Toluene, 1000µg/ml in MeOH, 1ml

Sulfur in #2 Diesel Fuel - 0.010 Wt%

2,2',3,4,4',5,5'-Heptabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

3,5-Dichlorosalicylic acid, 1000mg