EPA Method 8141 Standard Rev 1 Back Catalog number: 98131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674640 Folpet, 250mg Price on request 679097 D4-Cyromazine, 100 µg/ml, Acetone, 1ml Price on request 9449.12-100-AN Endrin ketone Price on request