Soil Conductance [0.5-1.5mS/cm] Back Catalog number: 55200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83509 EPA Method 8315 Calibration Mix #1 Price on request 3621.10-50-IO 2,7-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2198-77-8 Price on request 3434.12-100-CY MCPB-methyl ester Price on request