{"id":"W2328274417","doi":"10.1021/es102582x","title":"Perfluorinated Acid Isomer Profiling in Water and Quantitative Assessment of Manufacturing Source","year":2010,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":137,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Chinese Academy of Sciences","keywords":"Perfluorooctane; Chemistry; Bay; Contamination; Environmental chemistry; Isopropyl; Water source; Environmental science; Sulfonate; Organic chemistry; Geography; Archaeology","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":[0.0003980205,0.001013955,0.0005242022,0.001321375,0.0004323225,0.0006634558,0.0004054433,0.0007364138,0.0009583781],"category_scores_gemma":[0.0006234724,0.0003166941,0.0003452978,0.001232949,0.000404968,0.000514839,0.0005728113,0.0005980697,0.0006501671],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005335265,"about_ca_system_score_gemma":0.0008660569,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00504948,"about_ca_topic_score_gemma":0.008470945,"domain_scores_codex":[0.9993659,0.00004587909,0.00002017984,0.000250366,0.0002340024,0.00008383198],"domain_scores_gemma":[0.9997626,0.0000257955,0.00004395141,0.00001208778,0.0001401252,0.0000154432],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00006486807,0.00001913985,0.008800064,0.00007774665,0.00002246091,0.00005437419,0.00006568062,0.0002260481,0.9747089,0.00009176823,0.000100759,0.01576826],"study_design_scores_gemma":[0.000009440212,0.0001991308,0.01839237,0.00001773022,0.00004954432,0.0002210201,0.0001537461,0.004224681,0.970925,0.0001901805,0.005591535,0.00002550849],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7842745,0.003038218,0.2010714,0.0001484433,0.00007861067,0.0005962415,0.003350501,0.001068386,0.006373692],"genre_scores_gemma":[0.7803898,0.004074096,0.203441,0.0004366405,0.00003643137,0.0008020072,0.003020881,0.000250643,0.007548419],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00504948,"threshold_uncertainty_score":0.01004016,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008738204716302659,"score_gpt":0.2765503755268678,"score_spread":0.2678121708105651,"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."}}