EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended 675870 Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request ALR-137N Monoethyl phthalate (mEP), 100mg Price on request 680513 Neo Spiramycin I, 100 µg/ml, Methanol, 1ml Price on request