delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml,

Phthalic acid, butyloctyl ester, certified, 0.25g

1,2-Dinitrobenzene, 250mg

EPA O-FID Quantitative Calibration Mixes (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x10mL one of each Std. Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5