EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676609 1-Chloro-2,4-dinitrobenzene, 100 µg/ml, Methanol, Price on request S-4727-10K-ACX10 Custom Mix of Deuterated Phthalates, 10mg/ml in Acetone, 10 x 1ml Price on request 680960 Fipronil carboxamide, 10mg Price on request