EPA Method 8240A Volatile Standard #1

Perfluoroheptane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

1,2,7,8-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-19-0

Thiacloprid, 100 µg/ml, Acetonitrile, 5ml