trans-4'-(3,4-Difluorophenyl)bicyclohexyl-4-one, >98%, 1g

2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2

EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml

EPA Method 8270C Pesticide Mix #25