Internal & Surrogate Standard 8260B Back Catalog number: 97179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71895 2-Methylcatechol Price on request 673591 Fenpropathrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 678458 Piperonyl butoxide, 100 µg/ml, Acetonitrile, 5ml Price on request