EPA Method 8270A Analytes

1,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-41-1

Isoproturon, 10µg/mL in Acetonitrile, 10ml

Bis(2,3-dibromopropyl)phosphate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5412-25-9