PCB Congeners - Loamy Sand, 50g

2,4,6,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene

Methyl 7,10,13,16-docosatetraenoate (all-cis), 1000µg/mL in Isooctane, 1ml

1,2-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-72-9