Herbicide Calibration Check - WS

Endrin, 100 µg/ml, Toluene, 5ml

2,2',4,4',5-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-01-1

2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,