EPA Method 8260B Internal Standard

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

4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1

Dimethyltrisulfide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3658-80-8