The concentration of Total Dissolved Solids (TDS) in drinking water should not exceed
A. 500 mg/L
B. 400 mg/L
C. 300 mg/L
D. 200 mg/L
Answer:A
The concentration of Total Dissolved Solids (TDS) in drinking water should not exceed
A. 500 mg/L B. 400 mg/L C. 300 mg/L D. 200 mg/L