EPA Method 8260B - Purgeable Internal Std

9,10-Dinitroanthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33685-60-8

Caffeic acid, 100mg

1-Chlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane