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