EPA Method 508 Pesticide Standard

(S)-(-)-3-Chloro-1,2-propandiol acetonoide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 60456-22-6

PCB No. 156, 10µg/ml in Isooctane, 10ml

4-tert-Octylphenol,1000 µg/mL,MeOH,1mL,