Webcache is your friend.
Try this link.
Not only is the article available there, but you can now go past it to get to the wide range of original sources used as references. The top links are kacked, but most of the references at the bottom still work, including some EPA references.
The internet is forever.
One trick I use on archived websites with a lot of links is converting it to a PDF file with active links in it. I can then reference it even if the original site expires, and access any links from that.