PPG Industries Inc.

$Ce/irftTO MONITORING OF PER-TRI FEED QUALITY Since the quality of organic feed to Per-Tri is controlled by other operating units, it is critical that operators and lead operators closely monitor the sample analysis.

ffe* MCCProgram. g. 301 Congrasiman jonn M Zaten a Recusncan raoraaannng ina Bin Cangraaaional Oittnet of Minnesota, intro duced a net* lead M Ml 5909 on Matcn 20 to amand Hid 1971 lead aaad Paint Poisoning Prevention Act Tha Zwicn lid is tna lecono to contain all thra* oroviaian*. including a 9% wad limn, wfucn th* csalinga mouatry ha* mad to get enacted into late during tn* oast two yaar* or critical lota-m-gtun o s mim.

All samples were analysed for residues of certain persistent chlorinated insecticides (DDT, DDE, DDD, and Dieldrin), and for the persistent chlorinated industrial compounds known as Polychlorinated Biphenols, Each sample was also tested for residues of arsenic, mercury, cadmium, lead, xinc and copjer, with the exception of some of the samples in the groups marked with an asterisk (*) which lacked s

Threshold Limit Values of Airborne Contaminants AND INTENDED CHANGES Adopted By ACGIH For 1970 FMSI-0067 FMSI 02914 T Copyright 1970, by American Conference of Governmental Industrial Hygienists.

And thirdr> it is quite clear that compliance with the proposed standard w require substantial capital investments and lead times.

MANUFACTURING CHEMISTS ASSOCIATION 1825 CONNECTICUT AVENUE, N.W.

Lawrence opened the meeting with a brief background leading to the call for this meeting to discuss appropriate action in the area of FVC combustibility.

WILLIAM 'j.

MANUFACTURING CHEMISTS ASSOCIATION 183b CONNECTICUT AVENUE.

And third it is quite clear that compliance with the proposed standard wi require substantial capital investments and lead times.

Commenting on the new yules for temporary pesticide registrations, USDA said the lack of an efficacy review could lead to approved pesticides with "less than desirable formulations" whicft could jeopardize the production of agricultural resources.

TO: J.

Japan is by far the ,,'orId's leading producer of pyro- phyllite and steatite \vith an annual output of over 2m. tons-the bulk being pyrophyllitc.

Poster Session IV CANCER MORTALITY AMONG SILICOTIC CASES G.F.