Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml

n-Alkanes C10-C36Mix Compound Prod.no. Batch no. Purity CAS no. Grav. conc. n-Decane 1875,10 3368 99.9 % 124-18-5 2000ug/ml n-Dodecane 1132,12 2194 99.3 % 112-40-3 2000ug/ml n-Hexadecane 1136,16 2200 99.0 % 544-76-3 2000ug/ml n-Eicosane 1140,20 2201

Daily Quality Control Standard (with 3 Fluorinated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene

PCB No. 21, 100µg/ml in Isooctane, 1ml