EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83558 o-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request 73623 1,1,3,3,5,5-Hexamethyltrisiloxane Price on request 92790 EPA Method 8081A Pesticide Standard B Price on request