PCB No. 29, 100µg/ml in Isooctane, 1ml

1,413 µS/cm conductivity solution (box of 25x20mL sachet)

Benzoestrol, 10mg

BTEX Mixture 3 S-4219-2K-5ME 7 Analytes, each 2000 µg/mL in methanol; units:1x1 mL, 1x5mL 1300.6 Benzene [71-43-2] 1267.8 o-Xylene [95-47-6] 1264.7 Toluene [108-88-2] 1266.8m-Xylene [108-38-3] 1268.8