Nitrite (NO2-) as N

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

C21 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-61-9 / 98774-59-5

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