Chemical Group
Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs)
Chemical Name
Project Name
California Regional Exposure Study, Los Angeles County (CARE-LA)
Units
ng/mL
Measured in
Serum
Study Group Subset
Geometric mean (95% Confidence Interval)
*
95% Confidence Interval lower
*
95% Confidence Interval upper
*
25th
<LOD
50th
<LOD
75th
0.0152
95th
0.0611
Number of people tested
425.00
Detection Frequency
26.7%
Limit of Detection (LOD), wet-weight
0.0144 ng/mL
Indicates Exposure to
PFOSA
Footnote
*Geometric mean was not calculated because the chemical was found in less than 65% of the study group.
▶CARE-LA data were weighted (a statistical method to adjust over-represented and under-represented demographic characteristics in a study sample) so that the summary results adequately reflect the population of California’s Los Angeles County. Unweighted results are available to download on the California Regional Exposure Study, Los Angeles County (CARE-LA) project page.
Summary Result Type
Weighted - Unweighted
