Hydroxy alpha sanshool, 100 µg/ml, Acetonitrile,

2,4',5-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Alcohol-Glycol Standard, 4000µg/ml in Water, 1ml

7,8-Dibromo-1,2,3,4,11,11-hexachloro1,4,4a,5,6,7,8,9,10,10a-decahydro-1,4-methanobenzocyclooctane,50 µg/mL ,toluene,1mL,