Chemical Group
Volatile Organic Compounds (VOCs)
Chemical Name
Project Name
Stockton Air Pollution Exposure Project (SAPEP)
Units
µg/L
Measured in
Urine
Study Group Subset
Geometric mean (95% Confidence Interval)
233
95% Confidence Interval lower
152
95% Confidence Interval upper
358
25th
168
50th
239
75th
417
90th
865
Number of people tested
18.00
Detection Frequency
100%
Limit of Detection (LOD), wet-weight
1.0 µg/L
Indicates Exposure to
Crotonaldehyde
Footnote
‡SAPEP collected multiple urine samples from study participants. The geometric means were estimated using random effects models to account for multiple samples per participant. Percentiles and detection frequencies were based on the total number of samples collected.
Summary Result Type
Weighted - Unweighted
Number of Samples
69
