Fluroxypyr-1-methylheptylester, 10 µg/ml, Ethyl a

1,2,3,6,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Tri-n-pentyl phosphate,1000 µg/mL,MeOH,1mL,

5-Methyl-1H-benzotriazole, 100mg