{"id":"W342848614","doi":"10.2166/wqrj.2009.028","title":"Perfluorinated Alkyl Acid Concentrations in Canadian Rivers and Creeks","year":2009,"lang":"en","type":"article","venue":"Water Quality Research Journal","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":37,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"Manitoba Hydro","keywords":"Perfluorooctanoic acid; Perfluorooctane; Environmental chemistry; Alkyl; Sulfonate; Population; Environmental science; Chemistry; Environmental health; Organic chemistry; Medicine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.000248836,0.0003323982,0.0003494702,0.002224678,0.003133136,0.001651198,0.0005069739,0.0004086227,0.0009831453],"category_scores_gemma":[0.0007407495,0.0003022412,0.0002109906,0.003024318,0.0005271123,0.0002266009,0.0003919123,0.0002594623,0.0002054564],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01305285,"about_ca_system_score_gemma":0.00894406,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.963152,"about_ca_topic_score_gemma":0.9853436,"domain_scores_codex":[0.9992231,0.00002208793,0.0000266505,0.0001609673,0.0004273008,0.0001398965],"domain_scores_gemma":[0.998991,0.00004246253,0.00007474778,0.00001188403,0.0007946137,0.00008530133],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000212611,0.00006315784,0.953015,0.0001189751,0.00006942534,0.0002607024,0.001934594,0.0004238795,0.02355164,0.0002083001,0.00109781,0.01904388],"study_design_scores_gemma":[0.000006863359,0.00004249282,0.9902849,0.00001790432,0.00003390296,0.00009082961,0.001035366,0.0003347172,0.003256812,0.00004217593,0.004837602,0.00001659464],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9930788,0.000470799,0.0001800584,0.00004200398,0.000007734875,0.00002594526,0.002754543,0.00003281234,0.003407374],"genre_scores_gemma":[0.9904236,0.0005832196,0.001039796,0.00005704787,0.000005262716,0.00002455302,0.002998966,0.00001157642,0.00485584],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03684801,"threshold_uncertainty_score":0.09470552,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08131568810208038,"score_gpt":0.392376522060173,"score_spread":0.3110608339580926,"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."}}