|
游离SiO2 含量(M) |
体力劳 动强度 |
粉尘的职业接触比值权重数（WB） |
||||||
|
<1 |
～2 |
～4 |
～6 |
～8 |
～16 |
>16 |
||
|
M<10 |
Ⅰ |
0 |
Ⅰ |
Ⅰ |
Ⅰ |
Ⅱ |
Ⅱ |
Ⅲ |
|
Ⅱ |
0 |
Ⅰ |
Ⅰ |
Ⅱ |
Ⅱ |
Ⅱ～Ⅲ |
Ⅲ |
|
|
Ⅲ |
0 |
Ⅰ |
Ⅰ～Ⅱ |
Ⅱ |
Ⅱ |
Ⅲ |
Ⅲ |
|
|
Ⅳ |
0 |
Ⅰ |
Ⅰ～Ⅱ |
Ⅱ |
Ⅱ～Ⅲ |
Ⅲ |
Ⅲ |
|
|
10≤M≤50 |
Ⅰ |
0 |
Ⅰ |
Ⅰ～Ⅱ |
Ⅱ |
Ⅱ |
Ⅲ |
Ⅲ |
|
Ⅱ |
0 |
Ⅰ |
Ⅱ |
Ⅱ～Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅲ |
0 |
Ⅰ |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅳ |
0 |
Ⅰ |
Ⅱ～Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
50<M≤80 |
Ⅰ |
0 |
Ⅰ |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
Ⅱ |
0 |
Ⅰ |
Ⅱ～Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅲ |
0 |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅳ |
0 |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
M>80 |
Ⅰ |
0 |
Ⅰ |
Ⅱ～Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
Ⅱ |
0 |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅲ |
0 |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
|
Ⅳ |
0 |
Ⅱ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
Ⅲ |
|
