Types of Drug Tests 1.Urine drug screen

Types of Drug Tests 2.Hair drug screen

Types of Drug Tests 3.Blood drug screen

Types of Drug Tests 4.Saliva drug screen

Types of Drug Tests 5.Sweat drug screen

Detection Periods Summary SUBSTANCEURINEHAIRBLOODSALIVA Alcohol12-24 hrsn/a12 hours6-12 hours Amphetamine (except meth)2-3 days90 days12 hours3 days Barbiturates2-14 days90 days1-7 daysunknown Benzodiazepines1-5 days90 days6-48 hours2-3 days Cannabis (single use)2-3 days90 days2-3 days12-24 hrs Cannabis (habitual use)2-3 weeks90 days2 weeks12-24 hrs Cocaine4-5 days90 days1 day Codeine/Morphine2-4 days90 days6-12 hours12-36 hrs Heroin2-4 days90 days6 hoursunknown LSD2-24 hoursunknown0-3 hoursunknown Methamphetamine3-5 days90 days24 hours3 days PCP3-7 days90 days1-3 days3 days

Drug Testing Methodologies Tamper-evident seal Make the sample testable Screening test Confirmation test Test sensitivity SUBSTANCESCREENING TESTGC / MS Cannabis50 ng/mL15 ng/mL Cocaine300 ng/mL150 ng/mL Opiates2000 ng/mlL* Amphetamines1000 ng/mL500 ng/mL PCP25 ng/mL *raised from 300 ng/ml in 1998

Ibuprofen Decongestants Diet pills Antibiotics Others Legal drugs Poppy seeds? False Positives True Positives ibuprofen Selegiline levoamphetaminen

Breathalyzer Measurement of blood alcohol content ecotoxic_hexavalent_chromium_in_the_environment/i%20%20ndex_eng.html

"The Red Deer Advocate", Red Deer, Alberta, Canada

Forensics Identification of Unknown Compounds –Patient symptoms –Appearance of tablet/capsule –Microscopy –Organic chemistry Physical properties Functional groups Chromatography Spectroscopy

Forensics Ninhydrin Luminol