WP Amp 1 Trace Elements - Cal Check

1,413 µS/cm conductivity solution (230mL)

2-n-Butylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4265-27-4

Ethiofencarb, 10.0 µg/ml, Acetonitrile, 10ml