Single-Component

508.1 Internal Standard (Pentachloronitrobenzene), 100 µg/mL, Ethyl Acetate, 1 mL/ampul

Single-Component

515 Herbicide Internal Standard (4,4′-Dibromooctafluorobiphenyl), 250 µg/mL, Hexane, 1 mL/ampul

Single-Component

515 Herbicide Surrogate (2,4-Dichlorophenyl acetic acid methyl ester (DCAA Methyl Ester)) Derivatized Form, 200 µg/mL, Hexane, 1 mL/ampul