Dibromoacetic acid, certified, 0.25g

PIONA Mix 1 - Aromatics 37 Aromatics with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1300.6 Benzene 3.1 1268.8 Ethylbenzene

Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 %

Deuterated EPA PAH-mix, See S-solutions pricelist, Solvent-, Unit , # of units-, Cas.no.