Difloxacin hydrochloride, 100 µg/ml, Methanol, 1

EPA Method 502/524 High Conc VOC Mix #2

Triethylene glycol mono(p-n-nonylphenyl) ether, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 51437-95-7

5-Nitroacenaphthene, 100µg/mL, Solvent-toluene, Unit 1ml, # of units-1, Cas.no. 602-87-9