SUBSTANCE	IMMUNOASSAY SCREEN	GC/MS CONFIRMATION
CANNABINNOIDS (Marijuana)	50 ng/ml	15 ng/ml
COCAINE	150 ng/ml	100 ng/ml
AMPHETAMINES	500 ng/ml
Amphetamine		250 ng/ml
MDMA	500 ng/ml	250 ng/ml
Methamphetamine		250 “Met.”PLUS 200 “Amp.”
OPIATES
“screen” (class assay)	2,000 ng/ml
“Morphine”		2,000 ng/ml
“Codeine”		2,000 ng/ml
“Heroin” [6-MAM]	10 ng/ml	10 ng/ml
“Poppy seeds”		Formula = M/C < 2 = Codeine Use
PCP	25 ng/ml	25 ng/ml
BARBITURATES	300 ng/ml	300 ng/ml
BENZODIAZEPINES	300 ng/ml	300 ng/ml
METHADONE	300 ng/ml	300 ng/ml
METHAQUALONE	300 ng/ml	300 ng/ml
PROPOXYPHENE	300 ng/ml	300 ng/ml