1,2,4,7,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Recovery Standard Solution, 1.2ml, isooctane

2-Nitrophenol, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 88-75-5

Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 109278-09-3