Bis(4-isopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml

Imidacloprid guanidine hydrochloride, 100 µg/ml,

TX TPH Calibration Standard (High End) Rev. 1.0