Is your argument that testing should be conducted, but with specific guidelines? That testing is just as harmful as the contaminants it is testing for?

Be sure to center all of the sub-heading titles, though, to indicate directly where they are. I also wonder if you can find a stronger title.

As you move toward revision, Id most encourage you to focus on the phrasing and wording throughout the piece. I found it difficult to follow what the paper was about, and your thesis is unclear. Is your argument that testing should be conducted, but with specific guidelines? That testing is just as harmful as the contaminants it is testing for? Its unclear to me.

Also, what is your personal stake in this matter? Try to make that more explicit.