Document jgp1pbJdLz45yLOjG3ZyL6gbN

FILE NAME: Mine Safety Appliances (MSA) DATE: 1971 DOC#: MSA008 DOCUMENT DESCRIPTION: Letters & Purchase Order RE 3M Respirators V. August 2, 1971 Mr* James B. Barnard Sul Manager Respirator Products Division Minnesota Mining & Manufacturing Co* 3 M Center St. Paul, Minnesota 55101 I Dear Mr. Barnardt ` Me are currontly testing a number of light-weight, disposable type respirators in conjunction with filtration of asbestos dust. This work Is being done for us at McCill University, Montreal, Quebec, Canada. Included in thse tests are several types of 3 M Masks, 1 currently nerd additional masks to continue our research work. Would you, therefore, kindly send us Kha following as soon as possible. 6 No. 8500 (single strep) Respirators 6 No. 8710 (double strap) Respirators 6 No. Unknown (double strap) Respirators These respiratore were marketed prior to the No. 6710. Please bill me for the above material, however, kindly do not delay shipment pending receipt of payment. Thank you for your kind cooperation. Very truly yours, C. L. Shccklor Manager, Accident Prevention end Health Administratlui CLfliraw ccs R. Gresham Jeffrey S. Snnl1 R**aar*h PRODUCED .Itt! - 8 3 V December 2, 1971 /" Hr. Jaeo Barnard 3-M Company 3 M Center - Bldg. 220 8W Be* Paul, Hlnnaaoca 33101 Dear Mr. Barnard t Confirming our tolephone conversation this noruing* vill you kindly forward 300 o.nh 3M 0710 or the revised prototype of eha 6710 model respirators. We Intend to use fehoso respirators for employee sccsptouce testing at our Jeffrey Asbestos Fibre Division Mine end Hill, Asbestos, rueboc, Canada. Please send tin respirators to my offlcs in New York City with an Invoice stetlng "for sclentific>resasrch testing program in connection with hcGlll University study of dust respirator evaluation", X will then prepure the necessary custom forms awl forward them to the Mina. Also, Kindly send ea s supply of the forms that you us for valuation studies. Ho will use your forme end provide you with u summary report of Che findings. Zho findings will ba considered aonfidontial lafor mat Ion. I wish to thank you for your kindness end' cooparatloa. I so confident that when concluded, thin evaluation program will bo mutually arlvantugeoui. V**ry truly youts. C. L. Shcchlcr MnvRcr, /ccident Prevontlon and ik i l t h <<lmlnlo t ration cci K. Creohou - Jeffrey Mine bee: V. L. VonDerbcck - Denver CHQ J.R.M. Hutcheson - AFD Asbestos J. 0. Eby - Jeffrey PRODUCED m - as I e J t v * * # A... kV m A'J>*.*stos Fibre Division PO ux 1500.- Telephone 819-879-5431 Asbestos, Quebec, Canada v D.UI | 3 . l . f'i'd't wit Foi Lev. 29/7 Vj A S A P . M ; n is i*, s o t a M i n i n o . S m e l t i n g C o . , . `3 M C e n t e r , . i'v Pa u l , M in n e s o t a 55101. U J A Iti V*> j IM I I I * Purchase* O rd e r AcQgmliOA P,V. A10-03192 Snip To Canadian Johns-Manviile Co., Limited A sbestos Fibre Division - y Asbestos. Quebec. Canaria PlOtrsc deliver me loltnv/inr} mhu'Ci 10 (ho terms instructions end conditions on mu Inert end n-vijico hide ol mis q<C> i Partial shipments arc tic: accnpuoic A. Condiiims: Please acknowledge this ordor at once and advlsa shipping riaiu. M.urriats sold ct ilto delivered prices or freight allowed must be chipped liarit.poriution propald. No parcol post or insurance charges allowed except as provldod sbovo. The purchase order in cludes me order and requisition numoeri end oihor Instructions wnerever tins v.tine may appoer hereon., 0. Mail invoice deplicsto end B/L on dele ol shipment. Msrk ell packages, invoices. 0/L`s, packing lisle end correspondence wi'.h Order No.. FtucuiS'ti&n No.. J-M Code end "Mark For" shown etava. fo r turcipn '.hipi.hidts tiupnly in addition to ubovo, 6 eoptss ol pro* anrlu aaltliirN MitlamlituaUad Barm UA C. Acceptance ol this order or shipment ol any supplies or perform- . anee ol any wont ordered hereunder constitutes acceptance of me ' terms and conditions on the lace and reverso sido hereof as mu only conditions applying to this .purchase, unless other conditions *< agreed to in writing by Purchaser ypd'Soller. Canadian Johns-wlanvilio Co., Limited lurch, .s - a KIIAC W / \ / .1 .