EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673141 18O3-Cyanuric acid, 10mg Price on request DF-123467-S 1,2,3,4,6,7-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request S-4371-100-5AC EPA 528 rev. 1.0 Sample Fortification Solution 2 100µg/mL in acetone; unit: 1x5mL 2396.8 2,4-Dimethylphenol-3,5,6-d3 [93951-75-8] Price on request