CLP - Pesticide Surrogate Spike Solution Back Catalog number: 21023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40057 EPA Method 642 - Analytes Price on request 679928 o-Xylene, 5ml Price on request M10080B 800 ppm TDS solution (box of 25x20mL sachet) Price on request