CLP Calibration Std. II Back Catalog number: 53150 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-537SS-R1 EPA Method 537 Surrogate Primary Dilution Standard (SUR PDS), 1.2ml, methanol Price on request 679889 2-Methoxy-5-methylaniline, 100 µg/ml, Acetonitril Price on request 677984 Phosalone, 100 µg/ml, Toluene, 1ml Price on request