Geospatial model of composition of water service lines in Flint, Michigan: Validation using excavation data and a new compositional geostatistical approach [0.03%]
密歇根州弗林特地区供水管道材质的空间异质性分布模型及其验证研究
Pierre Goovaerts
Pierre Goovaerts
Following the Flint drinking water crisis, a service line (SL) replacement program was implemented to replace lead SLs and galvanized SLs connecting residences to Flint's water system, leading to the excavation and inspection over a 5-year ...
Kelsey Hensley,Valerie Bosscher,Simoni Triantafyllidou et al.
Kelsey Hensley et al.
Lead service lines (LSLs) represent the greatest source of lead in drinking water. Identifying the locations of LSLs can be challenging, and recent service line (SL) material surveys in Michigan, Illinois, Wisconsin, and Indiana found that ...
Nitrogen-sparging assisted anoxic biological drinking water treatment system [0.03%]
氮气填充辅助厌氧生物型饮用水处理系统
Asher E Keithley,Peyton Woodruff,Daniel J Williams et al.
Asher E Keithley et al.
Existing heterotrophic denitrification reactors rely on microorganisms to consume dissolved oxygen (DO) and create conditions suitable for denitrification, but this practice leads to excessive microbial growth and increased organic carbon d...
Impact of phosphate addition on PFAS treatment performance for drinking water [0.03%]
磷酸盐添加对饮用水中PFAS处理效果的影响
Levi M Haupert,Adam Redding,J Margaret Gray et al.
Levi M Haupert et al.
Adding new unit operations to drinking water treatment systems requires consideration of not only efficacy for its design purpose but also costs, water quality characteristics, impact on overall regulatory compliance, and impact of other tr...
A literature review of bench top and pilot lead corrosion assessment studies [0.03%]
关于桌面和示范规模导线腐蚀评估研究的文献综述
Christina Devine,Simoni Triantafyllidou
Christina Devine
Bench top and pilot lead corrosion studies are gaining more interest, considering revisions and upcoming improvements to the Lead and Copper Rule. This literature review identified studies ranging from simpler month(s)-long bench top dump-a...
Jonathan B Burkhardt,John Mino,Feng Shang et al.
Jonathan B Burkhardt et al.
Modeling premise plumbing systems requires accurate treatment of fixture-specific pressure and flow rate relationships. Each fixture in a building may experience different flow rates based on variable service pressure, its unique pressure-f...
School and childcare center drinking water: Copper chemistry, health effects, occurrence, and remediation [0.03%]
学校和托儿所的饮用水：铜的化学性质、健康影响、分布及修复措施
Elizabeth Montagnino,Darren A Lytle,Joan Rose et al.
Elizabeth Montagnino et al.
The study goal was to better understand the risks of elevated copper levels at US schools and childcare centers. Copper health effects, chemistry, occurrence, and remediation actions were reviewed. Of the more than 98,000 schools and 500,00...
A holistic approach to lead pipe scale analysis: Importance, methodology, and limitations [0.03%]
整体铅管垢薄膜分析方法：重要性、研究方法及局限性
Stephen M Harmon,Jennifer Tully,Michael K DeSantis et al.
Stephen M Harmon et al.
With lead service lines (LSLs) remaining for decades to come, scale analyses are critical to helping limit lead exposure from drinking water. This laboratory has used an integrated suite of analytical techniques to characterize the elementa...
Managing and treating per- and polyfluoroalkyl substances (PFAS) in membrane concentrates [0.03%]
膜浓缩物中管理及处理含氟污染物(PFAS)的技术挑战与创新解决方案
Emily W Tow,Mahmut Selim Ersan,Soyoon Kum et al.
Emily W Tow et al.
Per- and polyfluoroalkyl substances (PFAS), which are present in many waters, have detrimental impacts on human health and the environment. Reverse osmosis (RO) and nanofiltration (NF) have shown excellent PFAS separation performance in wat...
Rapid and simple lead service line detection screening protocol using water sampling [0.03%]
一种快速简便的使用取样检测含铅服务线路的筛查方法
Michael R Schock,Darren A Lytle,Ryan R James et al.
Michael R Schock et al.
Many water systems are challenged with uncertainty regarding service line material type. This work investigated using a simple drinking water flushed sampling approach and a more complicated and invasive sequential profile sampling approach...