Document 0VKBXvpe6wb6xM8VR8en8QJn

FILE NAME: WR Grace (WRG) DATE: April 25, 1983 DOC#: WRG336 DOCUMENT DESCRIPTION: 1983 Letter to HA Eschenbach from EPA regarding evaluation of March 24 submission AfUC&l Cfy UNITED STA TES ENVIRONM ENTAL PROTECTION AGENCY W ASHINGTON, D C. 20460 APR 25 1983 OFFICE c ; PESTICIDES AND TOXIC SUBSTANCES REGISTERED MAIL Dr. H. A. Eschenbach Director of Health, Safety and Toxicology W. R. Grace & Co. 62 Whittemore Avenue Cambridge, Mass. 02140 Dear Dr. Eschenbach: With reaeici to: TSCA Section 8(e) submission on: Vermiculite and Tremolite Submitted by: W. R._Grace_ & Co.__________ ________________ Date Submitted: March 24,_1983 _____ __ ___________________ EPA Document Control Number: 8EHQ-0381-047 3_______________ EPA's Office of Pesticides and Toxic Substances has completed a preliminary evaluation of the above referenced submission under Section 8(e), the substantial risk information reporting provi sion of the Toxic Substances Control Act (TSCA; PL 94-469). The enclosed status report is the result of that evaluation but aoes not, however, necessarily represent EPA's final conclusion on the subject chemical substances. With regard to the above referenced submission, EPA requests that W, R. Grace & Co. report the actual past and present tremolite exposure levels for the Libby employees who reportedly show signs of asbestos-related disease(s), the number of employes affected, and the nature of the asbestos-.elated disease(s) occurring. EPA also requests that W. R. Grace & Co. submit, when available, a complete copy of the results {including methodologies and data) of the Libby data analysis which is to be pet formed by Dr. J. C. McDonald and Dr. A. D, McDonald. 02/14/1996 EPA TSCA DOCKET nnnnn* In responding to this request for information, or in otherwise communicating with EPA regarding this submission under Section 8(e), please refer to the EPA Document Control Number that has been assigned to the submission. As in the case of initial 8(e) submissions, all responses/correspondence will be nlaced in the public files unless confidentiality is claimed according to th procedures outlined in Part X of EPA1s TSCA Section 8(e) policy statement ("Statement of Interpretation and Enforcement Policy; Notification of Substantial Risk;" 43 FR 11110; March 16, 1978). Any confidentiality claims should be supported by submission of information as described in the enclosed item entitled "Support Information for Confidentiaxity Claims." All of the information requested by this letter should be transmitted to the EPA Docu ment Contre. Officer at the following address: Document Control Officer (WH-557) Management Support Division Office of Toxic Substances U.S. Environmental Protection Agency 401 "H" Street, S.W. Washington, D.C. 20460 If you have any questions prior to responding to EPA's request; for additional information or have any comments concerning the enclosed status report, please contact Mr. David R. Williams of the Chemical Hazard Identification Branch/AD ac (202)-382-3468. The Agency looks forward to co finued cooperation with W. R. Grace f, Co. in its effort - to evaluate and minimize potential risks posed by chemical bstances or mixtures to health and/or the environment. Sincerely Frank D. Rover Chief, Chemical Hazard Identifi' cation Branch/AD/OTS (TS-778) Enclosures 02/14/1996 EPA TSCA DOCKET