Spirotetramat, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-n-[2,3,4-13C3]butanoic acid, 50µg/ml in MeOH, 1,2ml

Tris(4-isopropylphenyl) phosphate,50 µg/mL,toluene,1mL,

2,3,3',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,