Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

General

Legacy ID
1

DOT Rule 49 CFR Part 40 Section 40.89

Subpart F - Drug Testing Laboratories § 40.89 What are the adulterant cutoff concentrations for initial and confirmation urine tests?

(a) As a laboratory, you must use the cutoff concentrations for the initial and confirmation adulterant testing as required by the HHS Mandatory Guidelines...

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 under § 40.86, you must conduct it in accordance with the requirements of this section. 

(a) You must...

April 1, 2016 News Digest

BTS Releases Transportation Statistics Annual Report 2015. The U.S. Department of Transportation’s Bureau of Transportation Statistics (BTS) today released the Transportation Statistics Annual Report 2015 (TSAR). The 20th edition of this congressionally mandated report presents key...

January 2016

Retrospective Review and Analysis of Existing Rules

Smart City Challenge Phase 2: Notice of Funding Opportunity

 

Update 4/18/16: Amendment 1 has been issued to this Notice of Funding Opportunity.  Download Amendment 1 to NOFO 2 here.

The Federal Highway Administration (FHWA) has issued the second Notice of Funding Opportunity (NOFO) for the Smart City Challenge. The NOFO...

News Digest DOT 34-16

 

PHMSA Sets Final Rule on Reverse Logistics of Hazardous Materials to Distribution Centers. The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations (HMR) by adopting regulatory amendments applicable to the safe...

DOT Rule 49 CFR Part 40 Section 40.85

Subpart F - Drug Testing Laboratories § 40.85 What are the cutoff concentrations for urine drug tests?

(a) As a laboratory, you must use the cutoff concentrations displayed in the following table for initial and confirmatory drug tests. All cutoff concentrations are expressed in...