Positive (10mL) and Negative (10mL) Control 2X cut-off, includes MDMA, OXY, and BUP

Each bottle contains stabilized human based urine. Positive control urines have been spiked with authentic reference drug standards and/or appropriate metabo­lites. Negative control urines are certified negative by combination of immunoassay, GC/MS and/or LC/MS for the constituents listed on our target sheets.