Archived 11/14/2013. SN 46 clarifies Emergency Eyewash and Safety Shower requirements in various standards: 1910.151, 1910.94, 1910.261, 1910.268, 1910.111, and 1926.403. Note: SN 46b was archived on 11/14/2013 when OPN 143 - Suitable Facilities for Drenching or Flushing the Eyes or Body became effective.