DOT:
- http://www.dot.gov/odapc/
- http://www.phmsa.dot.gov/pipeline/drug
- http://www.fmcsa.dot.gov/rules-regulations/topics/drug/drug.htm
Laws and Regulations:
- http://www.dot.gov/odapc/rates.html
- http://www.aa.org
- http://www.na.org/
- http://store.samhsa.gov/home
- http://www.nida.nih.gov/nidahome.html