EPA Method 507 Nitrogen Phosphorus Pesticide Back Catalog number: 31882 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4002-K-IOX10 Surfactants Mixture 1 7 Analytes, each 1000µg/mL in isooctane; units: 1x1mL, 10x1mL, 1x10mL 1225.12 Diethyl phthalate DEP [84-66-2] 1228.22 Bis(2-ethylhexyl) adipate BEHA [103-23-1] 1223.24 Di-n-octyl phtha Price on request 3103.12-50-IO 2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4 Price on request 10517.10-10MG Isochloridazon Price on request