|
25
|
2
|
Equipment room: equipment and chemicals kept in a dry, well-ventilated enclosure |
No |
No
|
No |
No continuous or cross ventilation in the chemical room, vent turns on and off with the switch and there is one vent in the door. |
|
27
|
2
|
Equipment room: filter backwash discharged through an air gap |
No |
No
|
No |
2' air gap required on backwash line. |