SAS Dataset
The table is a summary of all of the samples collected from December 15, 2008 thru December 15, 2009.
December 15, 2008 thru December 15, 2009 |
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|---|---|---|---|---|---|---|
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) |
% of Samples w/ Sample Collection Errors/Warnings(Flag_PM = 1) |
Field Blank |
30 |
16 |
28 |
17 |
2 |
10 |
Field Duplicates |
31 |
17 |
19 |
12 |
12 |
60 |
Samples |
124 |
67 |
118 |
72 |
6 |
30 |
Total |
185 |
165 |
20 |
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Note: invalid data may be due to instrument malfunction, torn filter, etc.
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
