Hemicals Regulation: A comparison of US and European Approaches (TSCA vs. REACH)

describe the difference between TSCA and REACH approach in chemical regulation
this website very helpful :
Use different possible articles as a refernces
dont forget the citation and references please

Added on 15.03.2015 16:33
can you look this over and make the proper adjustments?

I need more facts scientific fact when you compare these 2 approach , my teacher didnt accept it and thinks it still need to be improved I will attach helpful document will help in find the differences between TSCA and REACH
please i need it in 2 hours from now to make review before i submitted

Added on 15.03.2015 18:32
please attached your previous document and I highlighted the thing that accepted with green color
other information not appropriate for my topic
please I need it soon