Miguel Deltoral

“When: Wednesday, October 28, 2015 12:30 PM-1:30 PM (UTC-06:00) Central Time (US & Canada). Where: Region 5 - Robert Kaplan's Office Attendees: Robert Kaplan Timothy Henry Miguel Deltoral Thomas Poy Michael Schock Jeffrey Kempic Darren Lytle Jim Sygo George Krisztian xxxEND_PAGE:deq19_b12_0919_1015_51 Liane Shekter Smith Steve Busch Mike Prysby xxxEND_PAGE:deq19_b12_0919_1015_52

importance: High Just noticed you weren't capied on this... Miguel 4, Del Toral Regulations Manager U5. EPA RS GWOWEB 77 West Jackson Blvd, (WG-15]} Chicago, iL 60604 Phone: (312) 886-5253

Letter from Representative Kildee to EPA and MDEG on VT Flint Website -- Congressman Dan Kildee (D-MI 5th District) calls on EPA and MDEQ to answer, among other questions, “Is Flint water safe?” xxxEND_PAGE:deq03_b195_0292_0292_1

Hi All, There is already a story by Jessica Dupnack that was aired on Friday: Thanks, Andrea Porter Environmental Engineer Ground Water & Drinking Water Branch U.S. EPA, Region 5 (WG-15)) 77 W. Jackson Bivd. Chicago, tL 60604 Phone: 312-886-4427 Fax: 312-697-2656

Just FYI - I had a voicemail from Jessica Dupnack (a reporter in MJ) regarding the Walters’ sample results and I forwarded it to Pete Cassell as requested. Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDWB xxxEND_PAGE:deq03_b604_2838_3252_275 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253 xxxEND_PAGE:deq03_b604_2838_3252_276 Rennaker, Joanne (DEQ)

Hi Ail, There’s a furry of new articles: brew mive. com/news/! http / Awww waet.corn/ rn sure there will be more. Thanks, Andrea Porter Environmental Engineer Ground Water & Drinking Water Branch ULS. EPA, Region 5 (WG-155} 77 .W. Jackson Blvd, Chicaga, (L 60604 Phone: 312-886-4427 Fax: 312-697-2656

Hi All, Looks like the Flint Pb water story is getting even more press: nite / noc? Snews.com/news/local /new-report-mistions quality-o Thanks, xxxEND_PAGE:deq21_b095_0285_0286_1 Andrea Porter Environmental Engineer Ground Water & Drinking Water Branch U.S. EPA, Region 5 (WG-15J) 77 W. Jackson Blvd. Chicago, IL 60604 Phone: 312-886-4427 Fax: 312-697-2656 xxxEND_PAGE:deq21_b095_0285_0286_2

I haven't spoken to her so I don't know, but information on the Flint Water Update website, which is recent, says that the Walters are still using bottled water for drinking/cooking. Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253 Sent: Tuesday, September 1, 2015 02:09 PM

Hi, Miguel. We had a call yesterday with MDEQ and were discussing Marc Edwards’ website. MDEQ thought that Ms Walters’ home has a whole house filter that would remove chlorine in addition to lead and other contaminants, such as a GAC filter. | said that when you and | were out there in late April/May, that there was no whole house GAC filter or other tap or under-sink filter; she had an iron filter at the entry point to her home—but an iron filter wouldn’t remove chlorine, though chlorine could oxidize the iron. Do you know if Ms Walters’ has installed a whole house GAC filter, or tap GAC filter or under-sink GAC filter since May? Jennifer xxxEND_PAGE:deq04_b578_6377_6764_175 Rennaker, Joanne (DEQ)

Janet - See email below from OGWDW and please forward to the States. The lead in drinking water exposure information that has been on EPA's website is incorrect and is being changed. Unfortunately, it has up for so long that pretty much every other website out there, including State PWSS Program and Health Department websites, say that drinking water can contribute "up to 20%" of lead exposure. This is incorrect and is being changed by EPA to "20% or more". Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253

All - One of our stakeholders has identified inaccurate information on the EPA web site (see below). The study that supports the 1991 rule is still the scientific basis for the estimate of 20% or more contribution from drinking water of total lead exposure. We need to ensure that the information on the agency's web site and in materials is correct. We've identified two web sites at HQ that we are revising. I need your assistance in identifying and revising the incorrect information in other places. 1) EPA web sites that incorrectly state "up to 20%" 2) Brochures, factsheets, etc that incorrectly state "up to 20%" Please complete corrections to web sites as soon as possible. We will compile a list of materials and develop a plan with you for making corrections to other materials. If you have questions or concerns please contact Jeff Kempic. Thank you in advance - Lisa xxxEND_PAGE:deq04_b104_3261_3262_1 Lisa Christ, Chief Targeting and Analysis Branch Office of Ground Water and Drinking Water USEPA 1200 Pennsylvania Ave NW Washington, DC 20460-0001 phone: 202.564.8354 fax: 202.564-3760 Mail Code: 4607M

Here's Darren's Bio for MDEQ. Miguel A. Del Toral Regulations Manager U.S. EPA RS GWOWB | 77 West Jackson Blvd, (WG-155) Chicago, IL 60604 Phone: (312} 886-5253 xxxEND_PAGE:deq04_b577_6019_6376_239 DARREN A. LYTLE U.S. Environmental Protection Agency Cincinnati, OH 45268 (513) 569-7432 Phone (513) 487-2543 FAX [email protected] Education Ph.D., Environmental Engineering University of Illinois at Champaign-Urbana, Champaign, Illinois, December 19, 2005 Advisor: Prof. Vernon Snoeyink Dissertation: “The Effect of Water Chemistry on Iron Particles and Suspensions” Master of Science, MS, Environmental Engineering University of Cincinnati, Cincinnati, Ohio, 1991 Advisor: Prof. R. Scott Summers Thesis: “Removal of Beryllium from Drinking Water by Chemical Coagulation and Lime Softening” B.S., Civil Engineering University of Akron, Akron, Ohio, 1990 Registration Professional Engineer, Ohio, No. E-61725 Experience U.S. Environmental Protection Agency (EPA) Office of Research and Development (WSWRD) Treatment Technology Evaluation Branch (TTEB) Water Supply and Water Resources Division 26 W. Martin Luther King Dr. Cincinnati, Ohio 45268 Supervisory Environmental Engineer (Branch Chief, Acting) (May 2012 to present). See below for duties. Environmental Engineer (GS-14 National Expert) (March 2012 to May 2012). See below for duties. xxxEND_PAGE:deq04_b577_6019_6376_240 Supervisory Environmental Engineer (Branch Chief, Acting) (March 2010 to March 2012). Oversees and manages Branch within WSWRD’s Treatment, Technology and Evaluation Branch (TTEB). Branch consists as many as twenty- four federally-employed engineers, chemists, and technicians. The Branch conducts drinking research in support of the development of new and previously promulgated Federal drinking water standards. Serves as first line supervisor for a staff of engineers, scientist and technicians. Provides direction, guidance, advice and assistance to Branch staffing all administrative matters and in technical matters, as appropriate; sets priorities for Branch products within research plans; assigns staff, evaluated performance; resolves complaints and disputes within the Branch; handles appropriate personnel actions and issues, including recommending promotions, approving leave and interviewing and recommending candidates for positions within the Branch. Environmental Engineer (GS-14 National Expert) (June 2009 to March 2010). See below for duties. Supervisory Environmental Engineer (Branch Chief, Detail) (February 2009 to June 2009). Oversees and manages Branch within WSWRD’s Treatment, Technology and Evaluation Branch (TTEB). Branch consists of twenty-four federally-employed engineers, chemists, and technicians, and a number of contractors. The Branch conducts drinking research in support of the development of new and previously promulgated Federal drinking water standards. Environmental Engineer, National Expert (GS-14) (January 2005 to February 2009), Serves as a nationally and Agency recognized researcher on water treatment and distribution system issues including corrosion control, inorganic contaminant and pathogen control, and biological water treatment. Provides extensive research and technical assistance to EPA for the development and implementation of drinking water rules and regulations. Activities include addressing scientific peer panels like the Science Advisory Board with the results of my research, and participating on EPA workgroups and committees that develop guidelines and policies that the Agency issues to the water treatment utilities for achieving safe drinking water. Plans, directs, and participates in an in-house and extramural (grants/contracts) research program focused on corrosion control, inorganic contaminant and pathogen control, and biological water treatment. Research efforts are integrated into WSWRD, Regional and Program goals and needs. As the nationally recognized researcher, author authoritative scientific papers on research results in peer reviewed professional journals and writes chapters in technical manuals and books. Presents results of research at National Conferences, workshops, symposia and meetings. Organizes and moderates sessions at national B-2 xxxEND_PAGE:deq04_b577_6019_6376_241 conferences, etc., sponsored by various groups on topics of his special expertise. Called upon by other EPA programs, and organizations such as the Office of Water, various Regional Offices to participate in seminars and workshops. Environmental Engineer (1990 to November 7, 2008). Plan, design, and conduct in-house and field research on the removal and control of inorganic contaminants such as turbidity, metals and radionuclides, and microorganisms

Sorry, forgot the file... Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253

Morning Jen, Here's Mike's bio as requested by Flint. I haven't received anything from Darren yet. Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253 xxxEND_PAGE:deq04_b218_3468_3468_1

Slight correction...most old pipe from the home to the shut-off is galvanized, and the majority of lead they have seen is from the shut-off to the main. Apologies for not getting this report written up, but I keep getting sidetracked with NDWAC LCR and RTCR primacy packages. I will try to get that written up and out to you in the next week. If I get copies of the latest results 1 will forward them, but my understanding is that the DEQ lab runs the samples, so they should be available within DEQ as well. Miguel A. Del Toral xxxEND_PAGE:deq16_b5_0892_4900_0976 Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253

Attached are the results from Ms. Walters! testing following the replacement of her service line. Lead levels look good and copper is less than 1/2 the action level through the new copper service line. The first 15 samples were the sequential samples (kitchen tap to water main) which came back fine. Sample 16 is the bathroom tap which came back fine. Samples 17 and 18 were from the hot water heater where one result was high, likely from residual particulate lead from before the service line work. Miguel A. Del Toral Regulations Manager U.S. EPA R5 GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253

Please see the final results report. Should you encounter any problems with this transmittal, please email or give me a call. Thank you. -Sylvia

Here are the results from the two homes sampled in Flint. Nothing horrific which is good. One home does not appear to have a LSL at all (Home 2). The other home (Home 1!) appears to have a short LSL, consistent with the practice in Flint (curb to main only). Highest result from the LSL home (Home 1) was 22 ug/L using the standard analytical protocol. They will now get shipped to Marc Edwards at Virginia Tech to see if our protocol is missing particulate lead, which made up the majority of the lead in Ms. Walters sample results. I forgot to mention that all along the block where Ms. Walters lives, there are patches in the street from non- water-related utility excavation right up to the curb, so fairly recent physical disturbances to Ms. Walters service line are likely. I think it was gas work, but I have to check. Miguel A. Del Toral Regulations Manager U.S. EPA RS GWDOWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253 xxxEND_PAGE:deq04_b576_5666_6018_237

Please see the attached final results reports. Should you have any questions regarding this transmittal, please email or call me. Thank you. -Sylvia 3-9073

Hi Miguel - sorry, | should have been more specific in my previous email. The rules you stated below allow large systems to be considered having optimal corrosion control if they have data from two consecutive 6 month monitoring periods that meet specific criteria. DEQ-ODWMA has not made a formal decision as to whether or not the City of Flint meets the exemption criteria or will be required to do a corrosion control study since Flint has only completed one round of 6 month monitoring. The City of Flint's second round of monitoring will be completed by June 30, 2015, and we will make a formal decision at that time. {f my memory is correct, this is consistent with the process followed in the early 4990's for large systems when the Pb/Cu rule was first implemented. The Department waits until large systems complete both rounds of full scale, 6 month monitoring before making a decision about optimal corrosion control. If it is determined that Flint has to install corrosion control treatment, the rule allows up to 2 years to complete a study and 2 additional years to install the treatment unless we set a shorter time frame. . As Flint will be switching raw water sources in a just over one year from now, raw water quality will be” completely different than what they currently use. Requiring a study at the current time will be of little to no value in the long term control of these chronic contaminants. Finally, the City of Flint’s sampling protocols for lead and copper monitoring comply will all current state and federal requirements. Any required modifications will be implemented at the time when such future regulatory requirements take effect. Patrick Cook, P.E. Community Drinking Water Unit Office of Drinking Water & Municipal Assistance Michigan Department of Environmental Quality Phone: (517) 284-6514 . [email protected]

Good morning, Tom Just an update on the Flint sampling so folks know what's going on. As we had initially discussed, the only way to really see what the lead levels are throughout and where the lead is actually coming from at Ms. Walters! place is to do sequential sampling prior to the removal of the LSL. I spoke to Ms. Walters and she said that the water was shut off inside her home, so it can actually be turned back on, so Jennifer and I picked up sample bottles from the R5 office and we will be dropping them off at Ms. Walters place today on the way home from the MDEQ RTCR meeting. Pat Cook has confirmed that following the disconnection from Detroit, Flint has not been operating any corrosion control treatment, which is very concerning given the likelihood of LSLs in the city. We do not know how many LSLs there are in Flint and according to Ms. Walters, neither does the city. She said that they do not know where any LSLs are, based on their records, so other than what appears to be a very long one at Ms. Walters' place, we don't have confirmation of any others at this point. Since they were used extensively here in RS, it is likely there are more. No idea how many, though. Marc Edwards (from Virginia Tech) was kind enough to offer to analyze this round of samples so she will shipping the samples to Marc for analysis. I asked that he measure phosphate as well, so that we have some data on that. As we discussed, R5 will send an additional set of bottles to Ms. Walters for the follow-up monitoring once the LSL is removed. I spoke to Mike Prysby on Friday and he said that the city was going to remove the LSL fully this Wednesday. I also brought a camera with me and will take some pictures while we are at Ms. Walters place as well. Apparently, according to Ms. Walters, the water director appears to be telling residents that the high lead from Ms. Walters residence is from the internal plumbing and that a reporter she was talking to, as well as others, has confirmed that this is what residents are being told. Ms. Walters indicated that the line coming into the home appears to be galvanized pipe. If this is true, it is possible that her portion of the service line, from the home to the property line, is not lead and that the city-owned portion of the service line is the only source of lead here. The sample results should help to clarify where the lead is coming from. Call me on the cell if you need to:! Miguel A. Del Toral xxxEND_PAGE:deq20_b11_432_511_65 Regulations Manager U.S. EPA RS GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253 xxxEND_PAGE:deq20_b11_432_511_66

Hi Pat, xxxEND_PAGE:deq27_b012_0046_0049_1 I'll be heading out to MI for RTCR tomorrow and won't see email until next Tuesday, but | wanted to follow up on this because Flint has essentially not been using any corrosion control treatment since April 30, 2014 and they have LSLs. Given the very high lead levels found at one home and the pre-flushing happening at Flint, I'm worried that the whole town may have much higher lead levels:‘than the compliance results indicated, since they are using pre-flushing ahead of their compliance sampling. if the source water lead is non-detect (zero), then according to 141.89(a)(3) they should use zero for that source water value: : : "All lead and copper levels measured between the POL and MDL must the either reported as measured or: ‘they can be reported as one- half the PQL specified for lead and sae in paragraph (a)(1)(ii) of this section. Alt As far as the treatment determination, there are only two scenarios for a large system to be deemed to have optimized corrosion control without treatment and Flint does not appear to meet either: The first is at 141.81(b)(3) Any water system is deemed to have ee ae corrosion control if it submits results of tap water ee If Flint's highest source water lead was zero, and their 90th percentile was 0.006, then Flint does not meet this criteria, because the difference must be LESS THAN the PQL (i.e., 0.004 or less). 0.006 - 0 = 0.006. c ™ egualito t the: Practical: Quantitati iondievelifordead for two consecutive ‘6-month. monitoring eg Although Flint's source water lead was non-detect (zero), the 90th percentile lead level is 0.006 which is above the PQL of 0.005, so Flint would not meet this criteria either. Am | missing something? Miguel A. Del Toral Regulations Manager U.S. EPA R5 GWDWB 77 West Jackson Blvd, (WG-15J) Chicago, IL 60604 Phone: (312) 886-5253

Total Lead collected from the plant tap on 5/22/14 was zero. 2 xxxEND_PAGE:deq04_b074_1938_2260_156 pat

Total Lead collected from the plant tap on 5/22/14 was zero. 2 xxxEND_PAGE:deq24_b012_0036_0039_2 pat

Total Lead collected from the plant tap on 5/22/14 was zero. pat