n-Hexadecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 544-76-3

Initial Check Verif. Standard 4, in 4%HNO3, 100ml

Pendimethalin-d5 [N-(1-ethyl-1',1'-d2; propyl-1,2,2-d3)], 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-39-0

2,3,4,6-Tetrachlorophenol, 100 µg/ml, Methanol,