{"id":"W4408821722","doi":"10.1021/acs.estlett.5c00246","title":"Elevated PFAS Precursors in Septage and Residential Pump Stations","year":2025,"lang":"en","type":"article","venue":"Environmental Science & Technology Letters","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"Response Biomedical (Canada)","funders":"Oak Ridge Institute for Science and Education; Oak Ridge Associated Universities; U.S. Environmental Protection Agency; U.S. Department of Energy","keywords":"Wastewater; Environmental science; Contamination; Groundwater; Aquifer; Environmental chemistry; Environmental engineering; Waste management; Chemistry; Geology; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001632135,0.0003645961,0.0003539501,0.0007599703,0.0005244974,0.0007538422,0.0001884744,0.0004816082,0.001585059],"category_scores_gemma":[0.0004032506,0.0002049674,0.0003205332,0.0009188871,0.0002713742,0.0004786478,0.0005837504,0.00023881,0.0004478983],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004183127,"about_ca_system_score_gemma":0.0003335235,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00896754,"about_ca_topic_score_gemma":0.0120067,"domain_scores_codex":[0.9996989,0.00002564116,0.00002827732,0.0001184507,0.00008131486,0.0000475428],"domain_scores_gemma":[0.9996727,0.00003177705,0.0001375214,0.00001812207,0.00009712749,0.00004277322],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008793756,0.00009964028,0.7443629,0.0001586791,0.00007331678,0.0006921863,0.0009925362,0.000919762,0.2290508,0.0001850996,0.0004014502,0.02218434],"study_design_scores_gemma":[0.000008603622,0.0004580243,0.9700868,0.00001525278,0.00004002806,0.0004695277,0.001333893,0.0008659614,0.02460001,0.000101774,0.001996065,0.00002394839],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981843,0.0000613579,0.000326677,0.00001513931,0.000002627305,0.00001026978,0.0006174833,0.00001486308,0.0007672296],"genre_scores_gemma":[0.9977546,0.0001130596,0.0005824156,0.00002389323,0.000004308916,0.00001453433,0.0006159688,0.000006228464,0.000885039],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00896754,"threshold_uncertainty_score":0.01783073,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004019554171808265,"score_gpt":0.2438284655851231,"score_spread":0.2398089114133148,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}