EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA12143000AL Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml Price on request 679225 Tris(p-tert-butylphenyl) phosphate, 10mg Price on request 680039 Diclofenac carboxylic acid, 5mg Price on request