Nitrite as NO2-

Linear Alkyl Benzene Sulfonate Standard solution, ISO, 10µg/ml, Solvent-water, Unit 50mL, # of units-5, Cas.no. 69669-44-9

Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 1000ng/ml, nonane

n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-99-2