DOT Drug Testing Laboratory Services

This subcontract for DOT Drug Testing Laboratory Services involves the analysis and reporting of urine specimens for prime contractors working on Massachusetts Bay Transportation Authority drug testing projects. The selected provider will be responsible for determining a wide range of results, including negative, non-negative, confirmed positive, dilute negative, adulterated, substituted, invalid, and cancelled statuses, while performing necessary confirmation testing for all non-negative results. To qualify, the provider must operate a DOT-certified laboratory that strictly adheres to all DOT regulatory standards to ensure the delivery of certified laboratory test results. This opportunity is categorized under NAICS code 621511, with a response deadline set for December 8, 2026.