EPA Method 507 - Performance Check Solution Back Catalog number: 19137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66115 2,3,4,4’,6-Pentachlorobiphenyl Price on request 673789 Dimoxystrobin, 100µg/ml, Ethyl acetate, 5ml Price on request 11792.23-100MG Basic green 4, chloride,neat,neat,100mg, Price on request