2,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679458 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-537PDSL-R1 EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol Price on request P-343S Atrazine desethyl, 100µg/mL in MeOH, 1ml Price on request 82503 EPA Method 8250/8250A - Analytes Mix #11 Price on request