Okla. Admin. Code tit. 310, ch. 661, app. A
Filter Efficiencies for Central Ventilation and Air Conditioning Systems in Hospices
Effective May 27, 200421 Ok Reg 1303Added at 21 Ok Reg 1303, eff 5-27-04Oklahoma State Department of Health
Figure 1

Added at 21 Ok Reg 1303, eff 5-27-04