EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73326 S-Metolachlor, 1000μg/mL in Acetone, 1ml Price on request 79614 1-Methylpyrene Price on request 79522 2-Nitrodiphenylamine Price on request