Just need a refresher on formalin and xylene monitoring regulations. Do we still have to do a 15 minute and 8 hour testing on both xylene and formalin, or can we just do the 8 hour. I wasn't sure if the regulations have changed or not. Thanks Anne _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
