PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

Tris(4-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Difenoxuron,100 µg/mL,MeOH,1mL,

4-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132034-86-7