EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677540 N-Ethylthiourea, 100mg Price on request 90289 Methylnaphthalene Standard Price on request 8610.3-K-ME 2,3-Dichloro-1-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 616-23-9 Price on request