Section 5 Deal with testing samples5.1 electroplated parts5.1.1 clean the surface of testing samples by propanol or 75% alcohol5.2 Organic Coated finishes5.2.1 Clean the surface of testing samples by pure water.5.2.2 Dry by soft cloth.5.3 Mark the blemishes you found within clean processSection 6 Deal with the water6.1 Need to meet the ASTM D1193 standard for the conductive standard-less than 5.0.Electrical conductiveMax. µS/cm at 298K (25°C) 0.2 MΩ*cmPH at 298K (25°C) PH5.0 to 8.0