Monoisononyl phthalate, 100µg/mL in MTBE, 1,2ml

N-Desmethyl-cis-tramadol HCl, 1000μg/ml in MeOH, 1ml

1,2,3,4,6,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,