EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFOS-001S Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Price on request 79489 Vinyl chloride, 1000µg/ml in Toluene, 1ml Price on request 684086 Bromoacetic acid, 100 µg/ml, Acetonitrile, 1ml Price on request