EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678034 Tri-n-pentyltin chloride, 100mg Price on request 98637 Acetonitrile Price on request 673780 DEET, 10.0 µg/ml, Ethyl acetate, 10ml Price on request