Terbuthylazine-2-hydroxy, 10 ng/µl, 10ml

Internal & Surrogate Standard 8260B

Isoproturon-d3 (N-methyl-d3), 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 352438-80-3

EPA 528 rev. 1.0 Sample Fortification Solution 1 100µg/mL in methanol; unit: 1x5mL 2420.6 2-Chlorophenol-3,4,5,6-d4 [93951-73-6]