Ethanol standard in water,0.5g/L,water, 1.5mL

Dehydroepiandrosterone-16,16-d2 (DHEA-16,16-d2), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 67034-83-7

Atrazine-desisopropyl-2-hydroxy

EPA 1653 Chlorocathecols 7 Analytes, each 100µg/mL in methanol; unit: 1x1mL 4-Chlorocatechol [2138-22-9] 3,4-Dichlorocatechol 3,6-Dichlorocatechol 4,5-Dichlorocatechol [3428-24-8] 3,4,5-Trichlorocatechol 3,4,6-Trichlorocatechol Tetrachlorocatechol [