CFR 1910 regs list/links
Lab Standard
HazCom Standard

PPE Standard - General (1910.32)
Z-1 Table
BBP Standard
1910.95 Noise Standard
      Relevant Interp 
      OSHA HeaCons Pub
      1904.10 Recording Hearing Loss

Subpart I gas regs
   1910.101 Compressed Gas general
   1910.102 - Acetylene.
   1910.103 - Hydrogen.
   1910.104 - Oxygen.
   1910.105 - Nitrous oxide.