Possession Amounts and Limited Immunity

The Missouri Good Samaritan Law, provides a limited immunity that only applies to a person possessing the following amounts:

(1) Less than three grams of a substance containing heroin;

(2) Less than three grams of a substance containing cocaine;

(3) Less than three grams of a substance containing morphine;

(4) Less than forty grams of a substance containing peyote;

(5) Less than forty grams of a substance containing a derivative of barbituric acid or any of the salts of a derivative of barbituric acid;

(6) Less than forty grams of a substance containing amphetamine or any salt of an optical isomer of amphetamine;

(7) Less than three grams of a substance containing lysergic acid diethylamide (LSD), or an analog thereof;

(8) Less than six grams of a substance containing pentazocine or any of the salts, isomers, and salts of isomers of pentazocine, or an analog thereof;

(9) Less than six grams of a substance containing methaqualone or any of the salts, isomers, and salts of isomers of methaqualone;

(10) Less than six grams of a substance containing phencyclidine (PCP) or any of the salts, isomers, and salts of isomers of phencyclidine (PCP);

(11) Less than six grams of a substance containing ketamine or any of the salts, isomers, and salts of isomers of ketamine;

(12) Less than forty grams of a substance containing a substance classified as a narcotic drug in Schedule I or II, or an analog thereof, which is not otherwise included in this subsection; or

(13) Less than forty grams of an imitation controlled substance.