Soil Conductance [0.5-1.5mS/cm] Back Catalog number: 55200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82449 EPA Method 1666 Standard #1 Price on request 58057 Lanthanum (La) Price on request 1011.4-1G 1,3-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-23-7 Price on request