Spiking Standard 5 Back Catalog number: 52071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95047 Method 8081/608 Pesticide Mix, in Ethylacetate, 1ml Price on request 71944 1,4-Dimethylnaphthalene Price on request 675913 1-(3,4-Dichlorophenyl)-3-methylurea, 100mg Price on request