MCPP acid, 2.0mg/mL in MeOH, 1ml

(-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml

EPA Method 8040A - Analytes Mix “B”, 2000µg/mL in 2-propanol, 1ml

5-Methyluridine, 100mg