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並前往https://www.supremecourt.ohio.gov/sites/specDockets/EducationSeries/2021/October/101821.pdf

Interpretation of Drug Testing Results ... - Supreme Court of Ohio

15 ng/mL. cocaine (crack)*. 150 ng/mL. 100 ng/mL ... 300/2000 ng/mL variable. phencyclidine (PCP) * 25 ng/mL. 25 ng/mL ... measured in ng/mL = ppb ...

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