US Dept of Transportation
Procedures for Transportation Workplace Drug & Alcohol Testing Program; Final Rule

Society of Toxicology
The leading global force and resource for advancing the science and applications of toxicology.

US Department of Labor Drug Testing Laws by State
The US Department of Labor has developed a web site called “Working Partners Substance Abuse Information Database.” This database includes worker’s compensation and unemployment compensation laws along with drug testing regulations for that state if any.

Society of Forensic Toxicologists
The Society of Forensic Toxicologists, Inc. (SOFT) is an organization composed of practicing forensic toxicologists and those interested in the discipline for the purpose of promoting and developing forensic toxicology.

SAMHSA
SAMHSA is the Federal agency charged with improving the quality and availability of prevention, treatment, and rehabilitative services in order to reduce illness, death, disability, and cost to society resulting from substance abuse and mental illnesses.

Pesticide Action Network (PAN)
The PAN Pesticides Database is your one-stop location for current toxicity and regulatory information for pesticides.

National Clearing House for Drug and Alcohol Infor
NCADI is the world's largest resource for current information and materials concerning substance abuse.

Division of Workplace Programs
The Drug-Free Workplace concept was adopted and promoted by national, State and local organizations of employers and business executives. This site provides information and resources in establishing and maintaining a drug free workplace.

Currently certified labs under the NLCP
Current list of laboratories which meet minimum standards to engage in urine drug testing for federal agencies.

American Academy of Forensic Sciences
The American Academy of Forensic Sciences is a professional society dedicated to the application of science to the law.