EPA Method 508 Standard

2-Octanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 111-13-7

2,2',3,4',5,5'-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

3-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1455-18-1