EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9101 Endosulfan II Price on request 81401 Azinphos methyl Price on request WM48-CVS Calibration Kit for WHO & Marker PCBs; EN 1948-4:2010, 6 x 500ul, nonane Price on request