EPA Method 551.1 Performance Check Soln

Ethylene glycol

2,9-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17980-09-5

2,2',4,4',5-Pentabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60348-60-9