D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml

Nitrite (NO2-) as N, 100µg/ml in Water, 100ml

2',3,4,5,6'-Pentachlorobiphenyl

2,3,3',4,4',5',6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, toluene