Glutaric acid-dimethyl ester, certified, 0.25g

Surrogate ISTD - PAH 3 Analytes each 500µg/mL in xylene; unit: 1x1mL 0978.10 d8-Naphthalene [0978.10] 0389.14 d10-Phenanthrene [0389.14] 1024.18 d12-Chrysene [1024.18]

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml

C20Triaromatic sterane/C26Triaromatic sterane C20 Triaromatic sterane (0857,20)/ C26 Triaromatic sterane (0854,26) = 1:3 (0,33) 50 + 150 µg/mL in isooctane, 1mL pr. vial