EPA Method 8141 Standard Rev 1 Back Catalog number: 98131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673192 Aldicarb-sulfoxide, 10.0 µg/ml, Acetonitrile, 10 Price on request 677388 2,2,4-Trimethyl-1,2,3,4-tetrahydroquinoline hydroc Price on request 59010 Anions Mix 2, varied µg/ml in Water, 100ml Price on request