EPA Method 508 - Performance Check Solution

1,2,4,8-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

Trinexapac-ethyl, 100µg/ml in MeOH, 1ml

2,2',4,4',5-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-01-1