EPA 1620 Standard 4 Back Catalog number: 52142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2107.7-100-CY Dichlobenil Price on request 10618.14-100-AN Metazachlor ethane sulfonic acid, 100µg/ml in Acetonitrile, 1ml Price on request 71287 1,2-Dimethylnaphthalene Price on request