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| Kimberly Smith/AJC |
| Bill Turner, a research microscopist, examines dust collected from a private residence as he makes an environmental forensics study Thursday at the MVA Scientific Consultants office in Duluth. |
![]() |
| Kimberly Smith/AJC |
| Bill Turner, a research microscopist, examines dust collected from a private residence as he makes an environmental forensics study Thursday at the MVA Scientific Consultants office in Duluth. |