EPA Method 549.1 Analytes Back Catalog number: 31079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679466 alpha-Endosulfan, 100 µg/ml, Methanol, 1ml Price on request 9194.17-K-ME Omeprazole-d3 (benzimidazole-4,6,7-d3),1000 µg/mL,MeOH,1mL Price on request DF-267-S 2,6,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request