EPA Method 8270C Pesticide Mix #20

1,4-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 100900-16-1

2-Chloro-4-tert-butylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 98-28-2

4-Hydroxysulfadiazine,100 µg/mL,MeOH,1mL,