Evidence Transportation

Transporting LEO Evidence

Biological evidence transport can be a challenge. These types of evidence must often be kept for decades, so it’s essential to establish and maintain proper preservation conditions to preserve the integrity of evidence over time, especially when transporting.
TCP’s Transport Totes have significant advantages compared to consumer-grade coolers and cases readily available on today’s market.
Our cases are capable of addressing three primary concerns when transporting temperature-sensitive evidence.

Chain of Custody

Consumer-grade coolers can be difficult to lock down, meaning the integrity of evidence can be questioned at trial.

Temperature Variations

Temperature fluctuations and freeze-thaw sequences cause biological evidence to degrade; especially during long transport times.


If not separated by physical barriers, evidence from one container could contaminate another.

Why choose TCP?

TCP is run by a group of doctors who have decades of experience in the medical field. Our products are used to move hundreds of thousands of temperature-sensitive medical specimens annually throughout the United States..
We are dedicated to manufacturing high-quality medical devices with input from Doctors, Nurses, EMTs, and Paramedics in the field at a competitive price.
Contact us today for more information and determine how TCP can help you maintain the chain of custody of evidence while ensuring the proper temperature is achieved

LEO Evidence Transport Solutions

LEO Transport Totes

Our lightweight insulated Totes are capable of transporting at Frozen temperature for biological evidence at -21 centigrade for many hours When used the proper PCM.
The same transport “system” by changing the PCM to TCP’s PC0 (0 centigrade) can maintain the refrigerated temperature.
Note: Guidance on additional biological evidence types and full citations can be found in the full-text version of
The Biological Evidence Preservation Handbook ( http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913699 ).

Short-Term Storage: Storage of evidence from the time collected to
reception by property room personnel. The Working Group recommends
that temporary or short-term storage refers to any location that can hold
evidence for up to 72 hours.

Long-Term Storage: A location that is designated to secure evidence
or property items in the custody of an agency until the items are diverted,
sold, released, or destroyed.
The Working Group recommends that long-term storage refers to any location where evidence may be stored for more than 72 hours

Temperature Controlled: A storage condition in which temperature is
maintained thermostatically between 15.5°C and 24°C (60°F and 75°F) with
less than 60% humidity.

Frozen: A storage condition in which the temperature is maintained
thermostatically at or below –10°C (14°F).

Refrigerated: A storage condition in which the temperature is
maintained thermostatically between 2° C and 8° C (36° F and 46° F) with less than 25% humidity.

Room Temperature: A storage condition in which the temperature is
equal to the ambient temperature of its surroundings; storage area may lack
temperature and humidity control methods.
TCP’s Phase Change Materials (PCMs) are equipped to store and release large amounts of energy — maintaining a temperature within a specific range. PCMs can reliably maintain 0-degree Centigrade (refrigerated), -7-degree Centigrade (frozen), -16- degree Centigrade (frozen), and 21-degree Centigrade (ultra-cold) temperatures depending on the application.
Thermal Custom Packaging Totes are currently being used to store and transport the mRNA COVID vaccine at -21 degrees Centigrade with its proprietary PC-21 solution.
TCP’s proprietary PCMs will precisely maintain the required payload temperature and when stored in our insulated reusable totes (available in three sizes), it can safely transport biological evidence at the correct parameters for many hours.

Replace Dry Ice with Our Non-Toxic PCMs

The PC-21 is considered a safe, non-toxic alternative to dry ice.
Public health departments and anticipate a spike in incidents involving the transport of dry ice, as the material presents a significant fire hazard.
Dye ice, when stored in a closed environment can cause severe burns, explosions, and death from CO2 gas exposure. From the distribution point out into the field, the PC-21 offers a complete solution for transporting frozen biological evidence.
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