FILENAME: Flintkote (FLK) DATE: 1973 DOC#: FLK035 DOCUMENT DESCRIPTION: List of Sales Offices ) DISTRIBUTORS, SALEMEN & SALES OFFICES ALABAM A BIRMINGHAM-- Cuthratl Distributing Co., QOS) 322-3355 FAIRFIELD-- W, J.

FILE NAME: Smoking (SMOK) DATE: 1972 Oct 5 DOC#: SMOK061 DOCUMENT DESCRIPTION: Newspaper Article - Wider Link to Cancer Found in Asbestos Workers men<t)f^snrillar BOYCEHENSBERGEERS/SK back:ggrroouunndd--nnot-exposed t o^ A team of cancer researchers borne asbestos fibers.reported yesterday that rashes i t At -that '."

FILE NAME: Ford (FD) DATE: 1975 Apr 25 DOC#: FD126 DOCUMENT DESCRIPTION: Exposure of Brake Maintenance Shop Workers to Brake Dust lntr Ortie SclnUflc RMrch Start April 25, 1975 To: T.

FILE NAME: Ford (FD) DATE: 1975 July 15 DOC#: FD164 DOCUMENT DESCRIPTION: Memo - NIOSH Meeting to Discuss Health Problems RE Asbestos Exposure A.

FILE NAME: Ford (FD) DATE: 1975 June 2 DOC#: FD008 DOCUMENT DESCRIPTION: Letter to Dr.

FILE NAME: Johnson & Johnson (JAJ) DATE: 1973 June 6 DOC#: JAJ206 DOCUMENT DESCRIPTION: J&J Letter stating actinolate found in Vermont Talc BABY PRODUCTS COMPANY June 6, 1973 R.

FILE NAME: Talc (TALC) DATE: 1975 A p ri DOC#: TALC090 DOCUMENT DESCRIPTION: NIOSH Memo RE Analysis of Talcs for Asbestos Fiber Content MEMORANDUM i . / .

FILE NAME: National Gypsum (NG) DATE: 1972 Aug 4 DOC#: NG075 DOCUMENT DESCRIPTION: Marketing Bulletin - Asbestos Dust Effective July 7, 1972 a new standard for emplcyeed exposure to asbestos dust was established by the Occupational Safety and Health Administration., Departner.t of Labor.

FILE NAME: Thane (THAN) DATE: 1979 June 13 DOC#: THAN033 DOCUMENT DESCRIPTION: Memo RE Asbestos & St.

FILE NAME: US Gypsum (USG) DATE: 1975 Aug 26 DOC#: USG063 DOCUMENT DESCRIPTION: Letter to EW Duffy from R Georgalis re use of spackling putty containing asbestos August 26, 1975 Mr.

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.