Chemical Group
Polycyclic Aromatic Hydrocarbons (PAHs)
Chemical Name
Project Name
Stockton Air Pollution Exposure Project (SAPEP)
Units
ng/L
Measured in
Urine
Study Group Subset
Geometric mean (95% Confidence Interval)
87.8
95% Confidence Interval lower
63.0
95% Confidence Interval upper
122
25th
51.4
50th
73.0
75th
116
90th
256
Number of people tested
18.00
Detection Frequency
88.4%
Limit of Detection (LOD), wet-weight
50.0 ng/L
Indicates Exposure to
Phenanthrene
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
