Liquichek Urine Toxicology Confirmatory Controls

Human urine control containing drugs of abuse or their metabolites at very low levels for monitoring confirmatory test methods with 300 ng/mL Opiate cutoff

Human urine controls containing drugs of abuse or their metabolites at concentrations 20–25% above or below confirmatory cutoff levels with 300 ng/mL Opiate cutoff

Human urine controls containing drugs of abuse or their metabolites at concentrations 20–25% above or below confirmatory cutoff levels with 2000 ng/mL Opiate cutoff

Human urine control containing drugs of abuse or their metabolites at elevated levels for monitoring confirmatory test methods with 2000 ng/mL Opiate cutoff