Document M4VYLB5e5RDMZLzxbMXj8jJ5y

o c c Intar Offlee (Unarm! Sanrtcaa November 16, 1973 Mrs. L. Bates Mr. J. K- Harrison Mr. R. W. Harvey Mr. J. D. Setoff ce B. U. Obringer Subject: Controlling Asbestos Exposure Paragraph'1910.93a of the Occupational Safety and Health Act concerning asbestos (copy attached) limits the amount of airborne dust exposure. We have found that one potential source of exposure involves air blow-off of brake linings during automotive broke maintenance. Garage type repair functions ore performed in areas under your Jurisdiction. . We ore therefore Beeking your assistance in establishing nev safety regulations as follows: Cleaning or`"dusting" of brakes and brake components by means of compressed air Is to be discontinued and prohibited as soon os possible. To accomplish this any future duet removal from hraka assemblies is to be done by use of a "shop" vacuum available from Sears Roebuck and Company, Craftsman bj-gallon Heavy-Duty Industrial Vac with dolly and nozzle, Part Bo. 99KE I783IN. Accessory set. Part No. 95P 16973, must be provided to afford proper and efficient removal of duets. The entire oost is slightly less than $100.00. This unit has been thoroughly checked for effectiveness and is approved for vacuuming of asbestos by Industrial Hygiene Section and General Services Safety Activity. The attached procedure must be folloved when the unit is emptied and contents discarded. Should it become necessary to "dust" or clean brakes prior to receipt of the vacuum unit, each employe so involved must veax an approved dust respirator regardless of length of exposure to asbestos dust. Minnesota Mining and Manufacturing respirator, Model 8710, should be used for this purpose. Your attention is directed to GSEA Paragraph 1910.93a (J) 1 through 6 of the attached Regulations concerning Medical Examinations and Records. Pull compliance vlth this paragraph must be met. i Our Safety Activity vill be happy to work very closely with you in effecting these changes In your maintenance procedures. If there are any questioos you may have, or if ve eon be of assistance, please contact uo. J. R. Knauss 007012 105466 PRODUCED BY FORD SCF-FORD-1133 SAFE OPERATING PROCEDURE FOR EMPTYING AND DISPOSAL OF ASBESTOS CONTENTS FROM INDUSTRIAL VACUUM UNITS When it becomes necessary to empty the asbestos-Laden contents of an Industrial Vacuum Unit the fallowing procedure shall be maintained. 1. Approved dust respirators are to be worn by ell persons engaged in emptying and disposal of materials from the shop vacuum unit. An approved respirator is Model No. 8710 available from 3M Company. 2. Contents of the vacuum drum must be washed out by flushing with water and allowing slurry to flow through the drain hole at base of unit. _ 3- Paper bag and cloth filter bags must be`handled with extreme care in order to keep dust to a minimum. r 4. Bags and asbestos-laden materials and waste muat be placed in sealed impermeable bags or other closed impermeable containers for disposal. 5. All disposal coi tainers must be clearly and legibly labelled "Caution Contains Asbestos Fibres - Avoid Creating Dust Breathing Asbestos Dust May Cause Serious Bodily Harm". (A copy of this procedure is to be affixed to each shop vacuum unit used in asbestos work, and to be maintained in a legible condition.) r ANY CHANGES OR M0DI7ICATI0I S MUST RECEIVE THE APPROVAL OF TEE GENERAL SERVICES SAFETY ACTIVITY. 007013 PRODUCED BY FORD