Fenthion-sulfoxide, 100 µg/ml, Toluene, 5ml

Trimethylnaphthalene Mixture 1 6 Analytes, each 500 µg/mL in isooctane; unit: 1x1mL 0700.13 1,2,3-Trimethylnaphthalene [879-12-9] 0701.13 1,2,4-Trimethylnaphthalene [2717-42-2] 0704.13 1,4,5-Trimethylnaphthalene [2131-41-1] 070

D8-Naphthalene, 2000 µg/ml, Acetonitrile, 1ml

Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,