EPA Method 8240A VOC Mixes

Sodium 1H,1H,2H,2H-perfluorododecane sulfonate (10:2), 50µg/ml in MeOH, 1,2ml

EPA Method 504 - EDB & DBCP

trans-Heptachlor-epoxide (Isomer A), 10µg/ml in CY, 10ml