EPA Method 8141 Standard Back Catalog number: 92353 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C987890 1,3-Cyclohexanedione, 5g Price on request 79887 Ethyleneimine Price on request DF-1467-S 1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request