EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677877 4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml Price on request FHPPA 3-Perfluoroheptyl propanoic acid (7:3), 1.2ml x 50ug/ml, methanol Price on request 679766 Profoxydim lithium salt, 100mg Price on request