Enviornmental Management 647

I need one more question answered to this assignment:

https://www.coursehero.com/tutors-problems/Statistics-and-Probability/9124159-This-assignment-is-based-on-the-case-of-trichloroethylene-exposure-in/

3. Write a brief essay (no more than a page) explaining your results to a lay person.

If you can complete this within a couple of hours from this post, I will release more information that is essential to completing this essay I need. Thank you.