{"id":"W4411196939","doi":"10.1016/j.envpol.2025.126656","title":"Sources and temporal trends of chlorinated paraffins in PM2.5 in a megacity in central China","year":2025,"lang":"en","type":"article","venue":"Environmental Pollution","topic":"Toxic Organic Pollutants Impact","field":"Environmental Science","cited_by":4,"is_retracted":false,"has_abstract":false,"ca_institutions":"The Scarborough Hospital; University of Toronto","funders":"National Key Research and Development Program of China; National Natural Science Foundation of China","keywords":"Megacity; Chlorinated paraffins; China; Environmental science; Environmental chemistry; Physical geography; Geography; Chemistry; Archaeology; Biology","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":[0.0002221989,0.000318005,0.0002117577,0.001138731,0.0004495011,0.0004580493,0.0004318362,0.000332525,0.0008780478],"category_scores_gemma":[0.0002560081,0.0003279139,0.0003975063,0.001513875,0.0002506511,0.0003488002,0.0006143741,0.0002074214,0.000108955],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001154952,"about_ca_system_score_gemma":0.001067331,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1276324,"about_ca_topic_score_gemma":0.1624818,"domain_scores_codex":[0.9998233,0.00001378623,0.0000209252,0.00005293628,0.00003528662,0.00005379791],"domain_scores_gemma":[0.9996153,0.00002722043,0.0001449766,0.00002095573,0.0001071378,0.00008435854],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001069881,0.00003000839,0.993597,0.00003682888,0.0000913539,0.0002604101,0.0004708505,0.0003469757,0.002566386,0.00009879861,0.0002451268,0.002149143],"study_design_scores_gemma":[0.000001892869,0.00001261053,0.9990495,0.000002764442,0.00001906163,0.00003573966,0.0002895922,0.0002723483,0.0001219989,0.000009782503,0.0001818061,0.000002870288],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993219,0.00009173353,0.00003688848,0.00003086038,0.000002164302,0.000003236524,0.0003405184,0.000003195905,0.0001695306],"genre_scores_gemma":[0.9990602,0.00008491706,0.00004233878,0.00001133226,0.000004854228,0.00000660774,0.000436768,0.000001114133,0.0003517929],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1276324,"threshold_uncertainty_score":0.253779,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004426439960121555,"score_gpt":0.208840750255793,"score_spread":0.2044143102956715,"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."}}