EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674440 DMST, 50mg Price on request 673215 Butocarboxim-sulfoxide, 100 µg/ml, Acetonitrile, Price on request 54242 Alkalinity as Calcium Carbonate Price on request