SAS Dataset (Not available online.)
The table is a summary of all of the samples collected between September 29, 2010 thru June 20, 2011.
Sample Type | # of Samples | % by Sample Type | # of Samples w/ No Sample Collection Errors/Warnings (Flag_PM = 0) | % of Samples w/ No Sample Collection Errors/Warnings (Flag_PM = 0) | # of Samples w/ Sample Collection Errors/Warnings (Flag_PM = 1,4) | % of Samples w/ Sample Collection Errors/Warnings (Flag_PM = 1,4) |
---|---|---|---|---|---|---|
Field Blank | 19 | 17 | 19 | 100 | 0 | 0 |
Field Duplicates | 19 | 17 | 17 | 89 | 2 | 11 |
Samples | 76 | 67 | 71 | 93 | 5 | 7 |
Total | 114 | 107 | 7 |
Note: invalid data may be due to instrument malfunction, torn filter, or other similar factor.
The following is a list of the variables in the PM2.5 data set.
id = station identification SampleType = Sample, Field Duplicate, Field Blank, Date = Date Sample Collected Flag_PM = 0 or 1; 0 = valid data; 1 = invalid data location = Upwind, 10 meter, 100 meter, 300 meter PM2_5mg_m3 = PM2.5 in µg/m3