5) a tod ag ra tod Bo te ae " 567 OM " 3 7 yw 13 oO G10 >' 15 15 11 10 - 13 - TEH TEH 198 LETTER TO THE EDITOR CHCAHARRACATECRIZTAtEionRIZAtion MINERALOGICAL MINERALOGICAL HENTICATION HENTICATION ae OF COSMCETOISC MTETaItCeTALC PRODUCTS.- of this letter is to comment on the paper by Rohl et al entiTtlheed pCuornpossuemer Talcums and Powders Mineral and Chemical Char- acterization which appeared in the Journal of Toxicology and Environ- bee) mental Health 255-284 1976 H i] be Q i H The paper conveys an erroneous impression that it is reasonably of asbestos in counter talcum te OS common to detect the presence 328929825802 328929825802 tat powders The authors imply in fact that half of the products studied otk questionable 328929825802 328929825802 _ 328929825802 328929825802 e . are of quality when they state that 10 of the 20 products 328929825802 32892825802 examined contained detectable amounts of tremolite and anthophyllite 3289 2580 article 332222328828999222982995888022255880022 prinTcihpeally asbisemsitslieading and its publicatidonemdeamnadndss clarcilfairciaftiicoantio inn comprehensive 3289293822528082929825802 light of the following points 1 a understanding of 328929825802 mineralogy makes it apparent that the reported results are impossible to 3289 502328929825802 achieve 2 the analytical methods described do not and can not lead 328929825802 328929825802 to the conclusions reported and 3 the conclusions drawn are without 3228929825802 3228929825802 328929825802 sound scientific basis and are therefore misleading and invalid These 328929825802 points are discussed below ; The portions of the paper by Rohl et al that describe the geologic occurrences and properties of talc and associated minerals are generally correct with one major exception The paper very clearly makes the point that the predominant occurrences of tremolite anthophyllite and as the asbestiform varieties and readers other than serpentine are almost surely reach the professional geologists or mineralogists will erroneous conclusion that occurrences of the asbestiform varieties are the rule rather than the exception It is a fact that the asbestiform varieties of these minerals are relatively rare and that such occurrences probably account for less than % of the known world occurrences of each mineral Further tremolite and anthophyllite are erroneously stated to have fibrous cleavage whereas in fact their cleavage is prismatic Tremolite asbestos is essentially a mineralogical curiosity The analytical methods described by the authors for identification and quantification of tremolite anthophyllite and serpentine are invalid The C01 : i1 Journal of Toxicology and Environmental Health 000-000 1977 Copyright '1977 by Hemisphere Publishing Corporation 0088215 JNJ 000297209 leading lencie leading point point 11 12 - 002 : LETTER TO THE EDITOR aed . oP > tt ar ray diffraction XRD methods described cannot be used to identify the 5 Wim amphibole species present to distinguish serpentine from chlorite or to quantify serpentine or quartz because of interferences from chlorite and 9 8 talc respectively .

. -- : soa te a we ~ een rene : Tombleson = E B.L. 1973.

_ , --" Johnson Johnson a Johnson Johnson BABY PRODUCTS COMPANY RARITAN N.

CC D.

Johnson Johnson BABY PRODUCTS COMPANY | 7 RARITAN N.J. 08869 February 2 1977 SUBJECT Talc Microbial Assurance Report TO R.

Subject Wist Gohnsonfolmsen | | | <add rr . .

DOW CORNING

A Report on the Fiber Content of Eighty Industrial Talc Samples Obtained from and Using the Procedures of the Occupational Safety and Health Administration Prepared for Occupational Safety and Health Administration Department of Labor Washington D.

FILE NAME Allied Signal Bendix ASB DATE 1972 Aug 15 DOC ASB040 DOCUMENT DESCRIPTION Memo - Asbestos Health Seminar with Attached Report DHQ - Asbestos Fiber August 15 1972 Sales N.

FILE NAME Allied Signal Bendix ASB DATE 1972 Mar 13 DOC ASB081 DOCUMENT DESCRIPTION Memo RE Third Visit by OSHA Us . c Memorandum .

FILE NAME Cape Asbestos CAPE DATE 1977 Mar 31 DOC CAPE125 DOCUMENT DESCRIPTION Charter Consolidated Ltd. - Annual Reports & Accounts Legal - Tibbs Case Exhibit 23 _ . . | eo: Income from investments note 1 Surplus on realizations realizations of investments Interestpayable expenditure 3 Groupshare of retainedprofitprosfits less losses of associated companiesnote 2 : Profit Profit before before taxation taxation items taxation and beforeextraordinary extraordinary items subsidiaries profits of Deduct Interestof outside shareholdersin acquisition profiprtofit Attributable to Charter Charter share Earnings per proposed Dividends paid and proposed 16.64p 1976-18.501976-18p.50p 1976-18.50p note 8 note 9 Profit for the year retained before extraordinary items Deduct Extraordinary items note 4 Retained profit transferred to reserves Profit for year after extraordinary items totalled 8,057,000 1976- 1976- 16,614,000 Movements on reserves note 17 Reserves at 31 March 1976 Retained profit for the year - Revaluation of properties net of deferred taxation shareholdings Dilution and disposals of inin subsidiary and associated companies Reserves at 31 March 1977 7,789 9,652 9,384 268 155,121 268 1,724 153,665 19,389 _ ... ...| A ... e jaaneys ... sents cakes ... ... ... 140,725 9,533 5,184 321 155,121 The accounting policies on pages 18 and 19 and the notes on pages 23 to 31 form part of these accounts The report of the auditorsis on page 17 * Short term loans deposits Bank and cash balances balances Current liabilities Net current assets 8 Financed by * Share capital note 14 Share premium account note 15 Reserves note 17 ts Total capital and reserves : , fess : Capital expenditure grants Interest of outside shareholders in subsidiaries Long term indebtedness note 16 Deferred taxation note 18 2 37,755 37,755 288,524 Z 26,202 30,631 153,665 34,765 AE 278,926 .

Environmental Sciences Laboratory of The City University of New York INSULATION HYGIEIml PROGRESS REPORTS FROM THE INSULATION INDUSTRY HYGIENE RESEARCH PROGRAM Irving J.

\t i ASBESTOS INFORMATION ASSOCIATION 450 c n * ^asr'.ogre'' ZZ 2CC36 202^ t2j-^83S ceo4 3;> 3 January 1974 Mrs, Doris M.

rat CT ION MATERIALS ST At' U33 INSTtTUrg.

FILE NAME Manville JMA DATE 1974-1977 DOC JMA118 DOCUMENT DESCRIPTION Caution Labels - Memos & Product Literature JM Manville ?