eCFR urls Changed for TSCA

GPO Access has recently relocated the url links for TSCA regulations in 40 CFR 700 – 789 and 790-799.  EHS Strategies, Inc. posts a table of CFR and EPA links to help you find references for key TSCA issues at  TSCA Quick Links.  I've corrected all the links (I hope).  Links to the eCFR are also broken on EPA's OPPT site.  Beware:  EPA also fiddles with their urls often as well!