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Report No. 3098477-002a

July 31, 2006

Page 1 of 4


Report No. 3098477-002a

July 31, 2006

Page 2 of 4

Airflow Rate in % of Test Airflow Rate 75%

100%

100

125% 0.400

90

0.350

Resistance, Pa

80 0.300

70 60

0.250

50

0.200

40

0.150

30 0.100

20

0.050

10

0.000

0

700

Resistance, in. Water

50%

1050

Airflow Rate, cfm

1400

1750

Graph 1: Resistance of Clean Device vs. Airflow

Air Velocity Airflow Rate in % of Test m/s Airflow Rate 1.25 50% 1.87 75% 2.50 100% 3.12 125% Table 1: Resistance of Clean Device vs. Airflow

fpm 246.0 369.0 492.0 615.0

Airflow Rate m3/s cfm 700 0.33 1050 0.50 1400 0.66 1750 0.83

Resistance Pa 19 38 61 94

in H2O 0.076 0.151 0.246 0.379


Report No. 3098477-002a

July 31, 2006

Page 3 of 4

Particle Size Removal Efficiency, %

100.0

99.0 Initial 1st Loading

98.0

2nd Loading 3rd Loading

97.0

4th Loading 5th Loading

96.0

95.0

94.0 0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

3.46

4.69

6.20

8.37

Geometric Mean Particle Size, mm Graph 2: PSE After Incremental Dust Loading

Range Number

1

2

3

4

5

6

7

8

9

10

11

12

Size Range, Âľm

0.300.40

0.400.55

0.550.70

0.701.00

1.001.30

1.301.60

1.602.20

2.203.00

3.004.00

4.005.50

5.507.00

7.0010.00

Geometric Mean Particle Size, Âľm

0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

3.46

4.69

6.20

8.37

96.3 96.7 97.7 96.6 96.7 96.2 96.2

Initial 1st Loading 2nd Loading 3rd Loading 4th Loading 5th Loading Composite Minimum

97.6 97.6 98.0 97.4 97.0 96.6 96.6

98.3 98.1 98.1 97.5 97.2 97.0 97.0

98.7 98.5 98.3 97.8 97.3 97.2 97.2

98.9 98.8 98.4 97.9 97.6 97.4 97.4

99.1 98.9 98.4 98.2 97.9 97.5 97.5

99.2 99.1 98.7 98.4 97.9 97.8 97.8

99.3 99.1 98.8 98.5 98.0 98.2 98.0

99.4 99.3 98.9 98.5 98.4 98.3 98.3

99.3 99.4 99.0 98.8 98.4 98.8 98.4

99.5 99.5 98.7 99.4 98.6 98.7 98.6

Table 2: Particle Size Efficiency

Particle Size Removal Efficiency, %

100.0 99.0 98.0 97.0

Composite Min

96.0 95.0 94.0 0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

Geometric Mean Particle Size, mm Graph 3: Composite Minimum Efficiency Curve

3.46

4.69

6.20

8.37

99.5 99.9 98.8 99.0 99.1 98.6 98.6


Report No. 3098477-002a

July 31, 2006

Page 4 of 4


Report No. 3098477-001a

July 31, 2006

Page 1 of 4


Report No. 3098477-001a

July 31, 2006

Page 2 of 4

Airflow Rate in % of Test Airflow Rate 50%

75%

100%

125%

80 0.300 0.250

60 50

0.200

40

0.150

30 0.100 20 0.050

10

0.000

0

1000

Resistance, in. Water

Resistance, Pa

70

1500

Airflow Rate, cfm

2000

2500

Graph 1: Resistance of Clean Device vs. Airflow

Air Velocity Airflow Rate in % of Test m/s Airflow Rate 1.25 50% 1.87 75% 2.50 100% 3.12 125% Table 1: Resistance of Clean Device vs. Airflow

fpm 246.0 369.0 492.0 615.0

Airflow Rate m3/s 0.47 0.71 0.94 1.18

cfm 1000 1500 2000 2500

Resistance Pa 18 33 54 78

in H2O 0.073 0.134 0.215 0.313


Report No. 3098477-001a

July 31, 2006

Page 3 of 4

100.0

Particle Size Removal Efficiency, %

99.0 98.0

Initial 1st Loading

97.0

2nd Loading 3rd Loading

96.0

4th Loading 5th Loading

95.0 94.0 93.0 92.0 0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

3.46

4.69

6.20

8.37

Geometric Mean Particle Size, mm Graph 2: PSE After Incremental Dust Loading

Size Range, Âľm

1 0.300.40

2 0.400.55

3 0.550.70

4 0.701.00

5 1.001.30

6 1.301.60

7 1.602.20

8 2.203.00

9 3.004.00

10 4.005.50

11 5.507.00

12 7.0010.00

Geometric Mean Particle Size, Âľm

0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

3.46

4.69

6.20

8.37

Range Number

95.0 94.9 96.8 96.8 96.3 95.2 94.9

Initial 1st Loading 2nd Loading 3rd Loading 4th Loading 5th Loading Composite Minimum

96.5 96.2 97.4 97.1 96.5 95.9 95.9

97.3 97.0 97.7 97.2 96.6 96.3 96.3

97.9 97.6 97.9 97.5 97.1 96.6 96.6

98.3 98.1 98.2 97.8 97.4 96.8 96.8

98.5 98.4 98.3 97.8 97.5 97.2 97.2

98.7 98.7 98.4 98.2 97.7 97.5 97.5

98.8 98.9 98.5 98.4 97.8 97.7 97.7

98.8 99.0 98.9 98.7 98.5 98.0 98.0

98.8 99.1 99.1 99.0 98.7 98.5 98.5

99.0 99.0 99.1 98.8 99.4 98.1 98.1

Table 2: Particle Size Efficiency

100.0

Particle Size Removal Efficiency, %

99.0 98.0 97.0 96.0

Composite Min.

95.0 94.0 93.0 92.0 0.35

0.47

0.62

0.84

1.14

1.44

1.88

2.57

Geometric Mean Particle Size, mm Graph 3: Composite Minimum Efficiency Curve

3.46

4.69

6.20

8.37

99.7 99.5 99.5 98.8 98.7 99.9 98.7


Report No. 3098477-001a

July 31, 2006

Page 4 of 4


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