Naphthalene, 10µg/ml in Acetonitrile, 10ml

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml

PCB No. 104, 100µg/ml in Isooctane, 1ml

Norwegian Standard (NS 9815) 16 Analytes, each 100 µg/mL in toluene; unit: 1,10,50x1mL 0816.14 Phenanthrene [85-01-8] 1049.14 Anthracene [120-12-7] 0260.16 Fluoranthene [2