EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676397 2,4-Dichlorotoluene, 250mg Price on request 58021 Scandium (Sc) Price on request 679464 Atrazine, 100 µg/ml, Methanol, 1ml Price on request