BTEX Standard

2,5-Diphenyl-1,6,6a-trithiapentalene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 103-90-5

SAE40Motor Oil as TPH in Water

Fipronil sulfone, 1000µg/ml in Acetonitrile, 1ml