EPA Method 504.1 - 524.2 Analytes Back Catalog number: 96656 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677187 Cybutryne, 100mg Price on request DF-IS-I200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 1941.6-1MLX10 N-Methyl-N-(trimethylsilyl)trifluoroacetamide,neat,neat,1mL, Price on request