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FILE NAME Allied Signal Bendix ASB DATE 1966 Apr 14 DOC ASB208 DOCUMENT DESCRIPTION Plant Visit Report y L samy * O.H.C.O TEL 1-519-973-1906 Occupational Health Clinic for Ontario Windsor 547 Victoria Avenue Windsor Ontario N9A 4N1 519 973-4800 FAX TRANSMISSION SHEET TO Barry Castleman Jan 06'93 10:13 No.001 P.01 FAX 973-1906 _ DATE Jan 6/93 NUMBER OF PAGES INCLUDING INCLUDING THIS COVER SHEET IF YOU DO NOT RECEIVE THE COMPLETE NUMBER OF PAGES CALL 973-4800 MESSAGE p"er our telephone conversation conversation yesterday , find attached Industrial Hygiene D.H.C.O.W. & fanorandum to Dr. R. B. Director Butherland a TEL 1-519-973-1906 Jan D@EPARTMENT OF HEALTH * INDUSTRIAL HYGIENE BRANCH - 06'93 Plant Visit Report an mo . 10:13 No.001 P.02 Dates April 14 1966 ; Front = N.M. Nelson lent ddress lazard Eclipse of Canada Limited 945 Prince Road Windsor Ont | , Total . Asbestos dust . Requested by - Accompanied by Mr. A.E. Riebel A I..B _ oo Mr. A.K. Riebel I.S.B. Mr. O. Blackwell I.S. ae 23 Contacts Cees _ Mr. E.A. Clift, on Superintendent . _ i ompany to be notified by es ring forward ch! Take noaction opies to Dr. Mr. EJ..MaNsetlsroonmat2t~ / o _ Mr. D.R. Moore wp et a Fo | Mr. G. Spence INDUSTRIAL HYGIENE BRANCH APR 15 1966 = ROOM 5406 - EAST BLOCK 2 Firs ch Soh Hates a ns The above mentioned company manufactures automobile brake assemblies '. _ oS This includes mounting of brake lining to brake shoes requiring grinding or sanding of the lining If the linings are rivetted to the shoes then drilling of the lining is also required The drilling and grinding is carried out in a room about 75 ft x _ 30 ft x 30 ft There are three large grinding wheels about 24 in diameter and one about 16 in diameter in operation Each of these units are connecte="d; to a separate exhaust system handling about 2,000 cfm with capture velocities ranging from 200-1,600 fpm The exhaust system for the small wheel was also drilling connected to two operations but apparently necessary and had been blanked off Each these were not considered' exhaust system was connected to its own bag collector located in the room with the discharge air directed to the outside ; about hand The filter bags are shaken four times a shift by Whil . this is being done the fans are shut off and considerable dust escapes from the a the collector and tends to settle out on hoppers and other equipment in *.. room Employees have expressed concern over the dust in the room a During 1 The exhaust systems seem adequate operations the air was was clear with very little observable dust What dust visible to settled dust appeared be that regenerated from , oT , . . ; a . ane ee : of i re ofone 8 stg O.H.C.O.W. . TEL 1-519-973-1906 oe Jan 06'93 10:14 No.0P.0 03 P.103 2 Housekeeping is only fair with no attempt to keep dust collectors and machines free of settled dust :, 3 Bag shaking is done during break periods so that only the main tenance operator is in the room The operator does not wear a respirator - tos for the job The man shaking the bags during the visit had a badly marked _ face such that a respirator could not be effectively fitted to him oe, 4 When the collector hopper is filled with dust it is removed from aa place the unit for disposal the dust and an empty hopper put in Apparently this happens not more than once a week : f 5 No rays of exposed persons are done by our unit e e rr sce spe * Py . Power brake assemblies are vapour degreased using methylene chloride -' in the degreaser They immediately go to are given a black finish Total openings an of spray automaticspray the booth are paint booth ft with and average face velocity of 200 frm for 3,600 cfm total exhaust Three spray considerable guns are used in the booth One is pointed in such a way that : spray escapes from the entrance side of the booth In another location plates for mounting brake assemblies are fitted with mounting luge and pressure welded using induction heating Up to four 7 welding units are used The plates then pass to a trichloroethylene degreaser a paint dip tank and to a bake oven The line is shaped with the degreaser | paint dip and over on one side and the welding units on the other side Thus the degreaser is only about 5 or 6 feet from the nearest welding unit and not WE more than about 15 ft from the furthest The degreasing unit is made :. , fairly efficient but deteriorating badly It is not provided with local eee exhaust The paint dip tank and oven are effectively exhausted ee Comments 1 The first degreaser unit should present no health hazard & ty The solvent; boils at a low temperature so that degreasing should be fast and vapours more ss ree easily controlled than with trichloroethylene The vapours are less toxic the than trichloroethylene and there is good general ventilation provided by ' =~ ! e ae, paintspray booth isa 2 The second degreaser unit discussed would seem to present a definite hazard The vapour section is badly corroded making it liable to leakage of vapours There is a possibility of phosgenebeingformed nearness of - sources =: heat | . fi because of the - teenie , ; : vs _- Ser we ee ... TEL 1-519-973-1906 Jan 06'93 10:15 No.001 P.04 Directions Directions to be issued a | - . | Lee 1 Collector baga in the brake lining shop shall be shaken with only . the maintenance operator operator present eave - mie oie 2 The operator shall wear a suitable a the bags approved respirator for shaking % 3 Housekeeping shall be improved in the brake lining shop All fe settled dust shall be removed by vacumming or wet cleaning shall be permitted dry No sweeping 0 - put Sos 4 The vapour degreaser at the brake plate assembly line shall be 1 acceptable in a suitable state of repair or replaced with an wiit 5 The vapour degreaser shall be located at least 50 ft from a hot solvent operation or fitted with an adequate local exhaust system to remove any degreaser from the oF4 vapours escaping from the degreaser or evaporating parts leaving at + Recommendations . ae. ign eg 1 Operators working with asbestos should be placed under medical super me . vision including periodic rays by the Industrial Hygiene Branch Occupational Chest Unit oe ** 2 Where the respirator is directed above it must be considered that not all people can be fitted with a respirator I would put the operator on the day of the visit in this category a ; 3 An alternative to vapour degreasing such as coustic cleaning would be preferable If it were employed then directions 4 and 5 could be ' disregarded 4 Some baffling should be to prevent the escape of mint spray provided power from the = brake spray booth - HMN jej a ee ee A, , hoe Unit aca Engineering ay et woe: . : . : yt . jae . | - a : boys ee t a allan tot neste RT Nae CCR OTS ' here ne Ot 49 ^' i : . ncenait Lec datbaelianh canta yt a . te ReaD ted aad Nas es Seeee MatPgt h