Summary
Multi-media PFAA contamination within 10 km of a mega fluorochemical industrial park (Shandong, China): soil, precipitation, wheat grain and maize grain; maxima 640 ng/g in wheat grain and 509 ng/g in maize grain; distance gradient; human exposure via grain.
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.
No values published.
Evidence Fitness
direct
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.envint.2017.05.014 resolved at Crossref; title matched in the filed PDF text. Original file: Liu_2017_wheat_maize_grain_PFAAs_mega_fluorochemical_park_China_EnvInt.pdf. SHA-256: cbc63926562d74a1bab6c9195b4a5668a2a2ed63d6f0acb8dcbf8abaeafbbf29. Library folder: papers-cereal-grains.