This is the website for me to download e-papers from interlibrary loan requests:

http://docdel.lib.umich.edu/ddintro.html

My email for this is my engin one. My password is how old I was when I was married, followed by the month reversed.

Here is another link that the library has been using:

http://ill.lib.umich.edu

Here is the EPA website link:

http://www.epa.gov/safewater/needs.html and another http://www.epa.gov/ogwdw/arsenic.html

About two-thirds of the way down the page, there is a bold title that states "EPA Adopts a Stricter Standard for Arsenic." One of the detailed support documents for the 2001 arsenic rule was the treatment technology and cost document and it can be found under this header:

http://www.epa.gov/ogwdw/arsenic.html