D8-9,10-Anthraquinone, 100 µg/ml, Acetonitrile,

2,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

13-cis,16-cis-Docosadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17735-98-7

EPA Method 502.2 Surrogate Standard