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Ref. No. [UMCES]CBL 12-005
9
BOLL-2
March 17, 2011
Time point
Size Class 1
>75 µm to <120µm
(#/m
3
)
Size Class 2
Around 1 mm
(#/m
3
)
Total
>50-µm
(#/m
3
)
T-0 Initial
Ambient
215,000
17,000
232,000
Post 40 µm
97,166
0
146,333
T-1 Mid
Ambient
174,000
19,000
193,000
Post 40 µm
117,667
0
117,667
T-2 Final
Ambient
322,000
20,000
342,000
Post 40 µm
205,000
333
205,333
BOLL-3
March 24, 2011
Time point
Size Class 1
>75 µm to <120µm
(#/m
3
)
Size Class 2
Around 1 mm
(#/m
3
)
Total
>50-µm
(#/m
3
)
T-0 Initial
Ambient
415,000
24,000
439,000
Post 40 µm
281,000
1,000
282,000
T-1 Mid
Ambient
513,000
14,000
527,000
Post 40 µm
491,667
2,333
494,000
T-2 Final
Ambient
361,000
31,000
392,000
Post 40 µm
322,333
2,667
325,000
BOLL-4
June 1, 2011
Time point
Size Class 1
>75 µm to <120µm
(#/m
3
)
Size Class 2
Around 1 mm
(#/m
3
)
Total
>50-µm
(#/m
3
)
T-0 Initial
Ambient
285,500
2,500
288,000
Post 40 µm
260,000
0
260,000
T-1 Mid
Ambient
391,100
2,900
394,000
Post 40 µm
371,333
667
372,000
T-2 Final
Ambient
469,500
2,500
472,000
Post 40 µm
416,000
0
416,000
BOLL-5
June 2, 2011
Time point
Size Class 1
>75 µm to <120µm
(#/m
3
)
Size Class 2
Around 1 mm
(#/m
3
)
Total
>50-µm
(#/m
3
)
T-0 Initial
Ambient
188,000
14,000
202,000
Post 40 µm
135,667
4,333
140,000
T-1 Mid
Ambient
195,500
16,500
212,000
Post 40 µm
161,700
7,300
169,000
T-2 Final
Ambient
189,000
25,000
214,000
Post 40 µm
187,667
3,333
191,000