(EEH) to meet the requirements of the Asbestos Information Association/North America (AIA/NA), which would allow it to formulate a response to the U.S.

In order to assist the Asbestos Information Association/N.A.

(jrypsrum Association Eastern Office 1120 Connecticut Avenue, N.W.

Ind Med 35 292-304 November 1978. 24 refs TruCut pneumoconiosis needle on 41 patients with suspected needle biopsy was performed with a A percutaneous well as questionable radiographic brief or unusual dust exposure as Patients selected for biopsy tended to have dust containing quartz coal iron 13 to silica and 12 to mixed Sixteen had been exposed to asbestos had reduced transfer factor opacities and most in the other two groups asbestos and tale All patients in the asbestos group ventilatory impairment of the other patients had restrictive in the asbestos group and about 25 Most patients 24 Industrial Hygiene Digest .

In January of 1976, representatives of the Asbestos Information Association/N

*****The Journal of the American Medical association published statistical highlights of the re

~ l^lgrf / V C\u^~ ^ C-4-4^J^ I1** <W-ci-*_^ Gypsum Association Eutern Office 1120 Connecticut Avenue, N.W.

ASARCO objects to Plaintiffs' definition of "trade organization" and "trade association" on the grounds that it is overly broad, vague, ill-defined and not susceptible to a precise response. 10.

Knox and hi3 associates at Turner Brothers Asbestos Co. in the [,'r.ited Kingdom, and a tore recent paper published in 1972 by Dr, Lewir.schr., successor to Dr.

In fact, new information not referred to by OSHA strongly suggest that 2 or perhaps more* fibers/cc is not associated with an excess incidence of pulmonary cancer.

(jrypsrum Association Eastern Office 1120 Connecticut Avenue, N.W.

Ind Med 35 292-304 November 1978. 24 refs pneumoconiosis needle on 41 patients with suspected TruCut needle biopsy was performed with a A percutaneous well as questionable radiographic brief or unusual dust exposure as Patients selected for biopsy tended to have have dust dust containing quartz coal iron 13 to silica and 12 to mixed opacities Sixteen had been exposed to asbestos and most in the other two groups had reduced transfer factor asbestos and tale All patients in the asbestos group had restrictive ventilatory impairment the other patients and about 25 of Most patients in the asbestos group 24 Industrial Hygiene Digest : February 197 Chest radiographs were assessed according to standard films of the ILO C International Classification International Labour Office 1972 In 25 patients radiographic opacities were absent or scanty categories 0-1 The dominant radiographic feature of many patients exposed to asbestos was a ground appearance or a bilateral elevation of the diaphragm or both features difficult to assess according to the ILO C scheme Most histological changes were those usually seen in pneumoconiosis However in only two patients with silicosis were silicotic nodules detected The specimens of seven patients showed a granulomatous inflammation The severity of alveolar wall involvement correlated well with the transfer factor value but poorly with radiographic changes The profusion of radiographic opacities also correlated poorly with functional impairment As a diagnostic tool the needle biopsy was valuable in asbestosis and slightly less so in mixed fibrosis The biopsy specimens showed changes compatible with asbestosis in 75 of the suspected cases and in 86 of those in which asbestosis was the final diagnosis In the mixed group pneumoconiosis was confirmed in 67 and 80 respectively In the diagnosis of silicosis an open biopsy is probably more reliable than a percutaneous one particularly if radiographic changes are minimal Histological changes in the needle biopsy specimen were compatible with silicosis in only ; 36 of the suspected cases and in 63 of those in which the final diagnosis was silicosis --Authors abstract reprinted by permission 169/79 Experimental Silicosis Induced by Extra Crystalline Silicon Dust and the Effect of Polyvinyl on Its Evolution Yu N.

ance Status Information.

My testimony concerned the history of informed consent.

ASARCO objects to Plaintiffs definition of "trade organization" and "trade association" on the ground that it is overly broad, vague, ill-defined and not susceptible to a precise response. 10.