Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

Lidocaine,1000 µg/mL,MeOH,1mL,

Method 504.1MDL Mix