So In January of 2015, they got boxes of test kits and instructions from a lab supervisor from Flint's water treatment plant. They paid for it with Melissa's tax refund. The accepted limit on lead for drinking water is 15 parts per billion. One home, the home of Leanne Walters, showed a test reading 104 parts per billion. Leanne tested her water again a few weeks later. This time, it jumped to 400 parts per billion. (05:38–05:43)
CLAIM
Asserts that the safe limit for lead in drinking water is 15 parts per billion.
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