Computer · Environmental Engineering
IS 10500 : 2012 के अनुसार, वैकल्पिक स्रोत की अनुपस्थिति में पीने के पानी में मौजूद सल्फेट सामग्री (SO42- के रूप में) की स्वीकार्य सीमा (permissible limit) क्या है?
- 1200 mg/l
- 2400 mg/l✓
- 3600 mg/l
- 4500 mg/l
सही उत्तर देखें
400 mg/l
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