CLP - Pesticide Surrogate Spike Solution Back Catalog number: 21023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71840 1,1,2-Trichloropropane Price on request S-4045-05-10ME Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request 55160 WP & DMRQA Low Level Chlorine Price on request