Multi-Element Solution 1

QC Standard 2

2,2',3,4,4',5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-69-1

Demeton-S-methyl-sulfone, 100 µg/ml, Acetonitrile