EPA Method 550 Analytes

[bc,ef,hi,kl,no,qr]-Hexabenzocoronene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 190-24-9

2-Fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124330-20-7

Extraction Solvent Stock Solution, in Hexane, 5ml