Correspondence among

Eden, More analysis and review has been done by Sarah’ staff. Here are the talking points: The high risk Zip codes (48503 and 48504} Blood lead level rates among children under six years of age in the high risk Zip codes (48503, 48504} were 2.7 times higher than the rest of Genesee County before the switch to Flint River Water (o<0.0001}, After the switch to Flint River Water, rates in the high risk Zip codes were 3.2 times that of the rest of Genesee County {p<f.0001). Thus, compared to rates during 2040-2013, the rates after the switch to Flint River water in the high risk Zip codes increased 18 percent, although this difference did not reach statistical significance. xxxEND_PAGE:dhhs02_b0025_0147_0149_1 000148 Other Zip codes in Hint Rates of elevated blood lead levels among children under six years of age In other narts of the city of Hint were 2 times that of the rest of Genesee County before the switch to Flint River Water (p<0.0001). The magnitude of the elevated rate remained roughly the same during the period after the water source switch.

Date: Thursday, October 01, 2015 2:18:30 PM More analysis and review has been done by Sarah’s staff. Here are the talking points: The high risk Zip codes (48503 and 48504) Blood lead level rates among children under six years of age in the high risk Zip codes (48503, 48504} were 2.7 times higher than the rest of Genesee County before the switch to Flint River Water (p<0.0001}. After the switch to Flint River Water, rates in the high risk Zip codes were 3.2 times that of the rest of Genesee County (p<0.0004}. Thus, compared to rates during 2010-2013, the r: risk Zip codes increased 18 percent, although this difference did not reach statistical sig Other Zip codes in Flint Rates of elevated blood lead levels among children under six years of age in other parts of the city of Flint were 2 times that of the rest of Genesee County before the switch to Flint River Water (p<0.0001}. The magnitude of the elevated rate remained roughly the same during the period after switch. s after the switch to Flint River water in the high icance, the water source

Importance: High 2 things: 8 Leaded gasoline has been banned for use in road vehicies since 1996, so it’s not likely that Flint kids would be exposed that way 8 The sentence “Mast of the iead In household water usually comes from the slumbing in your house, not frarn the local water supply” is not completely accurate and could be challenged. On the call v EPA today | heard that maybe 50% of the city’s lead supaly lines are lead..these are outside the house and would include i portion of the run ow d by the resident and the portion owned by the city water s

Sent from my iPhone Begin forwarded message:

and EBLLs (4).pdf; ATT00002.htm; STATELEADDATA with original and updated numbers.xlsx; ATT00003.htm FYI only. Keeping you in the loop regarding MDHHS CLPPP data. Sent from my iPhone Begin forwarded message:

“Current water sampling protocols were designed to assess the adequacy of water treatment, not the level of human exposure to lead. Important fluctuations in water lead levels might be missed because of limitations inherent in sampling protocols developed for regulatory purposes.” Linda ®. Dyhena, PAD. Environmental Public Health Director Division of Environmental Health Michigari Department of Health & Human Services 517,335,8566 dykernal@ michigan gov xxxEND_PAGE:dhhs02_b0501_1930_1930_1