Hexachlorobenzene, 1.2mL x 100ug/mL, nonane

13C3-Caffeine, 100 µg/ml, Methanol, 1ml

2,2’,3,3’,4,4’,5,5’,6-Nonachlorobiphenyl (206)

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 25ml