Negative Air Machine - HEPA VAC
For each commercial abatement project located greater than or equal to 30 meters (98 feet) from any residential zoning, the negative air machine(s) shall not exhaust air in which the combined total air volume (the total rated air flow of all machine(s) in cubic feet per minute multiplied by the total number of working hours involving asbestos removal will exceed the amount specified in the following table.
DISTANCE (METERS) TO RESIDENTIAL |
DISTANCE (FEET) TO RESIDENTIAL |
AIR VOLUME (MILLION CUBIC FEET) |
30 to < 35 |
98 to < 115 |
7.7 |
35 to < 40 |
115 to < 131 |
9.9 |
40 to < 45 |
131 to < 148 |
13.8 |
45 to < 50 |
148 to < 164 |
18.8 |
50 to < 55 |
164 to < 180 |
24.1 |
55 to < 60 |
180 to < 197 |
32. 1 |
60 to < 65 |
197 to < 213 |
40.8 |
65 to < 70 |
213 to < 230 |
51.0 |
70 to < 75 |
230 to < 246 |
62.8 |
75 to < 80 |
246 to < 262 |
76.5 |
80 to < 85 |
262 to < 279 |
92.2 |
85 to < 90 |
279 to < 295 |
110.0 |
90 to < 95 |
295 to < 312 |
130.0 |
95 to < 100 |
312 to < 328 |
153.0 |
100 to < 105 |
328 to < 344 |
179.0 |
105 to < 110 |
344 to < 361 |
217.0 |
IIO to < 115 |
361 to < 377 |
250.0 |
115 to < 120 |
377 to < 394 |
286.0 |
120 to < 125 |
394 to < 410 |
286.0 |
125 to < 130 |
410 to < 427 |
368.0 |
130 to < 135 |
427 to < 443 |
415.0 |
135 to < 140 |
443 to < 459 |
465.0 |
140 and greater |
459 and greater |
520.0 |