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Latent Prints

In forensics, latent fingerprints are marks left at the scene of a crime which may not be immediately visible to the naked eye. To expose latent fingerprints, technicians use fingerprint powder, fuming, and other techniques. Identifying latent fingerprints is an important part of evidence collection, and many technicians specialize in retrieving fingerprints from crime scenes and analyzing them in a lab in order to assist law enforcement with apprehending criminals.

Gaseous pollutants are a lot like latent fingerprints. Identifying odors from chemicals can be difficult. Often an odor or harmful chemical gas becomes airborne in an office, building, school or industrial facility and the immediate source is unknown or cannot be identified simply by smell. In these cases it is very important to be able to identify the chemical compound so anyone exposed can be properly treated and to ensure that any materials or other chemical suppressants used will not exacerbate the problem.

In order to properly identify the chemical culprit various testing devices are used. A trace gas analyzer is often employed as it can detect trace amounts (ppm & ppb) of up to 125 different gases. Other methods can also be employed. In any case, once the gaseous pollutant has been identified the next steps are to remove the source and remove the airborne gaseous pollutant.

D Mark, Inc. has been manufacturing granular activated carbon products for over 40 years. They have the experience and technical understanding to provide the correct type and amount of adsorptive media to effectively remove and or significantly reduce the airborne gaseous pollutant. For this reason D Mark® is often the first company that is contacted once the gas or odor has been identified.

D Mark makes a wide range of carbon based products using their OdorGuard® and CarbonWeb® patented processes. They offer products that are not only used in the commercial, industrial and institutional markets but also a wide range of products for the residential market. And D Mark has made it easy for all their customers to find the best carbon product for their specific problem.

D Mark’s website has their complete catalog in PDF format, indexed and easy to locate the products you need. Many of their residential products are available for purchase on-line. In addition to their online presence, D Mark’s highly trained and knowledgeable staff can assist you in selecting the best granular activated carbon products to meet your needs.

For more information please go to our website at: or call us on our toll-free number at: 800-343-3610.
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