PCB No. 167, 100µg/ml in Isooctane, 1ml

Benzo[b]naphtho[1,2-d]thiophene, 10mg

Anions Mix

2-Ethylhexyl-d17 2,3,4,5-tetrabromo[13C6]benzoate, 1.2ml x 50ug/ml, toluene