The contamination has been con- also found contaminants in formula, among them lead.

The breakpoints leading to the inversion are in bands 11q21 and llq23. as recently reported (21.

The State of California has done a very commendable job in this regard and we /' hope that the federal government and other states will follow their lead in adopting regulatory controls that are effective, yet also reasonable, practical, and enforceable.

Performance of Direct-contact Heat Exchangers REFERENCES 1.

Swetonic had told him as follows: OSHA previously had emphasized safety - now the emphasis is on health - five industrial substances are under attack (asbestos, silica, lead, cotton dust and carbon monoxide).

Mr, \a)" Baiiion |H irok.... siillnimlc "Naidilht-nic m id'' and "lead oa|>tiilM-nale 3.

The combination of these two leads me to believe that where it is infeasible to conduct the medical examination prior to initial assignment in a restricted area, it may be performed shortly thereafter, but that the statement should be furnished to the employee within 2 to 4 weeks of initial assignment.

But MCA believes that the scope of the inves tigation potentially required by this section is excessively broad and would lead to duplicative reporting.

Thus, such regulatory agencies as the National Institute of Occupa Pennsylvania Central Railroad, was lined with lead wool and "Neo prene," and It was thought that none of the liquid escaped.

Careful testing of the sampling system after installation and tabulating system parameters, as described in this report, will lead to more reliable data.

Reanalysis at standard conditions showed 16. 6 ppm VCM which is still well above the ceiling exposure limit of 5 ppm Lower levels of VCM were not unexpected as the sample vial, septum had been punctured several times which leads to a loss of VCM in the desorbing solution.

Department of Labor Occupational Safety and Health Administration June 1975 OSHA 2225 CTL031224 Endangered Workers Mostjob health hazards--such as lead, mercury, and silica--have been recognized for decades or centuries.

Our lead scientist for this effort is Dr.

- - 4 22 6 34 19 17 17 Skin "3" 2 2 .3 As. may be. readily seen these results will lead to some severe restrictions on- VC- The existing temporary standard will probably not stand.

From the cleanup results and relatively low values taken in several areas with dust clouds present, the visible presence of dust does not always lead to high C-8 exposure levels based on current sampling.