{HEAD ~ A method} 10 wherein {TAIL ~ the corrosion inhibitor} has an EC50 for Skeletonema costatum greater than 1 ppm by weight 
wherein
{ HEAD ~ A method } 10 wherein { TAIL ~ the corrosion inhibitor } has an EC50 for Skeletonema costatum greater than 1 ppm by weight
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH