Document jgd9QG50XE6yqj76gV5pYkQzR

W> - VAc'-r*,: 3 <" '< / JJ-`` ' / c? c~y/ytn Oort. . trPoXY mi* toKtf <= /3oD'-i'- ftuT SioCfC'CLjy Maintenance Supervision nh ^ i.T wot HAZA/rO, . + o y]r}M j& DUST RESPIRATOR USAGE The following safety rule will be placed in effect with Maintenance Department employees on November 2, 1970. . All Maintenance Department employees sub ject to hazardous dusts such as silica, asbestos, etc;, must wear an approved dust respirator. Areas where sandblast ing and demolition of existing insulation for the purposes of salvage and/or repair would be included in this rule. The two respirators which have been approved by the Safety Department are; (1) MSA Dustfoe 77, Dow Stock No. 15-26005, Cartridge No. 15-23775, and (2) Wilson Dust Respirator, Dow Stock No. 15-25460, Cartridge No. 15-23790. You should see that your people are notified and equipped for this prior to the effective date. VSas<ii9ois F. B. Crouch /bs All Contractors E & CS Construction Department Personnel - Freeport DUST RESPIRATORS . The following safety rule will go into effect on November 9, 1970: All contractor employees subject to hazardous dusts such as silica, asbestos, etc., must wear an approved dust respirator. - ' Areas where sandblasting, demolition, etc., of such materials are involved are included in this rule. Two respirators which have been approved for this*service are: 1. 2. -Dustfoe 77, MSA No. 96000, Cartridge MSA No. 96077 Wilson Dust Respirator (Mask) No. 600A, Cartridge Wilson No. R-501. C You should see that your people are notified and equipped with the approved respirator prior to the effective date. M. E. Berge --- November C, 1970 C. b. Harding, Jc . 'agnes turn I A'(j50 cc; R, C. Walker, B-1U1 ENVIRONMENTAL CONDITIONS AND PROTECTIVE EQUIPMENT SPECIALIST TEAM NOVEMBER INSPECTION 0? MACNESIUN I Aside from the obvious problems of heac and gas exposure against which you seem to be waging t continuing battle the SpeciaiLtt Team feels you r.wiy be overlooking two problems. I. .vsbeKi'fis exposure: occurs with mixing of dry asbestos: replacing and breaking up asbestos panels and tearing isbescus sheeting. We recommend A) Ai; In Connive educational program Informing the men of risk of the danger of lung cancer wich asbestos exposure combined with cigarette smoking. 3) Strict enforcement of adequate protection when ex posed to asbestos dust: 1) Acme-Duo Seal with clip on dust filter or 2) Welsh twin cartridge respirator with clip on dust i i I tor (eirhor of which will be effective ugu.'cst ..i.cstos dust and oh lu( t nul . >1. Noise appeals Co be .> problem A) Cat bon hanging - air urlveu tools b) Air driven chipper - cleaning cells a C) Mecal transfer crew - motor noise. We recoi/vnenii l) Noise level measurements 1-. above areas by chu Iuuuscrtal Hygiene group. V) Mandatory cur plugs in those ...oar where acceptable witss 'aval is exceeded. 1(. K, t'li.lo, M.h. l<4i (Par the '"ipec.ulist TcuiiO THE DOW Cl l HOUSTON DQW CENTER Texas Division November 10, 1970 H. L. Mathews - Angleton D. M. Turner - Freeport - A-1201 J. E. Arbour - Houston J. P. Murray - Bay City W. G. Specht - Bay City J. C. Brownfield - Houston T. C. Mandrell - Houston W. R. Hale - Freeport-B-101 HAZARDOUS DUST You are aware that effective November 2, 1970 all employees subject to hazardous dust, such as silica, asbestos, etc., must wear approved dust, respirators. Mr. Bergen has issued the same safety rule for all contractors and E&CS Construction Department personnel. You are advised to instruct your personnel of this rule which also applies without exception to our people and our contractors. R. R. Swanke APC Chairman lo NOV 1 21970 T C. I.'AXDRE'' NOVI 2J970 ST06U903