EPA Method 531.2 - Analytes

2-Phenylbenzoxazole, neat, Solvent-neat, Unit 10MG, # of units-23, Cas.no. 833-50-1

Mono-n-octyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml

1,2,3-Trichloro-4-nitrobenzene