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Journal of Environmental and Public Health
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2019
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Article
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Tab 3
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Research Article
Quality of Drinking Water from Springs in Palestine: West Bank as a Case Study
Table 3
Water quality classification for various ranges of hardness [
19
].
Total hardness in mg/L
Degree of hardness
0–75
Soft
75–150
Moderately hard
150–300
Hard
>300
Very hard