EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70856 Thidiazuron Price on request R1392-1EA FR1392 ASTM D6584 IndivStandard K1,00SK Price on request 66129 2,2’,3,3’,4,5-Hexachlorobiphenyl (129) Price on request