Installed Units | Spare Units |
1 to 10 | 1 |
11 to 20 | 2 |
21 to 30 | 3 |
31 to 40 | 4 |
41 to 50 | 5 |
51 to 75 | 6 |
76 to 100 | 7 |
101 to 150 | 8 |
151 to 200 | 9 |
201 to 300 | 10 |
301 to 400 | 11 |
401 to 500 | 12 |
501 - up | As approved by the Commissioner |
W. Va. Code R. agency 64, tit. 64, ser. 64-47, tbl. 64-47D