Summary
Measured PFAS in infant samples: Perfluorinated alkyl substances in Canadian human milk as part of the Maternal-Infant Research on Environmental Chemicals (MIREC) study
Key numbers
Values read from the source tables and checked against the cited page. Shown as printed, without conversion. Selected records, not an exhaustive transcription. 1 values were held for review.
| chemical | statistic | value | unit | matrix | source location |
|---|---|---|---|---|---|
| PFOA (PFOA) | range | <LOD - 284 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFOA row, Range column |
| PFOA (PFOA) | mean of results above LOD | 41.4 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFOA row, Mean, >LOD only column |
| PFOA (PFOA) | median of results above LOD | 34.2 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFOA row, Median, >LOD only column |
| PFOA (PFOA) | detection frequency | 99.5 | % | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFOA row, Detection frequency column |
| PFOS (L-PFOS) | range | <LOD - 142 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, L-PFOS row, Range column |
| PFOS (L-PFOS) | mean of results above LOD | 35.7 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, L-PFOS row, Mean, >LOD only column |
| PFOS (L-PFOS) | median of results above LOD | 30.2 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, L-PFOS row, Median, >LOD only column |
| PFOS (L-PFOS) | detection frequency | 95.9 | % | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, L-PFOS row, Detection frequency column |
| PFHxS (PFHxS) | range | <LOD - 167 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFHxS row, Range column |
| PFHxS (PFHxS) | mean of results above LOD | 13.0 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFHxS row, Mean, >LOD only column |
| PFHxS (PFHxS) | median of results above LOD | 9.30 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFHxS row, Median, >LOD only column |
| PFHxS (PFHxS) | detection frequency | 62.5 | % | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFHxS row, Detection frequency column |
| PFNA (PFNA) | range | <LOD - 396 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFNA row, Range column |
| PFNA (PFNA) | mean of results above LOD | 10.4 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFNA row, Mean, >LOD only column |
| PFNA (PFNA) | median of results above LOD | 7.60 | ng/L | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFNA row, Median, >LOD only column |
| PFNA (PFNA) | detection frequency | 61.0 | % | Canadian human milk (MIREC, n = 664) | PDF p.5, Table 3, PFNA row, Detection frequency column |
Evidence Fitness
PRIMARY: primary PFAS measurement data in product class; method stated: targeted LC-MS/MS
Methods (brief)
See the methods section of the source PDF. Measured samples do not represent every product on the market.
Limitations
Values are reported by the authors for their own samples. Censored results and detection limits are as defined in the source. No unit conversions were made.
Provenance notes
DOI 10.1016/j.scitotenv.2022.154888 resolved at Crossref; DOI matched in the filed PDF text. Original file: rawn-2022-perfluorinated-alkyl-substances-in-canadian-human.pdf. SHA-256: 68234f00e90ff1f925ceade6146bfe7e440f2c3c9e76f790548f782ef77608d2. Library folder: papers-breast-milk.