Monthly Archives: February 2018

false positive drug test results

What Causes a False Positive Drug Test Result

THE OKOROCHA FIRM * February 23, 2018 Forensic Toxicology

false positive drug test results

This article explains What Causes a False Positive Drug Test Result and the scientific, legal or practical evidence readers should understand.

Alcohol Testing

The Accuracy of Alcohol Testing

THE OKOROCHA FIRM * February 20, 2018 Forensic Toxicology

Alcohol Testing

This article explains The Accuracy of Alcohol Testing and the scientific, legal or practical evidence readers should understand.

forensic toxicology

Forensic Toxicology: How Drugs Affect Driving

THE OKOROCHA FIRM * February 16, 2018 Forensic Toxicology

forensic toxicology

This article explains Forensic Toxicology: How Drugs Affect Driving and the scientific, legal or practical evidence readers should understand.

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Recent Blog Articles

September 4, 2026

Nail Drug Testing in Court: Records and Scientific Limits

Learn what nail drug testing may show, why contamination and timing matter, and which laboratory records lawyers should request before interpreting a result.

September 4, 2026

Breath-to-Blood Conversion: Scientific Limits and Records

A breath-alcohol instrument measures alcohol in a breath sample. It does not draw or analyze blood. When a breath result is discussed as though it were a blood-alcohol concentration, a conversion assumption connects two different biological measurements. That distinction is not merely semantic. It affects how a result should be…

September 3, 2026

Breath-Test Records Needed for Scientific Review

A breath-test ticket is only the summary. Learn which instrument, calibration, reference-material, operator, sequence, and audit records support scientific review.