Computer · Environmental Engineering
IS 10500:2012 के अनुसार, वैकल्पिक स्रोत की अनुपस्थिति में पीने के पानी में सल्फेट (SO 4 2- के रूप में) सांद्रता की अधिकतम स्वीकार्य सीमा क्या है?
- 1400 mg/l✓
- 2100 mg/l
- 3600 mg/l
- 41000 mg/l
सही उत्तर देखें
400 mg/l
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