Thei serious effects of exposure to excessive radiation are well known and the| established tolerance dose is 200 milliroentgens per week based on forty hour week.- Good maintenance of radiation shielding is essential.

NOTE (H.

Speaking of grievances, we are cognizant of the fact that in.

"Eemember todays labor situation will keep changing over the years, sometimes for better and sometimes for worse."

Plant Engineers' Conference Page 37 necessary to spend at least four hours each week per machine removing this scale.

INDEX I General Conclusions II General Information III Airborne Lead 1.

m r- \o h >1 n 3n o s; CO \ q <u tn ta O e i>Gc a m h ah < Ol 63 iG H2 > 3 CN <CO pO aH a kG X H iQ a ow Oc cm Pm CM < oOS 6.

in r- \ ipm 0^2 H3\ \O ro 01 i* 0) " O in QH tWo a o S g 2 tji >* M 33 I h CO w p Or a >H *aC CO CM O < CO X Qaw a H X < pHa a 3 r Oo a p w CO O CM M Cm Eu C<M CO * p< a oos p* ag P EM O 0) P '<H <P P -t eg a orH P p +) 0 ,m S a$ 10 E P3 U rQ Gi -H EE a ctJi 4OJ ..

mixes containing more of the longer asbestos fibers in their composition are associated with higher airborne asbestos con centrations.

7/ 7 T 'fj TABLE 8-3 t a7/: h' ' ' ' / ` .

., , / /1 TABLE B-3 .J 1 * , '` -- 'i ;I . i. - */7i / * f i" * U.S, MANUFACTURERS OF ASBESTOS-BEARING FRICTION MATERIALS " #/ ' Approximate Number of Company .

IK D.

r Des Plaines, Illinois Trumbull Asphalt U.S.

ARD 004349 9 FROM REVIH ROLAN CONSTRUCTION DIVISION ROCKDALE CONSTRUCTION TO MEMORANDUM 1989 April 24 RE: PLANTWIDE ASBESTOS SURVEY RESULTS Attached are the results of a asbesto# conducted 19M January through 19SyMareft by Kevin Rolan, Alcoa Construction which includes the following: 1.

company .vume - r,\Lt.UU ADOA.