Review of historical plumbing codes for lead service line inventories in the United States [0.03%]
美国历史上关于铅管存档的给水排水规范回顾研究
Christina Devine,Luis Garcia-Bakarich,William Platten et al.
Christina Devine et al.
Inventorying and replacing lead service lines (LSLs) is a national priority in the United States (US), with records review conducted as a first step. Among other records, historical plumbing codes can provide cutoff dates for LSL allowance ...
Temperature impact on monochloramine, free ammonia, and free chlorine indophenol methods [0.03%]
温度对一氯胺、游离氨及游离氯的吲哚法的影响
Thomas E Waters,Matthew T Alexander,David G Wahman
Thomas E Waters
A commercial colorimetric indophenol (IP) method is used for determining monochloramine (NH2Cl) concentrations for process control in chloraminated public water systems and chloramine-related research. The NH2Cl - IP method excludes some qu...