Ofloxacin,100 µg/mL,MeOH,1mL,

Ethofumesate-2-keto, 10.0 µg/ml, Cyclohexane, 1m

EPA Method 8040A - Analytes Mix “A”, 2000µg/mL in 2-propanol, 1ml

4,4'-Dichlorobenzophenone,100 µg/mL,MeOH,1mL,