CLP - Pesticide Surrogate Spike Solution Back Catalog number: 22023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50110H TOC Calibration Standard - ICV 2nd Source Price on request 57774 Tungsten (W) Price on request 9056.6-K-IP Tetrachlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1198-55-6 Price on request