EPA Method 8060 QC Check Solution

2,4-D,1000 µg/mL,MeOH,1mL,

pH 7.01 buffer solution (box of 25x20mL sachet)

n-Undecane-d24, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 164858-54-2