EPA Method 548.1 Internal Standard

Arochlor 1254, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1

Pentaethylene glycol mono(p-nonylphenyl) ether isomer mix, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

Acetone, 2000µg/mL, Solvent-9:1Methanol/water or Methanol, Unit 1mL, # of units-1, Cas.no. 67-64-1