As a result of compliance with accreditation standards, there are certain requirements of communication and policies regarding case acceptance that must be upheld by the DPS Crime Laboratory Service. The Physical Evidence Handbook (PDF) outlines specific parameters and limitations regarding the submission of evidence (PDF) to a DPS crime laboratory.
Submission of evidence to DPS crime labs for forensic testing regarding drugs, blood alcohol, DNA, trace evidence, firearms, and toolmarks is based on the geographic area and the county of offense. Click the following links to view a map showing what areas are covered by each lab:
The DPS Crime Laboratory Service does not perform external calibration services. The specific evidence sections of the Physical Evidence Handbook (PDF) outlines specific details and limitations regarding the testing offered by Texas DPS.
Lab Submission Form (LAB-06) XLS | DOC | PDF
Toxicology/Blood Alcohol Kit Laboratory Submission Form (LAB-12) DOC
Blood Kit Instructions (LAB-12B) PDF
Urine Kit Instructions (LAB-12U) DOC
Gunshot Residue Information Form (LAB-17) DOC | PDF
Instructions for Collecting Gunshot Residue Kit (LAB-17A) PDF