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| सूची-$I$ | सूची-$II$ |
|---|---|
| $(A)$ $< 1 \ ppm$ | $(i)$ हड्डियों के लिए हानिकारक |
| $(B)$ $> 2 \ ppm$ | $(ii)$ दांतों का क्षय |
| $(C)$ $> 10 \ ppm$ | $(iii)$ दांतों का भूरा होना |
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