Benzalkonium chloride, 100µg/ml in AL, 5ml

5-Chloro-2-(2,4-dichlorophenoxy)phenol , 1.2ml x 50ug/ml, methanol

1-/3-Nitrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 70021-99-7/70021-98-6

1-Nitrotriphenylene-d11, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.