Phosphonic acid, 250mg

1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

Arochlor 1248 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 12672-29-6

2-Butanone, certified, 1ml