EPA Method 609 - Analytes Back Catalog number: 40014 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677640 2-n-Octyl-4-isothiazolin-3-one, 100mg Price on request 71209 Methanol, 1000µg/ml in Water, 1ml Price on request 54141 Ferrous Iron (Fe) Price on request