EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml

Mesosulfuron-methyl, 10.0 µg/ml, Acetonitrile, 1

22,29,30-Trisnor-17 alpha(H)-hopan-21-one, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1172-78-7

1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2