Correspondence between

Mike- Wrapping up our comments but | need to run to a meeting real quick. Will get them to you be 11 am, Thanks, Darren Darren A, Lytle, Ph.D., P.E. Branch Chief (Acting) U.S, Environmental Protection Agency 26 West Martin Luther King Dr. Cincinnati, Ohio 45268 Phone: (513) 569-7432 Fax: (513) 487-2543 email: lytle.darren@epa.gov

Mike, Will do. Thanks much for sending to us. Darren Darren A. Lytle, Ph.D., P.E. Branch Chief (Acting) U.S. Environmental Protection Agency 26 West Martin Luther King Dr. Cincinnati, Ohio 45268 Phone: (513) 569-7432 i Fax: (513) 487-2543 email: lytle.darren@epa.gov

Automatic reply: Flint WTP PH2 SEG4 - Corrosion Control tam out of the office until 10/19. xxxEND_PAGE:deq16_b5_0892_4900_1014

1 Darren, Michael We have received Flint’s corrosion control proposal from their consultant. If you have comments, please provide them to me by Monday morning. Michael Prysby, P.E. District Engineer Office of Drinking Water and Municipal Assistance 517 290-8817

Gentlemen, “Attached i is a timeline of events that led us to the recent boil water notice. It shows all sampling and results