6.44 ppt TDS solution (box of 25x20mL sachet)

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

n-Tridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-50-5

2-Methoxy-2',3',5,5',6'-pentachlorobiphenyl, 100µg/ml in IO, 1ml