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Figure 10—Results for the E-BAM (serial number 5324) and the BGI PQ-200
Federal Reference Method sampler.

Figure 11—Results for the E-BAM (serial number 1675) and the
BGI PQ-200 Federal Reference Method sampler.

E-Sampler—Results of the E-Sampler are shown in figure 12. The E-Sampler overestimated the mass concentration of smoke by 13 percent when compared to the FRM sampler. The correlation coefficient was 0.9628.

Figure 12—Results for the E-Sampler and the BGI PQ-200
Federal Reference Method sampler.

DataRAM4—The DataRAM monitors were operated with the particle size correction feature enabled or disabled. Figure 13 represents the results of the two DataRAM monitors with the size correction feature enabled. DataRAM serial number D172 overestimated the smoke mass concentration by 157 percent (2.57 times) compared to the FRM sampler. DataRAM serial number D034 overestimated concentration by 187 percent (2.87 times). Both had high correlation coefficients of 0.9712 or higher. The percent of difference between the two instruments’ estimations averaged 11.7 percent.

Figure 13—Results for the two DataRAM4 monitors with the size
correction feature enabled and for the BGI PQ-200 Federal
Reference Method sampler.

The DataRAM results with the size correction feature disabled showed that both instruments overestimated the mass concentration results compared to the FRM sampler (figure 14). DataRAM serial number D034 overestimated concentration by 92 percent (1.92 times), while DataRAM serial number D172 overestimated concentration by 187 percent (2.87 times). Again, correlation coefficients were high, 0.9266 or higher.

Figure 14—Results of the two DataRAM4 monitors with the
size correction feature disabled and for the BGI PQ-200
Federal Reference Method sampler.

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