Tuning Solution- Method 200.7 section 7.7

MCPB, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 94-81-5

ICP-AES CRI, Soil Matrix, in 5% HNO3, 100ml

12.880 µS/cm conductivity solution (box of 25x20mL sachet)