EPA Method 8330 Analyte

4-Ethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 123-07-9

Prometryn, 10.0 µg/ml, Acetonitrile, 10ml

C21 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-61-9 / 98774-59-5