NWTPH-Gx Surrogate Mix Back Catalog number: 51139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3471.13-100-CY Pendimethalin Price on request 93813 4,4’-Dichlorobiphenyl Price on request 673414 Pirimicarb-desmethyl, 10.0 µg/ml, Acetonitrile, Price on request