Collaborative Testing Services, Inc. 
P.O. Box 650820, Sterling, VA, USA 20165-0820 1-571-434-1925
Impression evidence includes any markings produced when one object comes into contact with another object, such as fingerprints, shoeprints, and tire treads. CTS is the leading provider of Latent Print and Impressions proficiency tests. Whether an examiner processes, compares or identifies known and unknown markings, CTS offers a high-quality and relevant test to meet the examiner's needs and measure proficiency. Unique among providers, CTS allows participants to choose the test format that best meets their needs.
| 5161/5165 Latent Print Examination | ships | January |
| 5331/5335 Footwear Imprint Evidence | ships | April |
| 5141 Tenprint Examination | releases | May |
| 5190 Latent Print Processing - Varied Surfaces | ships | June |
| 5351/5355 Tire Track Imprint Evidence | ships | July |
| 5171/5175 Latent Print Examination | ships | August |
| 5193 Latent Print Processing - Nonporous Surfaces | ships | August |
| 5191 Latent Print Processing - Varied Surfaces | ships | October |
Manufacturer's Information reports for all Latent Prints & Impressions tests can be found on the CTS Customer Portal.
