EPA Method 507 Analyte Mix #1

C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98819-92-2 / 98819-91-1

Technical Ammonium Perfluorooctanoate, 1.2ml x 50ug/ml, methanol

1,1,1,3-Tetrachlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 67095-50-5