Biological Testing Options for Detection of Substances

Test Type	Test Description
Urine [Laboratory]	​Urine sample provided following Chain of Custody Collection Procedures.  Confirmation through GC/LC /MS
Urine [Point of Care]	​Urine sample provided following Chain of Custody Collection Procedures.  ​Samples tested on site  Samples which are sent to lab are confirmed through GC/LC /MS
Hair	​​Hair sample taken following Chain of Custody Collection Procedures
Oral Fluid	​​Oral swab sample taken following Chain of Custody Collection Procedures.
PEth [Phosphatidylethanol]	​​A blood test (finger prick) used to measure the level of PEth, which is a specific direct alcohol biomarker.
Soberlink	​​Handheld breathalyzer device detects breath alcohol concentration.

There are benefits and limitations to different types of tests so tests appropriate to your circumstances can be chosen.