Di-n-butyl-carbonate,neat,neat,5g,

4 Deuterated Compounds Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 16.7 Naphthalene-d8 8.8 Ethylbenzene-d10 16.5 Toluene

ISO 15680 Stock Calibration Standard Solution 2 13 Analytes to be used with Internal standard S2, each 2000µg/mL in methanol; unit: 1x5mL 1352.1 Tetrachloromethane [56-23-5] 3952.3 1,1-Dichloropropane [563-58-6] 1300.6 Benzene [71-43-2] 1355.2 1,2-D

2,4-Dimethylphenol-PFB derivative