EPA Method 642 - Analytes

Cleanup Standard Solution, 1.2ml, nonane

C29 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10 alpha(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205176-21-2 / 81943-51-3

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