Man shot while trying to hold up 3 federal agents in West Baltimore, police say

A sample at the Highland Park lab

In this sample at the Highland Park lab, the small bubble-like growths on this filter indicate atypical bacterial growth from a presumptive test. In a normal circumstance, this would be swabbed and incubated for a confirmatory test that would indicate fecal or total coliform.
Gregory Trotter, Chicago Tribune
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