Document w178EeGmjwoVVmp8XbZ8XjbJ

Hr* J. 8. holt&vay AMERICAN BRAKE SHOE COMPANY AMERICAN BRAKS3L0K DIVISION WINCHESTER, VIRGINIA September XQ, 1959 Mr* D Ho Rennie Troy Office Dear Dons AMERICAN BRAKE SHOE CO. medical dept. With regard to your letter of August 18, 1959 on the matter of Liberty Mutual* s Industrial Hygiene Survey, conducted June 25 and 26, 1959, ve wish to offer the following* Upon receipt of the report, Messers* C.B. Mallory, J*W* Riley, C*L Curtis and the writer, made a complete analysis of same* Although we felt that ve were aware of exact locations as described in the report, there were some areas ve questioned and ve elected to withhold any comments until after such a time as Mr* Charles Cole, Liberty representative, visited us again* Mr* Cole was here on Friday, September 4, 1959* arhgmg.itgafl Conclusions (Page 3) 1*) The weighing of certain powders at the south end of the dry mix powder bins indicated high lead concentration (4*33 Milligrams per cubic meter)* Observation of this operation indicated the followings (a) Operation is being performed several feet away from the exhaust system* 3his exhaust was installed after our Medical Department survey of November 5*8, 1957* (b) Certain new materials are being weighed and there are not sufficient storage bins in regular line to accomodate them* (a) Move weighing operation bade under hood in order that proper advantage may be taken of exhaust system* (b) Relocate exhaust hood in order to use to better advantage* On this item Shop Requisition #22015 has been Issued* SPNY 007417 ; The dumping of mix into buggy * "*'-s bosvjm of ts ribboa misers on the dry line results in sSfines*- not being ecaUinso by the dust control system* Snop rccv.isitic.-n #22016 has been issued t-o: (a) enclose vb.e rapid Standards Conveyor (b) to provide a back on the hood on" #2 line - (o) to rework the hooi oii #1 line* J.tO Ecrderlir.e health hazard during dumping from blender to *;X naomermill may exist* Shop requisition #22017 has been issued to cover a velocity check on the exhaust system here* Xt is possible we may have to throttle back the blast gates mentioned in para* #2 to provide more air here* ko) Ho comments - baaed on their comments* 5o) Minimal concentrations of airborne lead exist at rolling machines except b&Cking machine #6* (a) It Is apparent that several conditions exist in the fume hood system, due to "poor51 maintenance* This is not entirely the fault of poor workmanship but more from the absence of work performed on the equipment* Shop requisition #22020 has been Issued tos (a) Check the fan for BPH's and speed up if, necessary* (b) Relocate several hoods and "fasten with a purpose"* (c) Secure "compressed air" signs properly* (d) Repair machine hopper before a complete new one is required* Strip. Finishing 6) Ho comments - Everything seems to be In order* 7) Close surveillance of exhaust system where higher lead con* centratlons existed (0*1 milligrams) - Automatic Chamfer #2 ~ back grinder #3 and exhaust of Torit Collector on automatic strip grinder* SPNY 007418 w^ &s2a-*&s& Shop roqulstion #20221 has been issued to; (a) Rebalance dust collector system #1* (b) Pipe Torit Collector to the outside* 't oust be noted that when dust collector #13 is installed, an -additional 4,000 CFK9s will be released for use in : '2a aepax*tmsnt* &SkBhlnfr (Blok Department) 9*} No comments - Everything apparently in order* 1C*) No comments ~ Everything apparently in order* NOTE: By taking action as indicated above, it is felt we will reduce and in some instances eliminate those excessive cotints as shown on pages 8 & 9 & 10 of the survey* Airborne Aabeatoa Conclusions (Page #11) 1*) Borderline health hazard exists at weigh and dumping stations in the wet line* Action Taken Shop requisition #22019 has been issued for: (a) New rubber gaskets on flanges of hopper* (b) New dust "box skirts" be installed in place of battered and crushed ones now in use* 2*) Weighing and blender charging - excessive airborne asbestos* Shop requisition #22023 has been Issued to cover* Improve design of hoods, rebalance system and relocation, if necessary* 3*) Covered above* NOTE: The above action should reduce and/or eliminate high counts shown on page 14 of report* Methyl Ethyl Ketone Vapor In Air PC Department 1.) No comment* (Page #15) SPNY 007419 Exposure of cp-arar.sr heal ',h hazard. Co) Shop requisition #2202** has been issue a to set large roof fan to bring air into room instead of pulling out the latter being operators desire* BJ^^Seg^it^gompoandixig 2) No comments* ba) No comments* NOTEs High counts as noted on page 17 should be relieved and/or eliminated as result of above action* fifiMtos-jflgqmttpn, Smsss No comments* yantilationStudv This report indicates that our present system could stand some repairs and revamping* Certain cases exist where the original hood was taken off and never remodeled or replaced* Mr<> Wagner9 s report indicates that we should redesign our entrance fittings on the majority of our equipment* To do so will be very costly and time consuming and will not in the end solve many problems* We have to assume that the individual workman will still "doctor" or batter the ductwork as they have dene in the past* Our control over this will have to be improved upon by going to disciplinary action, if necessary* Ar. Cole was advised that after we have completed all action of the discussed items we would like him to recheck the areas concerned and again offer their comments* Any comments you may have as to our action on any of these items will be appreciated* WoH*Baker/pr cct F*E*Tayler J.&ovlak JTt Gresh G. A. Riley L*E.Hamlin JS*Holtaway Safety Director* SPNY 007420