3-tert-Butylphenyl diphenyl phosphate, 1.2ml x 50ug/ml, toluene

2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Atrazine-desethyl-desisopropyl, 50µg/mL in MeOH, 1ml

2,2',3,3',4,4',5,5',6-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene