Document Gzz4ebdwLOn8krYNKZrpZoKE4

w; i:. OoR. rPo^y /^uT^i?r7 Maintenance Supervision p\ s 1 t\ I /C' / /' Jx /b,oo^( it / c-> e*>\st=. Si ocFe"EL> UAa/in'C DUST RESPIRATOR USAGE M A P \d A L.t 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. Vt)06ni90iS F. B. Crouch /bs All Contractors E 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. Dustfoe 77, MSA No. 96000, Cartridge USA No. 96077 2. Wilson Dust Respirator (Mask) No. 600A, Cartridge Wilson No. R-501. You should sec that your people are notified and equipped with the approved respirator prior to the effective date.