health Act of 1970, activity by govern mental groups in the field of industrial hygiene was accelerated For background, read Chap ter 2, "The Occupational Safety and Health Act of 1970 " Initially the U S Department of Labor es tablished a list of target health hazards In dustries where exposures to the following matenals existed were subjected to detailed study of the degree of exposure and the con trol measures in effect Asbestos Cotton Dust Carbon Monoxide Lead Silica A summary is provided in Table 37-A As results of these studies are compiled, the 1031