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Considerations when using a surgical mask for suspected or confirmed cases. In the majority of situations where standard respiratory protection is needed, a single use surgical mask is appropriate (minimum Level 1 barrier). Refer to Appendix 2 for AS 43812015 Single use surgical face mask

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Care should be taken that correspondence that has a precedentialor general applica­ tion be so classified, or a copy be so classified, or a cross index made. BOLD FACE TYPE In the alphabetical section bold face type is used only to designate names of vessels. SUBJECT AND NAME TITLE GROUPS SUBJECT GROUPS. A F H L N P S Administration.