Confidential Drug Testing has been serving the El Paso community and surrounding areas since 1994. CDT is a member of the Drug Testing and alcohol Testing Association as well as the Better Business Bureau. Owner, Ricardo Argüelles, is a small business advocate and believes that small business owners are the backbone of any community. Confidential Drug Testing has a staff trained in substance abuse management and has developed a complete range of services that will address your program needs. All services provided by the CDT will be in accordance with all state and federal requirements governing drug and alcohol abuse testing. Hours of operation are flexible-CDT is available 24/7.