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Documentary Evidence
Karen Read Good Samaritan Hospital Medical Records (93 mg/dL BAC)
Read's January 29 Good Samaritan records, including Section 12 admission documents and a hospital serum-ethanol result of 93 mg/dL from a 9:08 a.m. sample.
About
The 93 mg/dL hospital serum ethanol result was used in the prosecution's BAC retrograde-extrapolation calculations. The defense challenged the reliability of that source result; Knowles distinguished Good Samaritan's hospital lab from her forensic laboratory and testified that she lacked direct knowledge of its accreditation, quality-control procedures, testing procedures, and the accuracy or reliability of the reported result.
Karen Read's medical records from Good Samaritan Medical Center for January 29, 2022, including her Section 12 admission documentation and the serum ethanol test result of 93 mg/dL collected at 9:08 a.m., generated by the hospital's laboratory.