Home › Forums › Coking › Operations › Cutting, Drilling, Unheading › Drilling › Drilling Water & Cooling › Quality of Coke cutting water and make up water This topic contains 0 replies, has 1 voice, and was last updated by Jeff Pollard 9 years, 8 months ago. Author Posts August 30, 2011 at 5:29 pm #2147 Jeff PollardParticipant What are the quality / Specification for Coke cutting water and make up water being seen at your Coker? I have seen Chlorides as high as 1200 ppm wt, H2S as high as 150 ppm and NH3 as high as 90 ppm. What is best practice in controlling cutting water quality / Specification for Coke cutting? Author Posts You must be logged in to reply to this topic.