Document 4JOv9eZL6wQ60oqobz7pqw3xx

FILE NAME: US Gypsum (USG) DATE: February 11, 1954 DOC#: USG041 DOCUMENT DESCRIPTION: 1954 General Order re Elimination of Dusty Conditions. Cancels page 1 of order issued 8/24/43 and page 2 of order dated 4/1/42 ,Qpcroting Division GENERAL ORDER .fniUf Approved: v . ... ELIMINATION OF DUST CONDITIONS Ilo. 2-5 Dote 2-11-5U Parie 1 of 3 *_ Cancels Pace 1 Dated 8-2U-l3 ENCIMERINQ 'Installations of operating equipment in.all plants shall be so installed as to meet or exceed any state requirement on ventilation and dust . control. The Works Manager shall immediately notify his Production Manager in the event of any non-compliance of ventilation or dust control 0 " lining hie recommendations for changes in equipment or design or methods necessary for full compliance with the state or local regulations. Where the control of dust is impossible vith existing plant facilities, authority request for dust-collecting equipment shall be prepared and suo- mitted to the Production Manager. REQUIRED PRECAUTION . ' Works Managers shall ascertain that the following precautions are taken to 'eliminate or prevent extremely dusty conditions and shall likewise employment of individuals proviouely exposed to hazardous dust concentrt t Adequate ventilation-shall be maintained in all vork areas. Clean- .up vork shall bo handled in a manner which will not greatly increa dust concentration. . Dust-collecting equipment shall be regularly inspected and maintained' following inotructions issued by the manufacturer. Suchequipment, when installed, shall be of such' capacity as to control the maximum anticipated concentrations of dust. . , Bates packers shall be kept tight and, if necessary equipped with hood and collector. - Conveying, elevating and mixing equipment shall be so maintained that they are not sources of excessive dust, Buhr stone dressing operations shall be provided with a d . S e g ment for removing dust at point of operation. The cU e = ^ of a typo which provides suction at the dressing tool and^removeo the dust from the. surface of the stone. The dust drawn in*o c0~ f Z ^ must be discharged into an arrestor. Workmen engaged inr dressing of buhr stones'are required to wear goggles and respirators. - General Revision * PLAINTIFF'S EXHIBIT 1523 Asbestos Exposure Operations involving manual handling of asbestos in an^ be -- considered in an area in vhich employees shall he required to veer adequate respiratory equipment. . . '. Pre-Employment Physical Examinations . Bef^ a . P P ^ S h ^ e " previous employment should be T a l l y P* ^esuon. ^ Indicated able history of exposure to asbestos t all not partial lurg disability such as tuberculosis, the applicant shall xa heamploved la any plant until be satisfactorily passaa an X-ray - examination. I t e --- history of all applicants for employment >*" '* ^ i r ^ S c d on Employment Data and Application Card, P o m 1U. - 12/52 Revised, for all applicants hired. RESPIRATORS ' . a.^ vitr the United States Bureau of Mines may be purchased Only respirators approved by the Uniteq eta*. locations it may be halation of nuisance dusts. - - Employees exposed to ^ , eat" ^ l l CS " o r ^ l e i l l ^ S e r v e i y dusty coadii S e d ti v e a / a n approved flltar-type respirator. A complete H a t of aucb respirators, antItled Devices Approved by Bureauof ; able at no cost from the United States ueparuiucu Washington, D. C. of Interior Bureau of Mlnee, Care of Respirators Respirators shall not be mSr^S^ tlTthe same employee: rterlHtlne d vaablne.) 1. Immerse respi,rat.or i,n a a1 -at-jo--api-opaerr cceenntt suolution of creosol. Rinse thoroughly and allow to dry. General Revision ti Operating Division I# GENERAL ORDER Approved: ELIMINATION OF DUSTY CONDITIONS No. 2-5 Date 2 - n - a Page 3 of 3 Cancele Dated (N ev) 2. Immerse respirator in alcohol in strength of 75$ or more. Avoid alcohol that is denatured vith poisonous or irritating substances, unless the respirator is thoroughly rinsed after sterilizing. 3. Place the respirator in a moist atmosphere of antiseptic gas, such as formaldehyde. This must be done in a tight cabinet. k . Immerse respirator for 10 minutes in a solution of Formalin, . then rinse. The solution can be made by mixing 1 part of nUp formaldehyde in 9 parts of vater., ( \ 5. Immerse respirator in boiling vater or live steam for 5 ndnutes. . (NOTE: Repeated immersions in boiling vater or steam vill harden rubber parts of the respirator.) Prior to sterilizing the respirators, It Is veil to vash the robber end s*tal parts vith soap, brush and warm vater end rinse thoroughly. _ EXPLOSIVE DUSTS . Dust vhich has an explosion or flash fire potential such as coal' Vd' ^ ^ ' starch, etc., shall e adequately controlled, arrested and removed to eliminate or minimize the possibility of an explosion or flash fire. *!fer ^ ^ concerning explosive dusts and their control to Department 186 - Tax and Fro perty Department, Chicago Office.