EPA Method 525.2 Standard

2-[4-[(2RS)-3-Chloro-2-hydroxypropoxy]phenyl]acetamide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 115538-83-5

3-Chlorofluoranthene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 25911-51-7

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene