Sulfadimethoxine, certified, 0.25g

Hexabromobenzene, 250mg

NPD Cocktail 1 20 Analytes, each concentration as listed in isooctane; units: 1x1mL Chiron No. Name CAS No. mg/mL in isooctane: 0712.11 1-Methylnaphthalene [90-12-0]

2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)