EPA Method 8040 - Surrogate Standard Mix

Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml

Bis(phenylthio)methane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3561-67-9

Triisobutyl Phosphate, 100mg