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g. Temperature and humidity control sensors. These were mounted along the right side wall, 43 inches from the floor, 52 inches from the door-end wall. h. Sorbent tubes and manifold controller. These were fastened to the back-end wall, 69 inches from the floor, centered, and operated electrically from outside the test room. i. MIRAN infrared air sampling unit. It was initially positioned on the floor along the right side wall, to be used as a backup to the MINICAMS and sorbent tubes. After the first few tests it was removed. j. Three MINICAMS sampling lines were positioned so that their inlets were approximately: (1) One foot from the walls at the upper left front corner and 16 inches from the ceiling. (2) One foot from the lower right rear corner walls and 16 inches from the floor. (3) At the geometric center of the test room but 31 inches from the ceiling. 2.4. Operational Concept The three MINICAMS sampling lines were joined into a single heated sample line connected to the MINICAMS inlet. The MINICAMS location was approximately 70 feet from the test room, so heated lines were used to prevent condensation of vapor in the lines. The flow rate in the inlet line was approximately 0.8 liters/minute, resulting in a negligible loss of test room atmosphere during the test, as the test room volume is over 9,800 liters. The sorbent tubes were connected in sets of three, in parallel, to a vacuum pump outside the test room. They were mounted in a manifold that allowed each set to be selected in sequence from outside the room. Sorbent tubes are used to measure dosage, i.e., concentration integrated over time, so they can be compared with the integrated MINICAMS concentration data. The sorbent tube vacuum pump draws approximately 800 ml/minute, and this loss of test room atmosphere was also considered negligible. 2.5. Test Room Layout Figure 3. Test Room, Door End View, and Figure 5. Test Room, Three-Quarter View, show the outside configuration of the test room. The control console is shown alongside the test room. The sorbent tube sampler pump is visible in Figure 3, on the floor, between the test room and the control console. The main MINICAMS sampler line appears in Figure 4, exiting near the top of the test room and routed overhead to the instrument. This picture also shows the electric power switches, mounted on the side of the test room. Figure 4 and Figure 6 show aspects of the interior of the test room. The ducted fans and the sorbent tube manifold can be seen in Figure 4. Also visible is the central MINICAMS sample line inlet. The temperature and humidity sensors, the sorbent tube manifold, and one of the filter units appear in Figure 6. The cool-air humidifier is also partially visible in this view. Both interior views show the glossy epoxy coating on the interior walls. All electric power and controller wires are fully exposed inside the test room, but the boxes and pass-throughs to which they connect are all sealed and caulked to minimize vapor leakage.

Baseline Holmes Bionaire

Normalized Concentration (mg/m^3)
0.070 Electrocorp 0.060 Honeywell 63500 Hunter Dustfree Aller Air 0.030 Austin 0.020 Honeywell 11200 M20

0.70 Decay Time (min)

Figure 7. Normalized Average Concentration vs. Time, MINICAMS Data
The average logarithmic reduction in MeS vapor concentration (MINICAMS data) for each filter unit design was also calculated from the MINICAMS data. It is illustrated in Figure 8, and tabulated in Appendix A, Table A- 25. Logarithmic reduction is often used to express the effectiveness of filtration systems. It is the negative logarithm (base 10) of the vapor concentration divided by the initial vapor concentration. Hence, a one log reduction means the vapor concentration has been reduced to 10% of its initial value, a two log reduction means it has been reduced to 1%, and three log to 0.1%.
1.800 M20 Honeywell 11200 1.400 Austin 1.200 Aller Air Dustfree Honeywell 63500 0.800 Hunter 0.600 Electrocorp Bionaire Holmes 0.200 Baseline 0.70 Decay Time (min)

Log Reduction

Figure 8. Logarithmic Reduction of Vapor Concentration
The integral of concentration over time, called dosage, is often used in assessments of aerosol and vapor hazards. The normalized dosages (for an initial concentration of 0.1 mg/m3), within the test room were calculated from the MINICAMS test data. They are illustrated in Figure 9 and tabulated in Appendix A, Table A- 26.

Baseline Homes Bionaire

4.000 Doseage (mgmin/m^3)

Electrocorp Hunter

Honeywell 63500 Dustfree Aller Air

Austin Honeywell 11200

0.70 Elapsed Time (min)
Figure 9. Normalized Dosages Inside Test Room 5. ANALYSIS OF RESULTS 5.1. Discussion The sorbent tube data, presented in Table A-23, Appendix A, correlates well with the MINICAMS data. The dosage calculations are informative, but it should be noted that this test was designed to begin with the dosage at a peak value before the filters were turned on, so that the effectiveness in reducing existing vapor concentrations could be compared. In actual practice, it is hoped that the filters would be turned on before the vapor concentration began to rise in the shelter room. Then, if the vapor infiltration rate were as low as the baseline decay rate observed in this test, the filters would likely prevent the concentration from rising to the peak levels selected for this test. This test was not designed to assess the capacity of the filters, i.e., the total amount of contaminant vapor they could remove before it would be necessary to replace the filter media. Examination of the units revealed that the most effective designs contained carbon beds large enough to 17
remove over ten thousand times as much MeS as was used in this test. The initial concentration of MeS measured during the M20 filter test was lower than that measured during the trials of the other filters, but the M20 nevertheless reduced the concentration most effectively. The M20 filter unit was tested with a previously-used filter (no new replacement filter was available).

1.200 Lower Corner Upper Corner Trial 1, Center Trial 2, Center Trial 3, Center mg-min/m3

0.60 minutes

Figure 10. Comparison of Alternate Filter Unit Locations The single trials run with the Honeywell 11200 in alternate locations (see Appendix A) are compared to the three trials with the filter unit in its initial location (center of the floor) in Figure 10. It is apparent that the location of the filter unit in the room affected its reduction of simulant vapor concentration slightly in these tests. This is likely the result of the air circulation characteristics and the sampling inlet locations within the test room. It would not be expected that the location would have large effects because the filter units tested had flow rates ranging from 250 to 400 cfm, and the test room volume was only about 350 ft3. This means that the air volume passing through the filter unit each minute was about equal to the entire volume of the test room. The effectiveness of the filter units as tested is summarized in Table 2.
Table 2. Filter Unit Effectiveness
Filter Unit Honeywell 11200 Austin HM 400 Aller Air 4000 Dust Free Honeywell 63500 Price, $ 225 Weight, lbs. 15 Effectiveness* 1.61 1.57 1.42 1.42 1.01 Observations and Remarks Easy to replace filter units. Comes with handle attached for transportability. Manual fan speed control. Filter change requires the use of a screwdriver. Comes with wheels attached to roll the unit around. Manual fan speed control. Filter Change requires the use of a screwdriver. Comes with wheels attached to roll the unit around. Manual fan speed control. Easy to replace filter units. Comes with handle attached for transportability. Possibility of replacing media in the wrong order. Manual fan speed control. Easy to replace filter units. Comes with handle attached for transportability. Manual fan speed control. Easy to replace filter units. Electronic fan speed control. Easy to replace filter units. Manual fan speed control. Easy to replace filter units. Manual fan speed control. Easy to replace filter units. Manual fan speed control.
Hunter 14 0.92 Electrocorp 224C16 0.83 Holmes HAP 6 0.43 Bionaire LC-7 0.41 *Logarithmic Reduction of Vapor Concentration at 52 minutes.
5.2. Conclusions a. All the filter units tested significantly reduced the MeS concentration inside the test room. Of the commercial filters, the Honeywell 11200, the Austin HM 400, the AllerAir 4000, and the Dust Free removed the simulant vapor from the air most effectively. b. The most effective of the filter units were able to reduce the MeS vapor concentration in the room by 90% (a one-log reduction) within 35 minutes. c. The expected one-hour dosage inside the test room, 5.0 mgmin/m3 with no filter, was reduced to 1.5 mgmin/m3 or less by the most effective filter units. d. Changing the location of the filter unit within the test room will change its effectiveness by a small but noticeable amount. This may be an artifact of the room and sample line geometry, but the data suggests that the filter unit should be located on the floor. e. Operational and maintenance characteristics of the filters, i.e., controls, filter change procedures, adjustments, etc., were not so different among any of the filter units tested to be discriminating factors under the circumstances of this test.

APPENDIX A. Detailed Test Data Table A- 1. Baseline MINICAMS Test Data
Date Time Elapsed Time, minutes MeS Concentration, mg/m3 Temp., oF Relative Humidity, Percent

02-Feb-00

07-Feb-00
14:03:04 14:07:04 14:11:04 14:15:04 14:19:04 14:23:04 14:27:04 14:31:04 14:35:04 14:39:04 14:43:04 14:47:04 14:51:04 14:55:04 14:59:04 15:03:04 15:07:04 15:11:04 15:15:04 15:19:04 15:23:04 15:27:04 15:31:04 15:35:04 15:39:04 13:16:59 13:20:59 13:24:59 13:28:59 13:32:59 13:36:59 13:40:59 13:44:59 13:48:59 13:52:59 13:56:59 14:00:59 14:04:59 14:08:59 14:12:59 14:16:59
0.033 0.030 0.030 0.032 0.033 0.031 0.059 0.112 0.133 0.133 0.132 0.128 0.132 0.127 0.119 0.119 0.118 0.109 0.112 0.109 0.099 0.100 0.098 0.095 0.094 0.010 0.010 0.013 0.012 0.012 0.015 0.047 0.104 0.126 0.138 0.138 0.135 0.132 0.133 0.129 0.124
90.2 89.3 89.5 90.1 90.3 89.8 89.9 89.9 90.5 89.9 89.6 90.3 90.2 89.5 90.0 90.3 89.5 89.6 90.2 90.2 89.4 89.7 90.3 90.0 89.5 89.8 90.3 90.6 90.5 90.1 90.4 90.5 90.7 90.0 89.9 89.9 90.0 89.9 90.0 90.0 89.9
35.9 36.7 36.9 36.0 35.9 35.9 36.0 35.9 34.9 36.0 35.9 35.9 35.9 36.0 35.9 35.9 36.0 35.9 35.9 36.0 35.9 36.9 35.9 35.9 36.9 37.8 36.9 36.9 36.0 35.9 35.9 36.0 35.9 35.9 36.9 36.9 35.9 35.9 36.0 35.9 35.9

Elapsed Time, minutes

MeS Concentration, mg/m3

Temp., oF

Relative Humidity, Percent

23-Feb-00

14:20:59 14:24:59 14:28:59 14:32:59 14:36:59 14:40:59 14:44:59 14:48:59 14:52:59 14:56:59 6:33:00 6:37:00 6:41:00 6:45:00 6:49:00 6:53:00 6:57:00 7:01:00 7:05:00 7:09:00 7:13:00 7:17:00 7:21:00 7:25:00 7:29:00 7:33:00 7:37:00 7:41:00 7:45:00 7:49:00 7:53:00 7:57:00 8:01:00 8:05:00 8:09:00
Sampling Interval, minutes
0.122 0.120 0.113 0.116 0.107 0.108 0.108 0.101 0.097 0.100 0.010 0.010 0.010 0.010 0.010 0.010 0.038 0.094 0.122 0.124 0.130 0.128 0.125 0.120 0.120 0.120 0.116 0.117 0.110 0.111 0.106 0.105 0.100 0.099 0.097
89.8 90.2 90.6 90.5 90.0 89.7 90.2 90.6 90.2 89.9 88.7 88.8 89.6 88.7 89.5 89.6 91.4 92.8 90.1 90.3 89.5 90.2 90.2 90.2 90.2 88.9 88.9 89.0 89.6 88.8 88.3 88.2 89.6 90.2 89.5

37.0 35.9 35.9 36.0 35.9 35.9 35.9 36.0 35.9 35.9 37.5 36.3 35.2 36.9 36.9 35.2 35.7 36.3 39.9 38.8 41.1 39.9 38.7 38.7 38.7 37.6 37.5 38.2 37.6 36.9 37.6 36.9 35.2 36.9 36.3
Table A- 2. Baseline Sorbent Tube Test Data
Date Mass MeS, ng Flow Rate, lpm Average Elapsed Time At Concentration, End of Sample, mg/m3 minutes Set Average, mg/m3

2-Feb-00

1133.97 1193.78 1108.97 4110.90 4186.52 3629.13 3208.94
0-20 0-20 0-20 20-40 20-40 20-40 40-60 21
0.068 0.069 0.069 0.231 0.246 0.245 0.191

0.069 0.155

Mass MeS, ng

Flow Rate, lpm

Average Elapsed Time At Concentration, End of Sample, mg/m3 minutes

Set Average, mg/m3

7-Feb-00
3231.14 3105.67 2844.80 2569.12 2759.95 2265.15 2523.37 2317.39 N/A* N/A* N/A* 3675.61 3649.88 3183.92 3036.49 2954.44 3139.27 8522.28 8610.30 8625.31 2163.90 2218.01 2154.82 475.99 533.44 510.29 3715.01 3661.24 3907.30 2795.73 2974.81 2890.67 2244.81 2300.54 2488.06 2155.38 2205.34 1858.81

N/A* N/A* N/A* 800

40-60 40-60 60-80 60-80 60-80 80-100 80-100 80-100 N/A* N/A* N/A* 20-40 20-40 20-40 40-60 40-60 40-60 60-80 60-80 60-80 80-100 80-100 80-100 0-20 0-20 0-20 20-40 20-40 20-40 40-60 40-60 40-60 60-80 60-80 60-80 80-100 80-100 80-100
0.190 0.188 0.165 0.161 0.162 0.151 0.145 0.138 N/A* N/A* N/A* 0.202 0.209 0.212 0.177 0.159 0.176 0.507 0.506 0.501 0.129 0.127 0.123 0.026 0.028 0.028 0.204 0.197 0.215 0.149 0.180 0.161 0.123 0.124 0.132 0.118 0.119 0.116

N/A* N/A* N/A* 100

0.190 0.163 0.145 N/A* N/A* N/A* 0.208 0.171 0.505** 0.126
0.027 0.116 0.163 0.126 0.118
*Note that the sorbent tube data from the 0-20 minute interval for the 7 Feb 00 Baseline was not taken because insufficient sorbent tubes were available at the time the test was conducted. **Valve stuck? Data not used in averages.
Table A- 3. BionAire LC1060 MINICAMS Test Data
Date Time Elapsed Time, Minutes MeS Concentration, mg/m3 Temp., oF Relative Humidity, Percent

3-Feb-00*

25-Feb-00

25-Feb-00 10-Apr-00

10:40 11:00 11:20 11:26 11:40 12:00 12:20 14:21:00 14:25:00 14:29:00 14:33:00 14:37:00 14:41:00 14:45:00 14:49:00 14:53:00 14:57:00 15:01:00 15:05:00 15:09:00 15:09:00 15:13:00 15:17:00 15:21:00 15:25:00 15:29:00 15:33:00 15:37:00 15:41:00 15:45:00 15:49:00 15:53:00 15:57:00 16:01:00 16:05:00 16:09:00 15:02:00 15:06:00 15:10:00 15:14:00 15:18:00 15:22:00 15:26:00
0.016 0.020 0.134 0.129 0.099 0.077 0.056 0.002 0.002 0.002 0.002 0.002 0.003 0.004 0.060 0.101 0.118 0.113 0.117 0.112 0.112 0.108 0.103 0.086 0.083 0.080 0.071 0.063 0.058 0.051 0.053 0.047 0.042 0.041 0.038 0.035 0.008 0.013 0.016 0.017 0.017 0.020 0.023

100.5 99.8 98.5 95.7 95.0 94.9 93.5 92.8 92.8 92.8 92.1 92.3 92.3 91.7 92.1 92.1 92.8 92.9 92.2
38.0 38.0 38.1 38.7 37.5 37.4 37.4 37.4 37.4 38.0 38.0 37.5 36.9 37.5 36.8 36.2 36.8 36.9 36.9
Table A- 8. Honeywell 63500 Sorbent Tube Test Data
880.56 856.13 804.59 4419.96 4217.92 3673.90 1926.73 1718.23 1838.26 1223.94 1210.29 1072.57 986.47 1222.11 790.01 312.10 306.79 278.43 4709.70 4904.23 4781.20 546.46

840 875

0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65
0.050 0.050 0.047 0.260 0.251 0.248 0.110 0.102 0.103 0.067 0.067 0.060 0.055 0.065 0.053 0.017 0.018 0.017 0.274 0.282 0.285 0.031
0.049 0.253 0.105 0.065 0.058

0.017 0.280

327.38 514.14 155.28 121.45 143.29 131.19 120.66 128.77 1201.15 1280.11 1293.22 8282.00 8622.41 8707.55 908.64 903.33 917.88 225.44 244.74 216.62 223.77 198.37 163.18
0.026 0.030 0.010 0.008 0.009 0.007 0.007 0.007 0.071 0.068 0.069 0.455 0.459 0.484 0.049 0.049 0.049 0.013 0.013 0.014 0.012 0.011 0.009

0.029 0.009 0.007

0.070 0.466 0.049 0.013 0.011
Table A- 9. Holmes HAP 240 MINICAMS Test Data
13:28:59 13:32:59 13:36:59 13:40:59 13:44:59 13:48:59 13:52:59 13:56:59 14:00:59 14:04:59 14:08:59 14:12:59 14:16:59 14:20:59 14:24:59 14:28:59 14:32:59 14:36:59
0.009 0.014 0.013 0.015 0.015 0.018 0.053 0.115 0.134 0.144 0.142 0.139 0.129 0.121 0.118 0.111 0.102 0.097
89.9 89.9 89.7 90.2 90.8 90.7 91.1 90.8 90.2 90.6 90.7 90.4 89.9 90.0 90.7 90.6 90.5 90.3
35.9 35.9 36.0 35.9 35.9 36.0 35.9 35.9 35.9 36.0 34.9 35.9 36.0 35.9 35.9 35.0 35.9 35.9

23-Mar-00

14:40:59 14:44:59 14:48:59 14:52:59 14:56:59 15:00:59 15:04:59 13:42:00 13:46:00 13:50:00 13:54:00 13:58:00 14:02:00 14:06:00 14:10:00 14:14:00 14:18:00 14:22:00 14:26:00 14:30:00 14:34:00 14:38:00 14:42:00 14:46:00 14:50:00 14:54:00 14:58:00 15:02:00 15:06:00 15:10:00 15:13:59 15:17:59 15:21:59 15:25:59 15:21:18 15:25:18 15:29:18 15:33:19 15:37:19 15:41:19 15:45:19 15:49:19 15:53:19 15:57:19 16:01:19 16:05:19
0.096 0.094 0.088 0.087 0.085 0.084 0.078 0.002 0.002 0.003 0.003 0.003 0.003 0.027 0.093 0.116 0.121 0.119 0.121 0.121 0.120 0.110 0.098 0.086 0.075 0.072 0.063 0.053 0.050 0.045 0.043 0.035 0.032 0.031 0.004 0.004 0.006 0.006 0.007 0.008 0.014 0.091 0.126 0.135 0.143 0.132

90.3 90.1 89.7 90.4 90.7 90.3 90.0 86.6 89.4 91.4 88.2 91.0 90.3 90.3 95.1 93.0 92.3 90.9 90.2 91.0 88.9 93.7 90.3 89.6 92.3 88.8 90.9 89.5 90.2 91.5 88.1 91.5 88.8 89.5 82.6 83.9 87.3 90.9 88.1 90.2 91.6 91.6 93.7 91.6 90.9 90.2
35.9 35.9 35.9 35.9 35.0 35.9 35.9 40.5 37.5 34.5 43.6 39.3 39.9 40.5 36.3 39.3 40.5 42.4 42.4 42.4 43.0 36.3 40.5 41.8 36.3 39.3 36.9 37.5 39.3 37.5 39.9 35.1 39.3 39.3 42.3 41.1 36.3 34.5 39.9 38.1 34.5 41.7 39.9 43.6 44.2 43.6
16:09:19 16:13:19 16:17:19 16:21:19 16:25:19 16:29:19 16:33:19 16:37:19 16:41:19 16:45:19 16:49:19 16:53:19 16:57:19 17:01:19 17:05:19
0.145 0.127 0.123 0.110 0.095 0.093 0.081 0.081 0.076 0.067 0.061 0.056 0.055 0.048 0.051
90.9 88.2 92.3 88.9 88.9 91.6 88.2 90.9 89.6 90.7 91.4 88.6 91.6 88.9 91.6
44.8 46.0 42.4 44.2 44.8 39.3 43.6 38.7 41.1 42.8 39.8 44.1 37.5 41.1 37.5
Table A- 10. Holmes HAP 240 Sorbent Tube Test Data
675.49 686.88 662.76 4113.99 4324.04 3568.51 2731.78 2696.02 2686.18 9958.44 9690.19 8447.42 1770.06 1746.01 1660.22 LOST 182.62 176.32 4576.21 4736.07 4448.44 1642.62 1714.28 1592.95 966.06 963.25

885 LOST 870 910

0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85
0.038 0.038 0.037 0.231 0.240 0.241 0.159 0.159 0.160 0.579 0.570 0.556 0.099 0.098 0.094 LOST 0.010 0.010 0.263 0.266 0.268 0.101 0.101 0.088 0.056 0.053
0.038 0.237 0.159 0.568a 0.097

0.010 0.266 0.097

843.87 668.96 650.68 659.76 432.54 469.34 474.14 5890.67 5725.13 5755.61 2440.82 2261.54 2464.37 1310.52 1364.52 1179.82 1042.04 1053.68 1060.61
65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105
0.055 0.037 0.037 0.037 0.025 0.025 0.026 0.324 0.308 0.320 0.133 0.126 0.132 0.074 0.076 0.078 0.059 0.061 0.058

0.054 0.037

0.026 0.317 0.130 0.076 0.059

aStuck

Valve? Data not used.
Table A- 11. Hunter Hepatech 375 MINICAMS Test Data
10:48:59 10:52:59 10:56:59 11:00:59 11:04:59 11:08:59 11:12:59 11:16:59 11:20:59 11:24:59 11:28:59 11:32:59 11:36:59 11:40:59 11:44:59 11:48:59 11:52:59 11:56:59 12:00:59 12:04:59 12:08:59 12:12:59

109 113

0.013 0.010 0.010 0.007 0.007 0.012 0.013 0.016 0.014 0.016 0.016 0.019 0.066 0.117 0.135 0.148 0.151 0.147 0.134 0.115 0.098 0.090 0.080 0.063 0.058 0.043 0.042 0.041 0.039 0.032 0.031 0.026 0.022 0.024
86.8 90.2 88.1 89.5 89.5 83.3 84.7 88.8 89.5 90.9 88.8 93.0 92.3 93.0 92.9 91.5 91.5 90.2 90.2 90.9 88.8 90.8 89.5 92.9 88.8 89.5 92.3 89.6 89.6 93.0 89.6 90.2 91.5 89.5
42.3 38.7 40.5 39.3 32.7 38.7 36.3 31.6 37.5 38.1 41.1 35.7 37.5 38.1 39.3 39.9 41.1 42.4 42.4 40.5 41.1 38.1 39.3 36.9 39.3 38.1 34.5 40.5 39.3 36.3 39.3 38.7 36.3 39.3
Table A- 18. Electrocorp 224C4 Sorbent Tube Test Data

23 Feb 00

401.67 396.77 381.16 4341.08 4348.01 4230.53 1161.09
0-20 0-20 0-20 20-45 20-45 20-45 45-65
0.023 0.022 0.022 0.244 0.248 0.249 0.075

0.023 0.247

1506.75 1445.84 633.44 621.70 600.44 407.20 418.22 546.33 174.69 176.84 169.69 4780.69 4825.65 4677.63 1311.67 1289.16 1315.08 436.55 434.01 374.63 268.52 274.98 267.72 445.01 504.67 485.10 5934.40 5820.35 5835.40 1991.51 1903.36 1950.62 221.23 796.79 719.96 558.61 522.21 549.71

850 875

45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105
0.078 0.080 0.036 0.033 0.034 0.024 0.024 0.034 0.010 0.009 0.009 0.263 0.257 0.260 0.069 0.069 0.070 0.024 0.023 0.023 0.014 0.014 0.015 0.0270 0.0288 0.0273 0.3450 0.3198 0.3335 0.1106 0.1088 0.1096 0.0492 0.0477 0.0480 0.0325 0.0307 0.0314

0.078 0.034 0.027

0.009 0.260 0.069 0.024 0.014
0.0277 0.3328 0.1097 0.0483 0.0315
Table A- 19. Dust Free Inc. MINICAMS Test Data
12:22:00 12:26:00 12:30:00

0.001 0.001 0.001

79.3 82.0 84.7

36.9 35.1 32.1

12:34:00 12:38:00 12:42:00 12:46:00 12:50:00 12:54:00 12:58:00 13:02:00 13:06:00 13:10:00 13:14:00 13:18:00 13:22:00 13:26:00 13:30:00 13:34:00 13:38:00 13:42:00 13:46:00 13:50:00 13:54:00 13:58:00 14:02:00 14:06:00 13:48:00 13:52:00 13:56:00 14:00:00 14:04:00 14:08:00 14:12:00 14:16:00 14:20:00 14:24:00 14:28:00 14:32:00 14:36:00 14:40:00 14:44:00 14:48:00 14:52:00 14:56:00 15:00:00 15:04:00 15:08:00 15:08:00

0.017 0.011 0.006 0.006 0.004 0.004 0.003 0.003 0.002 0.002 0.002 0.000 0.000 0.000 0.001 0.001 0.001 0.025 0.081 0.097 0.103 0.101 0.098 0.084 0.052 0.030 0.016 0.012 0.008 0.006 0.003 0.004 0.003 0.003 0.002 0.002 0.002 0.002 0.003 0.004 0.005 0.005 0.004 0.006 0.008 0.074
93.1 94.5 94.9 95.6 96.3 96.3 97.0 97.7 98.0 97.3 98.0 84.0 88.1 89.5 90.2 88.9 90.9 91.6 92.3 92.3 92.3 90.9 90.9 91.6 91.6 91.6 93.4 94.8 94.8 95.6 95.6 96.3 97.1 97.1 97.8 97.7 97.7 99.1 87.4 88.1 91.5 88.8 90.2 90.9 90.2 92.3
36.4 34.6 37.5 35.7 35.7 35.7 34.5 36.3 35.8 35.2 35.2 35.7 32.1 33.9 38.7 41.1 38.1 36.9 38.7 38.7 40.5 41.7 36.9 30.4 37.5 39.9 39.2 38.6 38.6 37.5 37.5 37.5 37.5 37.5 38.1 37.5 36.3 36.9 38.7 39.3 35.1 39.9 38.7 36.3 37.5 38.1
14:43:01 14:47:01 14:51:01 14:55:01 14:59:01 15:03:01 15:07:01 15:11:01 15:15:01 15:19:01 15:23:01 15:27:01 15:31:01 15:35:01 15:39:01 15:43:01 15:47:01 15:51:01 15:55:01 15:59:01

105 109

0.112 0.120 0.119 0.119 0.114 0.090 0.056 0.036 0.023 0.015 0.010 0.008 0.006 0.005 0.004 0.003 0.003 0.003 0.002 0.002
93.6 92.3 93.7 92.3 93.5 92.8 92.8 93.5 94.2 94.9 95.6 96.3 97.0 97.8 97.8 98.5 99.2 99.2 99.2 99.3
37.5 38.7 39.9 39.9 33.9 35.1 39.3 38.7 38.7 38.1 37.5 38.1 37.5 38.1 38.1 37.5 36.9 36.9 36.3 36.3
Table A- 22. M20 Filter Sorbent Tube Test Data

16 Mar 00

243.30 265.88 263.43 4530.34 4405.42 4639.85 339.94 293.53 322.60 46.09 80.49 55.48 50.65 62.04 71.26 160.63 150.15 153.34 4280.11 4221.89 4212.00
0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45
0.015 0.014 0.014 0.249 0.245 0.261 0.018 0.016 0.017 0.003 0.004 0.004 0.003 0.003 0.004 0.010 0.009 0.009 0.255 0.251 0.254
0.014 0.251 0.017 0.004 0.003

0.009 0.253

313.02 324.11 306.34 87.29 98.30 86.84 63.96 58.06 65.18 526.39 518.67 500.67 36.23 37.91 39.16 348.84 330.05 366.38 109.78 107.06 84.45 97.99 100.66 93.77
45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105 0-20 0-20 0-20 20-45 20-45 20-45 45-65 45-65 45-65 65-85 65-85 65-85 85-105 85-105 85-105
0.019 0.019 0.018 0.005 0.006 0.006 0.004 0.003 0.003 0.030 0.030 0.029 0.002 0.002 0.003 0.021 0.019 0.021 0.006 0.006 0.006 0.006 0.006 0.006

0.019 0.006 0.004

0.030 0.002* 0.020 0.006 0.006
*Valve stuck? Data not used in averages.

When the third baseline test was done it was seen from the MINICAMS outputs that the concentration of MeS was not beginning to increase until 25 minutes after the test start, so the sampling time for the second bank of sorbent tubes was increased to 25 minutes, so that peak concentration was reached before turning on the filter. Because the MINICAMS was located some 70 feet from the sample inlets, and because the MINICAMS operates on a 4-minute sampling/analysis/cleardown cycle, the concentrations reported for each elapsed time actually represent values present approximately 5 minutes earlier. The test data summarized in Table A- 23 compares the vapor concentration reductions calculated from the MINICAMS data and the Tenax sorbent tube data on each model of filter unit. It can be seen that the two measurement methods yield similar results. Table A- 23. Correlation Between MINICAMS and Sorbent Tube Data Average Concentration Decrease per 20-Minute Interval, Percent Test Item MINICAMS Data Sorbent Tube Data Honeywell 11200 70.3 69.2 Aller Air 4000 69.5 63.0 Austin HM 400 67.7 65.1 M20 65.2 63.0 Dust Free Inc. 64.4 64.2
Test Item Honeywell 63500 Hunter Hepatech 375 Electrocorp Bionaire LC-1060 Holmes HAP 240 None (Baseline)
Average Concentration Decrease per 20-Minute Interval, Percent Data MINICAMS Sorbent Tube Data 61.8 51.9 56.9 51.6 50.8 53.4 36.3 36.2 28.4 37.6 11.9 15.9
The sorbent tube data from all the tests, averaged among trials and expressed as mean concentration for the sampling time interval, is illustrated in Figure A- 1. The MINICAMS data, averaged among trials but not normalized for initial concentration, is illustrated in Figure A- 2. Table A- 24. Normalized Vapor Concentration
Austin HM 400 Honeywell 11200 Honeywell 63500 Electrocor p 224C4 None (Baseline) 0.100 0.100 0.097 0.094 0.093 0.091 0.088 0.086 0.086 0.080 0.080 0.078 0.075 0.073 0.071* 0.070* None (Baseline) 0.000 0.002 0.013 0.027 0.032 0.041 Dust Free Holmes HAP 240 0.100 0.095 0.089 0.081 0.073 0.068 0.062 0.059 0.054 0.051 0.047 0.045 0.042 0.039 0.039 0.039* Holmes HAP 240 0.000 0.024 0.052 0.094 0.139 0.168 Bionaire LC-1060 0.100 0.095 0.090 0.078 0.075 0.070 0.062 0.058 0.053 0.052 0.049 0.044 0.039 0.039 0.039 0.039* Bionaire LC1060 0.000 0.021 0.045 0.106 0.132 0.157 Aller Air 4000

Time, min. 56 60

0.100 0.072 0.043 0.026 0.018 0.012 0.008 0.006 0.005 0.004 0.003 0.003 0.003 0.002 0.002 0.002*
0.100 0.092 0.073 0.046 0.026 0.019 0.013 0.010 0.007 0.005 0.005 0.004 0.003 0.002 0.002 0.002
0.100 0.092 0.070 0.047 0.031 0.020 0.014 0.009 0.007 0.005 0.004 0.004 0.003 0.003 0.003 0.002
0.100 0.087 0.066 0.047 0.031 0.023 0.019 0.013 0.010 0.008 0.006 0.005 0.004 0.004 0.003* 0.003*
0.100 0.080 0.059 0.040 0.028 0.023 0.020 0.016 0.014 0.012 0.009 0.009 0.007 0.007 0.006 0.005
0.100 0.079 0.059 0.045 0.037 0.033 0.028 0.023 0.021 0.019 0.017 0.016 0.015 0.015 0.013 0.013*
Hunter 30375 0.100 0.088 0.076 0.065 0.051 0.041 0.033 0.029 0.024 0.020 0.018 0.016 0.013 0.013 0.011 0.008 Hunter 30375 0.000 0.054 0.119 0.185 0.295 0.385
0.100 0.091 0.079 0.068 0.059 0.048 0.041 0.035 0.028 0.025 0.023 0.020 0.018 0.016 0.014 0.012

*Extrapolated Value

The negative logarithm (base 10) of the fractional concentration was calculated and is presented in Table A- 25. Table A- 25. Logarithmic Reduction of Vapor Concentration
Aller Air 4000 Electrocorp 224C4 0.000 0.039 0.102 0.167 0.230 0.321 Austin HM 400 Honeywell 11200 Honeywell 63500 0.000 0.106 0.237 0.356 0.455 0.527 Dust Free 0.000 0.061 0.203 0.359 0.551 0.702

Time, min. 16 20

0.000 0.146 0.370 0.588 0.746 0.936
0.000 0.038 0.139 0.342 0.585 0.725
0.000 0.038 0.153 0.329 0.512 0.698
0.000 0.063 0.183 0.328 0.517 0.651

Aller Air 4000

Hunter 30375
Holmes HAP 240 0.207 0.233 0.272 0.302 0.335 0.359 0.395 0.430 0.434 0.436* 0.000 0.389 0.756 1.095 1.402 1.685 1.946 2.188 2.415 2.625 2.822 3.007 3.181 3.344 3.500 3.650* Holmes HAP 240

Bionaire LC1060

Electrocorp 224C4

Austin HM 400

Honeywell 11200

Honeywell 63500

1.099 1.255 1.324 1.412 1.489 1.519 1.573 1.605 1.631 1.651*
0.886 1.052 1.164 1.299 1.349 1.414 1.529 1.610 1.616 1.667
0.872 1.039 1.189 1.343 1.363 1.430 1.499 1.575 1.590 1.612
0.734 0.897 1.026 1.135 1.267 1.315 1.415 1.417 1.526* 1.553*
0.841 0.932 1.055 1.166 1.231 1.282 1.385 1.416 1.455 1.484
0.621 0.710 0.771 0.827 0.896 0.929 0.986 1.014 1.067 1.100
0.476 0.540 0.628 0.707 0.764 0.811 0.902 0.916 0.969 1.114
0.390 0.453 0.560 0.613 0.652 0.707 0.756 0.830 0.861 0.975
0.208 0.238 0.274 0.313 0.314 0.357 0.404 0.413 0.442 0.462*
0.055 0.067 0.067 0.098 0.098 0.107 0.123 0.134 0.139* 0.141*

*Extrapolated Values

Table A- 26. Calculated Dosages Inside Test Room
Normalized Dosage, mg-min/m3 Exposure Time, min. Austin HM 400 Honeywell 11200 Honeywell 63500 Electrocor p 224C4 None (Baseline) 0.000 0.399 0.792 1.174 1.548 1.916 2.275 2.623 2.966 3.297 3.616 3.932 4.240 4.537 4.831 5.122* Dust Free Bionaire LC-1060 Aller Air 4000 Hunter 30375

0.000 0.344 0.574 0.713 0.802 0.861 0.901 0.928 0.950 0.967 0.981 0.994 1.005 1.016 1.025 1.032*
0.000 0.384 0.713 0.950 1.094 1.185 1.251 1.296 1.330 1.355 1.375 1.392 1.406 1.417 1.427 1.436
0.000 0.384 0.709 0.944 1.101 1.204 1.272 1.319 1.352 1.376 1.394 1.410 1.424 1.436 1.447 1.457
0.000 0.373 0.679 0.906 1.062 1.169 1.252 1.316 1.361 1.395 1.422 1.443 1.461 1.477 1.494 1.510*
0.000 0.361 0.639 0.836 0.972 1.073 1.159 1.231 1.291 1.343 1.387 1.424 1.455 1.481 1.507 1.529
0.000 0.357 0.632 0.840 1.003 1.142 1.262 1.363 1.451 1.532 1.604 1.670 1.731 1.791 1.845 1.875
0.000 0.377 0.706 0.989 1.221 1.405 1.555 1.680 1.785 1.872 1.946 2.013 2.071 2.122 2.171 2.210
0.000 0.383 0.724 1.018 1.272 1.486 1.664 1.817 1.944 2.048 2.144 2.231 2.309 2.378 2.438 2.490
0.000 0.391 0.762 1.099 1.406 1.695 1.958 2.197 2.420 2.631 2.833 3.018 3.185 3.341 3.496 3.647*

None (Baseline)

Dust Free

0.3500

0.3000

0.2500

0.2000 mg/m3
0-20 min. 20-45 min. 45-65 min. 65-85 min.

0.1500

85-105 min.

0.1000

0.0500
0.0000 Aller Air 4000 Filter Austin Air 4000 Baseline Bionare LC- Dust Free, 1060 Inc. Electro Corp. Holmes HAP 240 Honeywell 11200 Honeywell 63500 Hunter Hepatech 375 M20
Figure A- 1. Mean Concentration vs. Time, Sorbent Tube Data
0.140 Baseline 0.120 Holmes HAP 240 Bionaire 0.100 Electrocorp 0.080 Hunter Hepatech 375 Honeywell 63500 Allerair 4000 Dust Free Honeywell 11200 0.020 Austin HM400 0.M20

Minutes

Figure A- 2. Mean Concentration vs. Time, MINICAMS Data
APPENDIX B. Filter Unit Pictures
Figure B- 1. Aller Air 4000
Figure B- 2. Austin HM400
Figure B- 3. Bionaire LC-1060
Figure B- 4. Dust Free Inc.
Figure B- 5. Electrocorp 224C4
Figure B- 6. Holmes HAP 240
Figure B- 7. Honeywell 11200
Figure B- 8. Honeywell 63500
Figure B- 9. Hunter 30375