Scientific Investigations Report 2007–5156
Evaluation of Street Sweeping as a Stormwater-Quality-Management Tool in
Three Residential Basins in Madison, Wisconsin
By William R. Selbig and Roger T. Bannerman
Return to main report.
Appendixes
Appendix 1. Detailed street-dirt and water-quality data
Appendix 1-1. Control basin street-dirt
yield, in pounds per curb-mile, separated by particle size.
Appendix 1-2. Air-sweeper basin
street-dirt yield, in pounds per curb-mile, separated by particle size.
Appendix 1-3. High-frequency broom basin
street-dirt yield, in pounds per curb-mile, separated by particle size.
Appendix 1-4. Low-frequency broom basin
street-dirt yield, in pounds per curb-mile, separated by particle size.
Appendix 1-5. Runoff-event characteristics
for the control basin.
Appendix 1-6. Runoff-event characteristics
for the air-sweeper basin.
Appendix 1-7. Runoff-event characteristics
for the high-frequency broom basin.
Appendix 1-8a. Constituent event mean
concentrations measured at the control and air-sweeper basin outlets during the
calibration phase.
Appendix 1-8b. Constituent event mean
concentrations measured at the control and high-frequency broom basin outlets
during the calibration phase.
Appendix 1-8c. Constituent event mean
concentrations measured at the control and air-sweeper basin outlets during the
treatment phase.
Appendix 1-8d. Constituent event mean
concentrations measured at the control and high-frequency broom basin outlets
during the treatment phase.
Appendix 1-9a. Constituent event mean
loads measured at the control and air-sweeper basin outlets during the calibration
phase.
Appendix 1-9b. Constituent event mean
loads measured at the control and high-frequency broom basin outlets during the
calibration phase.
Appendix 1-9c. Constituent event mean
loads measured at the control and air-sweeper basin outlets during the treatment
phase.
Appendix 1-9d. Constituent event mean
loads measured at the control and high-frequency broom basin outlets during the
treatment phase.
Appendix 1. Detailed street-dirt and water-quality data
Appendix table 1-1. Control basin street-dirt
yield, in pounds per curb-mile, separated by particle size.
[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater
than; <, less than]
Date
(mm/dd/yyyy)
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000-2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
05/17/2002
|
87
|
125
|
177
|
221
|
86
|
34
|
25
|
755
|
|
05/24/2002
|
81
|
118
|
176
|
207
|
95
|
38
|
33
|
748
|
|
05/31/2002
|
91
|
111
|
174
|
212
|
77
|
20
|
11
|
695
|
|
06/07/2002
|
69
|
93
|
118
|
132
|
46
|
12
|
9
|
479
|
|
06/14/2002
|
52
|
69
|
90
|
111
|
45
|
12
|
5
|
385
|
|
06/20/2002
|
70
|
94
|
124
|
158
|
70
|
23
|
11
|
549
|
|
06/28/2002
|
52
|
66
|
108
|
152
|
71
|
24
|
16
|
489
|
|
07/05/2002
|
88
|
96
|
151
|
202
|
95
|
30
|
48
|
710
|
|
07/12/2002
|
102
|
131
|
202
|
266
|
135
|
57
|
57
|
950
|
|
07/19/2002
|
70
|
101
|
163
|
229
|
145
|
68
|
100
|
876
|
|
07/26/2002
|
77
|
89
|
123
|
149
|
79
|
32
|
33
|
582
|
|
08/02/2002
|
78
|
86
|
120
|
155
|
77
|
29
|
27
|
571
|
|
08/09/2002
|
55
|
69
|
96
|
128
|
67
|
25
|
19
|
458
|
|
08/16/2002
|
64
|
69
|
101
|
134
|
70
|
24
|
19
|
482
|
|
08/30/2002
|
58
|
64
|
93
|
126
|
71
|
29
|
27
|
467
|
|
09/06/2002
|
80
|
103
|
139
|
180
|
107
|
51
|
58
|
717
|
|
09/13/2002
|
61
|
91
|
130
|
151
|
76
|
32
|
26
|
567
|
|
09/27/2002
|
95
|
120
|
172
|
239
|
141
|
65
|
71
|
902
|
|
04/01/2003
|
206
|
319
|
580
|
861
|
354
|
102
|
70
|
2,493
|
|
04/15/2003
|
199
|
281
|
495
|
705
|
341
|
126
|
135
|
2,282
|
Date
(mm/dd/yyyy)
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
04/23/2003
|
181
|
269
|
428
|
606
|
285
|
94
|
88
|
1,951
|
|
04/29/2003
|
142
|
223
|
373
|
542
|
329
|
130
|
139
|
1,878
|
|
05/06/2003
|
154
|
242
|
340
|
314
|
258
|
49
|
23
|
1,380
|
|
05/13/2003
|
172
|
234
|
321
|
409
|
189
|
64
|
42
|
1,431
|
|
05/20/2003
|
78
|
121
|
165
|
172
|
84
|
34
|
12
|
667
|
|
05/27/2003
|
100
|
161
|
229
|
289
|
192
|
90
|
78
|
1,139
|
|
06/03/2003
|
57
|
111
|
171
|
259
|
149
|
49
|
36
|
832
|
|
06/11/2003
|
68
|
116
|
183
|
267
|
152
|
59
|
34
|
878
|
|
06/17/2003
|
57
|
117
|
176
|
250
|
156
|
68
|
51
|
875
|
|
06/26/2003
|
54
|
92
|
116
|
140
|
73
|
21
|
8
|
503
|
|
07/01/2003
|
74
|
113
|
168
|
251
|
159
|
76
|
61
|
901
|
|
07/11/2003
|
41
|
78
|
112
|
147
|
105
|
27
|
12
|
522
|
|
07/23/2003
|
74
|
81
|
101
|
150
|
102
|
44
|
32
|
585
|
|
07/30/2003
|
67
|
93
|
148
|
221
|
140
|
62
|
49
|
781
|
|
08/05/2003
|
35
|
57
|
88
|
144
|
89
|
32
|
22
|
467
|
|
08/12/2003
|
51
|
62
|
99
|
208
|
111
|
49
|
52
|
632
|
|
08/20/2003
|
92
|
96
|
158
|
294
|
187
|
72
|
50
|
949
|
|
08/27/2003
|
116
|
108
|
127
|
212
|
145
|
51
|
26
|
785
|
|
09/02/2003
|
100
|
97
|
119
|
185
|
127
|
46
|
33
|
706
|
Date
(mm/dd/yyyy)
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
09/09/2003
|
76
|
99
|
133
|
213
|
149
|
61
|
50
|
782
|
|
09/16/2003
|
76
|
85
|
109
|
145
|
86
|
29
|
20
|
549
|
|
09/23/2003
|
88
|
92
|
109
|
154
|
85
|
28
|
14
|
571
|
|
09/30/2003
|
92
|
81
|
100
|
153
|
96
|
39
|
26
|
588
|
|
10/07/2003
|
113
|
131
|
218
|
285
|
240
|
56
|
40
|
1,082
|
|
04/06/2004
|
75
|
98
|
219
|
386
|
158
|
47
|
22
|
1,004
|
|
04/13/2004
|
61
|
95
|
221
|
452
|
217
|
91
|
73
|
1,211
|
|
04/27/2004
|
63
|
82
|
148
|
238
|
105
|
36
|
24
|
696
|
|
05/04/2004
|
65
|
89
|
146
|
710
|
109
|
46
|
38
|
1,202
|
|
05/19/2004
|
42
|
52
|
80
|
114
|
46
|
12
|
5
|
351
|
|
05/26/2004
|
43
|
46
|
68
|
122
|
66
|
20
|
15
|
382
|
|
06/02/2004
|
41
|
48
|
62
|
100
|
59
|
19
|
13
|
341
|
|
06/08/2004
|
48
|
56
|
85
|
144
|
82
|
34
|
25
|
473
|
|
06/15/2004
|
57
|
49
|
70
|
108
|
61
|
23
|
15
|
383
|
|
06/22/2004
|
32
|
45
|
82
|
125
|
48
|
17
|
7
|
356
|
|
06/29/2004
|
57
|
62
|
108
|
190
|
104
|
36
|
26
|
583
|
|
07/08/2004
|
38
|
34
|
48
|
81
|
50
|
17
|
12
|
279
|
|
07/14/2004
|
35
|
39
|
59
|
108
|
71
|
28
|
16
|
358
|
|
07/20/2004
|
34
|
41
|
64
|
97
|
49
|
18
|
10
|
313
|
|
07/27/2004
|
40
|
47
|
76
|
132
|
82
|
36
|
36
|
450
|
|
08/03/2004
|
39
|
46
|
82
|
127
|
53
|
17
|
12
|
375
|
|
08/10/2004
|
41
|
51
|
86
|
153
|
81
|
29
|
24
|
465
|
Date
(mm/dd/yyyy)
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
08/18/2004
|
66
|
65
|
91
|
132
|
73
|
33
|
23
|
482
|
|
08/31/2004
|
38
|
42
|
49
|
66
|
40
|
17
|
8
|
261
|
|
09/07/2004
|
56
|
59
|
71
|
107
|
74
|
36
|
29
|
431
|
|
09/17/2004
|
55
|
55
|
59
|
74
|
38
|
16
|
9
|
307
|
|
04/05/2005
|
65
|
84
|
255
|
671
|
317
|
127
|
85
|
1,603
|
|
04/13/2005
|
51
|
70
|
179
|
415
|
199
|
71
|
32
|
1,017
|
|
04/21/2005
|
62
|
75
|
175
|
405
|
206
|
80
|
44
|
1,047
|
|
04/28/2005
|
71
|
75
|
160
|
353
|
172
|
73
|
45
|
948
|
|
05/05/2005
|
67
|
95
|
186
|
401
|
197
|
89
|
45
|
1,080
|
|
05/18/2005
|
67
|
73
|
129
|
248
|
131
|
52
|
30
|
730
|
|
05/25/2005
|
64
|
80
|
128
|
236
|
119
|
47
|
31
|
704
|
|
06/02/2005
|
81
|
110
|
165
|
305
|
168
|
79
|
57
|
964
|
Appendix table 1-2. Air-sweeper basin street-dirt yield, in pounds
per curb-mile, separated by particle size.
[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater
than; <, less than;
NS, no sweeping in basin; --, no data]
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
05/17/2002
|
NS
|
123
|
205
|
333
|
508
|
197
|
53
|
26
|
1,445
|
|
05/24/2002
|
NS
|
113
|
206
|
354
|
521
|
225
|
71
|
43
|
1,531
|
|
05/31/2002
|
NS
|
108
|
156
|
248
|
347
|
144
|
35
|
15
|
1,053
|
|
06/07/2002
|
NS
|
82
|
103
|
136
|
175
|
73
|
18
|
9
|
596
|
|
06/20/2002
|
NS
|
66
|
99
|
141
|
208
|
106
|
32
|
17
|
668
|
|
06/28/2002
|
NS
|
75
|
101
|
177
|
326
|
148
|
40
|
21
|
888
|
|
07/05/2002
|
NS
|
78
|
95
|
174
|
310
|
151
|
40
|
26
|
874
|
|
07/12/2002
|
NS
|
72
|
107
|
187
|
361
|
183
|
58
|
32
|
1,000
|
|
07/19/2002
|
NS
|
62
|
99
|
155
|
270
|
167
|
61
|
39
|
854
|
|
07/26/2002
|
NS
|
68
|
87
|
126
|
189
|
100
|
34
|
20
|
624
|
|
08/02/2002
|
NS
|
86
|
117
|
196
|
317
|
146
|
43
|
23
|
928
|
|
08/09/2002
|
NS
|
90
|
129
|
177
|
260
|
160
|
64
|
45
|
924
|
|
08/16/2002
|
NS
|
85
|
117
|
181
|
261
|
150
|
49
|
27
|
870
|
|
08/30/2002
|
NS
|
93
|
117
|
180
|
335
|
177
|
49
|
32
|
985
|
|
09/06/2002
|
NS
|
94
|
131
|
243
|
454
|
204
|
55
|
36
|
1,217
|
|
09/13/2002
|
NS
|
101
|
137
|
225
|
372
|
174
|
42
|
30
|
1,081
|
|
09/27/2002
|
NS
|
85
|
109
|
144
|
183
|
104
|
33
|
18
|
676
|
|
04/01/2003
|
Pre
|
72
|
140
|
373
|
652
|
251
|
54
|
21
|
1,563
|
|
04/02/2003
|
Post
|
31
|
62
|
196
|
433
|
236
|
74
|
49
|
1,082
|
|
04/15/2003
|
Pre
|
44
|
79
|
216
|
430
|
234
|
76
|
56
|
1,134
|
|
04/16/2003
|
Post
|
30
|
60
|
162
|
315
|
202
|
69
|
56
|
894
|
|
04/22/2003
|
Pre
|
39
|
71
|
186
|
357
|
209
|
58
|
30
|
949
|
|
04/23/2003
|
Post
|
24
|
45
|
116
|
224
|
168
|
59
|
41
|
677
|
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
04/29/2003
|
Pre
|
26
|
47
|
123
|
249
|
190
|
65
|
76
|
777
|
|
04/30/2003
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
05/06/2003
|
Pre
|
40
|
71
|
139
|
195
|
151
|
34
|
15
|
646
|
|
05/07/2003
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
05/12/2003
|
Pre
|
29
|
59
|
119
|
190
|
88
|
26
|
7
|
518
|
|
05/13/2003
|
Post
|
21
|
42
|
97
|
171
|
88
|
24
|
17
|
461
|
|
05/20/2003
|
Pre
|
26
|
41
|
75
|
109
|
49
|
13
|
7
|
320
|
|
05/21/2003
|
Post
|
13
|
29
|
56
|
99
|
62
|
23
|
14
|
298
|
|
05/27/2003
|
Pre
|
24
|
46
|
93
|
168
|
106
|
43
|
20
|
500
|
|
05/28/2003
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
06/03/2003
|
Pre
|
19
|
40
|
66
|
119
|
84
|
37
|
17
|
382
|
|
06/04/2003
|
Post
|
14
|
26
|
51
|
90
|
71
|
33
|
30
|
316
|
|
06/11/2003
|
Pre
|
16
|
30
|
49
|
78
|
53
|
23
|
11
|
259
|
|
06/12/2003
|
Post
|
11
|
18
|
31
|
52
|
34
|
15
|
9
|
169
|
|
06/16/2003
|
Pre
|
21
|
26
|
40
|
68
|
48
|
28
|
23
|
253
|
|
06/17/2003
|
Post
|
9
|
18
|
32
|
57
|
43
|
23
|
20
|
202
|
|
06/26/2003
|
Pre
|
15
|
22
|
25
|
32
|
17
|
6
|
2
|
119
|
|
06/26/2003
|
Post
|
16
|
26
|
28
|
48
|
34
|
15
|
9
|
177
|
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
07/01/2003
|
Pre
|
14
|
25
|
31
|
38
|
52
|
16
|
8
|
183
|
|
07/02/2003
|
Post
|
10
|
16
|
26
|
47
|
35
|
17
|
11
|
162
|
|
07/11/2003
|
Pre
|
11
|
13
|
18
|
28
|
21
|
9
|
6
|
106
|
|
07/16/2003
|
Pre
|
18
|
18
|
25
|
40
|
28
|
11
|
6
|
146
|
|
07/17/2003
|
Post
|
9
|
12
|
17
|
30
|
24
|
11
|
5
|
108
|
|
07/22/2003
|
Pre
|
18
|
15
|
21
|
38
|
29
|
13
|
7
|
142
|
|
07/23/2003
|
Post
|
12
|
10
|
14
|
26
|
21
|
11
|
12
|
106
|
|
07/29/2003
|
Pre
|
15
|
19
|
26
|
45
|
38
|
21
|
21
|
185
|
|
07/30/2003
|
Post
|
10
|
12
|
18
|
33
|
29
|
16
|
14
|
132
|
|
08/05/2003
|
Pre
|
13
|
14
|
15
|
22
|
19
|
10
|
10
|
103
|
|
08/06/2003
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
08/12/2003
|
Pre
|
19
|
20
|
24
|
42
|
35
|
11
|
16
|
167
|
|
08/13/2003
|
Post
|
12
|
12
|
17
|
29
|
26
|
13
|
10
|
119
|
|
08/19/2003
|
Pre
|
17
|
18
|
22
|
38
|
35
|
19
|
19
|
169
|
|
08/20/2003
|
Post
|
11
|
13
|
15
|
25
|
22
|
12
|
11
|
110
|
|
08/26/2003
|
Pre
|
16
|
19
|
19
|
29
|
24
|
11
|
7
|
124
|
|
08/27/2003
|
Post
|
11
|
14
|
18
|
28
|
22
|
13
|
14
|
121
|
|
09/02/2003
|
Pre
|
15
|
16
|
16
|
24
|
21
|
12
|
11
|
115
|
|
09/03/2003
|
Post
|
10
|
10
|
11
|
16
|
14
|
9
|
10
|
79
|
|
09/09/2003
|
Pre
|
17
|
18
|
20
|
28
|
24
|
16
|
18
|
140
|
|
09/10/2003
|
Post
|
9
|
11
|
12
|
17
|
14
|
9
|
11
|
82
|
|
09/16/2003
|
Pre
|
16
|
16
|
13
|
17
|
13
|
5
|
3
|
83
|
|
09/17/2003
|
Post
|
10
|
9
|
9
|
12
|
12
|
6
|
6
|
64
|
|
09/23/2003
|
Pre
|
17
|
22
|
18
|
17
|
24
|
7
|
4
|
109
|
|
09/24/2003
|
Post
|
11
|
11
|
11
|
16
|
14
|
8
|
7
|
79
|
|
09/30/2003
|
Pre
|
23
|
25
|
22
|
27
|
22
|
12
|
9
|
140
|
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
10/01/2003
|
Post
|
13
|
14
|
12
|
18
|
16
|
11
|
10
|
95
|
|
10/07/2003
|
Pre
|
25
|
59
|
31
|
31
|
25
|
16
|
13
|
200
|
|
10/08/2003
|
Post
|
24
|
24
|
19
|
24
|
21
|
13
|
16
|
141
|
|
04/06/2004
|
Pre
|
65
|
88
|
249
|
490
|
175
|
50
|
20
|
1,137
|
|
04/09/2004
|
Post
|
36
|
65
|
203
|
486
|
220
|
95
|
73
|
1,178
|
|
04/13/2004
|
Pre
|
31
|
57
|
174
|
419
|
202
|
78
|
51
|
1,012
|
|
04/16/2004
|
Post
|
11
|
18
|
53
|
136
|
68
|
26
|
14
|
326
|
|
04/27/2004
|
Pre
|
3
|
11
|
21
|
54
|
30
|
11
|
5
|
136
|
|
04/28/2004
|
Post
|
5
|
7
|
15
|
45
|
33
|
18
|
16
|
140
|
|
05/04/2004
|
Pre
|
13
|
17
|
31
|
78
|
60
|
34
|
24
|
258
|
|
05/05/2004
|
Post
|
9
|
10
|
18
|
51
|
41
|
28
|
30
|
186
|
|
05/19/2004
|
Pre
|
13
|
13
|
14
|
21
|
12
|
4
|
2
|
78
|
|
05/19/2004
|
Post
|
3
|
4
|
7
|
19
|
15
|
5
|
3
|
57
|
|
05/26/2004
|
Pre
|
21
|
23
|
25
|
44
|
30
|
7
|
2
|
152
|
|
05/27/2004
|
Post
|
9
|
9
|
11
|
22
|
17
|
5
|
2
|
74
|
|
06/02/2004
|
Pre
|
16
|
17
|
16
|
22
|
16
|
5
|
4
|
95
|
|
06/03/2004
|
Post
|
12
|
13
|
13
|
19
|
14
|
6
|
4
|
81
|
|
06/08/2004
|
Pre
|
17
|
19
|
19
|
26
|
19
|
9
|
7
|
115
|
|
06/10/2004
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
06/15/2004
|
Pre
|
18
|
17
|
16
|
20
|
12
|
7
|
3
|
93
|
|
06/16/2004
|
Post
|
9
|
8
|
10
|
16
|
11
|
6
|
2
|
62
|
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
06/22/2004
|
Pre
|
11
|
11
|
10
|
12
|
7
|
3
|
2
|
56
|
|
06/23/2004
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
06/29/2004
|
Pre
|
12
|
13
|
13
|
18
|
12
|
5
|
4
|
77
|
|
06/30/2004
|
Post
|
7
|
7
|
9
|
14
|
10
|
4
|
2
|
54
|
|
07/07/2004
|
Pre
|
12
|
9
|
9
|
14
|
9
|
2
|
1
|
56
|
|
07/08/2004
|
Post
|
8
|
8
|
9
|
15
|
11
|
4
|
2
|
56
|
|
07/14/2004
|
Pre
|
14
|
13
|
14
|
21
|
14
|
6
|
4
|
85
|
|
07/15/2004
|
Post
|
8
|
9
|
10
|
16
|
12
|
5
|
3
|
62
|
|
07/20/2004
|
Pre
|
12
|
12
|
13
|
20
|
12
|
5
|
2
|
75
|
|
07/21/2004
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
07/27/2004
|
Pre
|
16
|
18
|
17
|
23
|
16
|
9
|
8
|
106
|
|
07/28/2004
|
Post
|
11
|
16
|
10
|
17
|
10
|
5
|
5
|
76
|
|
08/03/2004
|
Pre
|
13
|
16
|
14
|
16
|
9
|
4
|
2
|
74
|
|
08/04/2004
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
08/10/2004
|
Pre
|
19
|
22
|
19
|
27
|
19
|
7
|
4
|
118
|
|
08/11/2004
|
Post
|
9
|
11
|
11
|
18
|
13
|
5
|
3
|
71
|
|
08/18/2004
|
Pre
|
38
|
35
|
25
|
22
|
13
|
5
|
2
|
141
|
|
08/19/2004
|
Post
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
08/31/2004
|
Pre
|
29
|
22
|
18
|
19
|
12
|
5
|
4
|
108
|
|
09/01/2004
|
Post
|
19
|
17
|
15
|
17
|
10
|
4
|
2
|
85
|
|
09/07/2004
|
Pre
|
30
|
31
|
29
|
35
|
23
|
9
|
5
|
161
|
|
09/08/2004
|
Post
|
11
|
14
|
14
|
18
|
13
|
6
|
4
|
81
|
|
09/16/2004
|
Pre
|
21
|
17
|
13
|
13
|
8
|
3
|
2
|
76
|
|
09/17/2004
|
Post
|
11
|
13
|
12
|
13
|
7
|
4
|
2
|
62
|
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
04/05/2005
|
Pre
|
98
|
122
|
316
|
695
|
255
|
96
|
59
|
1,641
|
|
04/05/2005
|
Post
|
39
|
55
|
183
|
453
|
171
|
61
|
44
|
1,005
|
|
04/13/2005
|
Pre
|
49
|
74
|
216
|
533
|
220
|
68
|
27
|
1,187
|
|
04/14/2005
|
Post
|
24
|
42
|
125
|
346
|
173
|
71
|
40
|
820
|
|
04/21/2005
|
Pre
|
41
|
61
|
160
|
394
|
186
|
75
|
44
|
962
|
|
04/21/2005
|
Post
|
14
|
23
|
70
|
219
|
124
|
57
|
39
|
546
|
|
04/28/2005
|
Pre
|
32
|
41
|
88
|
256
|
163
|
86
|
53
|
717
|
|
04/28/2005
|
Post
|
15
|
23
|
57
|
175
|
110
|
62
|
58
|
499
|
|
05/05/2005
|
Pre
|
26
|
31
|
64
|
183
|
121
|
72
|
71
|
568
|
|
05/05/2005
|
Post
|
15
|
19
|
47
|
143
|
98
|
57
|
55
|
434
|
|
05/18/2005
|
Pre
|
24
|
34
|
49
|
117
|
81
|
43
|
28
|
374
|
|
05/18/2005
|
Post
|
12
|
16
|
29
|
78
|
54
|
30
|
21
|
239
|
|
05/25/2005
|
Pre
|
29
|
45
|
55
|
98
|
71
|
36
|
18
|
351
|
|
05/25/2005
|
Post
|
10
|
22
|
27
|
55
|
40
|
22
|
15
|
192
|
|
06/02/2005
|
Pre
|
20
|
40
|
42
|
72
|
54
|
32
|
26
|
285
|
|
06/02/2005
|
Post
|
11
|
21
|
27
|
54
|
44
|
28
|
20
|
205
|
|
06/23/2005
|
Pre
|
12
|
16
|
22
|
33
|
24
|
14
|
11
|
132
|
|
06/23/2005
|
Post
|
5
|
8
|
13
|
24
|
16
|
8
|
5
|
79
|
Appendix table 1-3. High-frequency broom basin street-dirt yield,
in pounds per curb-mile, separated by particle size.
[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater
than; <, less than;
NS, no sweeping in basin; --, no data]
Date
(mm/dd/yyyy)
|
Sweeper cleaning
|
Street-dirt yield
(pounds per curb-mile)
|
|
>2,000 µm
|
1,000–2,000 µm
|
500–1,000 µm
|
250–500 µm
|
125–250 µm
|
63–125 µm
|
<63 µm
|
Total
|
|
05/17/2002
|
NS
|
47
|
79
|
148
|
201
|
88
|
32
|
21
|
614
|
|
05/24/2002
|
NS
|
47
|
83
|
144
|
186
|
87
|
32
|
27
|
606
|
|
05/31/2002
|
NS
|
40
|
75
|
129
|
174
|
75
|
21
|
12
|
527
|
|
06/07/2002
|
NS
|
34
|
60
|
79
|
86
|
33
|
8
|
5
|
304
|
|
06/14/2002
|
NS
|
35
|
66
|
81
|
93
|
40
|
9
|
2
|
326
|
|
06/20/2002
|
NS
|
37
|
62
|
88
|
103
|
46
|
12
|
7
|
356
|
|
06/28/2002
|
NS
|
29
|
47
|
68
|
78
|
35
|
9
|
5
|
270
|
|
07/05/2002
|
NS
|
37
|
60
|
102
|
136
|
64
|
17
|
10
|
427
|
|
07/12/2002
|
NS
|
34
|
69
|
112
|
149
|
79
|
26
|
14
|
482
|
|
07/19/2002
|
NS
|
38
|
58
|
88
|
118
|
63
|
21
|
15
|
401
|
|
07/26/2002
|
NS
|
36
|
57
|
74
|
99
|
52
|
17
|
10
|
344
|
|
08/02/2002
|
NS
|
42
|
67
|
86
|
105
|
49
|
15
|
9
|
373
|
|
08/09/2002
|
NS
|
37
|
61
|
91
|
119
|
56
|
16
|
9
|
388
|
|
08/16/2002
|
NS
|
32
|
49
|
67
|
80
|
38
|
11
|
6
|
282
|
|
08/30/2002
|
NS
|
39
|
56
|
80
|
105
|
52
|
16
|
12
|
361
|
|
09/06/2002
|
NS
|
32
|
51
|
70
|
86
|
43
|
14
|
8
|
303
|
|
09/13/2002
|
NS
|
32
|
55
|
78
|
92
|
42
|
13
|
7
|
319
|
|
09/27/2002
|
NS
|
32
|
58
|
79
|
93
|
47
|
16
|
8
|
333
|
|
04/01/2003
|
Pre
|
125
|
245
|
612
|
960
|
337
|
94
|
55
|
2,428
|
|
04/02/2003
|
Post
|
57
|
129
|
420
|
750
|
316
|
99
|
74
|
1,845
|
|
04/15/2003
|
Pre
|
121
|
202
|
515
|
883
|
357
|
116
|
119
|
2,313
|
|
04/16/2003
|
Post
|
41
|
73
|