Document 2RgKqBzqwvQpo5DyM0a9KwwYg

FILE NAME DuPont DUP DATE 1968 Feb 13 DOC DUP056 DOCUMENT DESCRIPTION Memo to G.J. Stopps Haskell Lab from R.B. Hayden RE Threshold Limit Values rer 37 FLASHDI 1997 1. DU PONT DE NEMOURS & COMPANY INCORPORATED INCORPORATED WILMINGTON DELAWARE 19898 TEXTILE FIBERS DEPARTMENT TO G. J. STOPPS HASHELL LAB oS ae This is fr Exhibit No. 37 February the 1953 us 195t3ination February February 131953 NEAGER NEAGER oe _NEAGER NEAGER Ref Ref Memo Memo THRESHOLD THRESHOLD THRESHOLD L LIIIT IT VALUVESALVUALUEES S Stopps to D'Alonzo D'Alonzo D'Alonzo et al 2-00 2-00 22- -00 0 0 ts 12/14/67 with proposed The plants general agreement The Textile Textile Textile Fibers Fibers in plants are in and for A Asbestos being the Asbematseritalsos Separato for 1968 1968 separate separate on on Asbestos study study is is Benzene Benzene Benzene , made being made and of of separate study when completed instructions instructions instructions the plants instructions will will be issued issued to the be issued to with agreement the the Heptane Heptane where where these these materials materials Asbestos adverse the adverse effects effects of Asbestos effects of is study is plants this study this revisions proposed revisions revisions revisions are are u us so o dust dust dust Separato completed None of the plants had comments concerning the Additions under Consideration 2-65 Several of the locations use hexafluoroisopropanol and are interested in them in their use of this material None of them however have TLV to guide pertinent data to substantiate or refute recommendations published by Haskell in their lab reports Nos 2-65 and 60-66 One of our plants Canden is interested end tris 2,3 dibromopropyl phosphate these materials would be appreciated in TLV's for methyl pyridine Any assistance that you can give us on If we can be of any further assistance please advise RECEIVED RECEIVED FED 15 1990 HASKELL LAD