Toxicology Examinations Toxicology examinations can disclose the presence of drugs or poisons in biological specimens. Because of the large number of potentially toxic substances, it may be necessary to screen for classes of poisons.
Chemist analyzes blood for drugs and poisons.
Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence . Each biological specimen must be placed in separate, labeled, sealed glass tubes, plastic cups, or heat-sealed or resealable plastic bags. To view hazardous materials labels, click here . To avoid deterioration, biological specimens must be refrigerated or frozen during storage and shipping. Pack so that no breakage, leakage, or contamination occurs.