I'm not certain. I don't recall the signs when I started in 2013. The one EHS document I can find that mentions the posters is dated 2014: https://ehs.utexas.ed

I'm not certain. I don't recall the signs when I started in 2013. The one EHS document I can find that mentions the posters is dated 2014: https://ehs.utexas.edu/documents/EHS-AnnualReport-2014.pdf https://ehs.utexas.edu/documents/EHS-AnnualReport-2014.pdf