EPA Method 8330 Analyte Back Catalog number: 79241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11175.7-100-ME Theobromine-d3 (1-methyl-d3),100 µg/mL,MeOH,1mL Price on request 30068 Internal standard 2, 2000g/ml in MeOH, 1ml Price on request 680532 Fenvalerate free acid Metabolite, 100mg Price on request