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News Archive

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.88

Subpart F - Drug Testing Laboratories

§ 40.88 What criteria do laboratories use to establish that a urine specimen is dilute or substituted?

(a) As a laboratory, you must...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.90

Subpart F - Drug Testing Laboratories

§ 40.90 What criteria do laboratories use to establish that a urine specimen is invalid?

(a) As a laboratory, you must use the invalid...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.92

Subpart F - Drug Testing Laboratories

§ 40.92 What is oral fluid validity testing, and are laboratories required to conduct it?

(a) Specimen validity testing is the evaluation...

Data Set

Airport Codes (TXT)

About this Data

The Office of Aviation Analysis no longer maintains this list.  Please visit...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.87

Subpart F - Drug Testing Laboratories

§ 40.87 What validity tests must laboratories conduct on primary urine specimens?

As a laboratory, when you conduct validity testing...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.111

Subpart F - Drug Testing Laboratories

§ 40.111 When and how must a laboratory disclose statistical summaries and other information it maintains?

(a) As a laboratory, you must...