Irving Selikoff of Mount Sinai Hospital Medi- r R 1 SrhonI MVw Vnrlr a leading industrial epide miologist, said the chemi cals could cause other dis eases.

For the production of this much desired material, wsich can be combined in so many different ways with plasticisers, fillers and pigments that it has become one of the leading products of the plastics age within the last twenty years, is apparently very much more dangerous than had been previously been assumed.

Lead Operator exposures have been related to this wind pattern due to the location of the control room inlet air duct relative to the old module inerts vent.

If safety valve was found to be leading through the valve (top) "0" Ring Seals must be changed.

Review leading to a more workable Standard could be centered on the following issues: a) Whether any significant risk remains once exposures are reduced to the 1-10 ppm range, b) Whether any quantifiable reduction of risk can occur within this range by a reduction of VCM levels from 10 ppm to 1 ppm. c) Whether the use of respirators to achieve the lower of these levels introduces greater risk of injury or death from fire or explosion.

the sex hormone estradiol in birds; this ' is regarded as the initial step In the mechanism by which egg shells of pred- ; story birds (which have very high tissue ' concentrations of both chlorinated pesti- | cides and pen's) are thinned, leading to { high chick mortality and eventual ex* j Unction.

*""4' ""'""`J' o* uyirf ei *2" " lead!

;i which tiro ho gradually acquired periodontal difficulties leading to upper teeth extraction in February, 1973.

Respirators for use against dusts not significantly more toxic than lead dust (includes single use).

In addition, sale of heat transfer fluid has been curtailed and, for those applications which might lead to food contamination, discontinued.

systematic leads to nausea, vomiting. loss of weight. edema and ----- 1,1 ' --------:- intoxication abdominalpain (EMERGENCY ANO FIRST AID PROCEDURES 3 Remove from exposure, Remove contaminated clothing.

Environmental health aspects of lead Die gesundheitlichen Aspekte der Umweltverschmutzung dureh Blei Amsterdam, O ctober 2 - 6, 1972 a PHC fa <3 Zi <n WPQ S<a3 MO m t* ao*4s W Pu >O4 .a oMss % IX foSw*C' oq> < M Cpa2<2D: W2: o2o: ?

Carey leading in the gover- audience bestos and vinyl chloride But Mr.

Systemat-i'c intoxication leads to nausea, vomiting, loss of Weight, edema ____________ ;_________ and abdominal pain^______ Remove from exposure.emergency and first aid procedures ,,Remove con.uam. ina,ted, clothi.n__g__ .

., March 22 -- Two leading cancer experts warned today that the earth's environment is being filled with chemicals that could cause cancers that will not show up for another 20 years.