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Table 6 Membership calculation (condition 2)

From: Risk assessment methodology for iron stability under water quality factors based on fuzzy comprehensive evaluation

Water quality factorValueSlight risk (vslr)Small risk (vsmr)General risk (vger)Greater risk (vgrr)Significant risk (vsir)
Chloride1057 mg/L00001
Sulfate140.53 mg/L000.68940.31060
DOC33.31 mg/L00001
pH6.2500001