{"id":"W1987235404","doi":"10.1021/es202958p","title":"Manufacturing Origin of Perfluorooctanoate (PFOA) in Atlantic and Canadian Arctic Seawater","year":2011,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":75,"is_retracted":false,"has_abstract":true,"ca_institutions":"Fisheries and Oceans Canada; Environment and Climate Change Canada; University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada; Polarforskningssekretariatet","keywords":"Seawater; Archipelago; Arctic; Oceanography; Environmental science; Environmental chemistry; The arctic; Biomonitoring; Chemistry; Geology","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":[0.0002672628,0.0002937677,0.0001510553,0.001375555,0.001141898,0.0007546634,0.0002003962,0.000187617,0.0004002318],"category_scores_gemma":[0.0004149325,0.0001382445,0.0002447713,0.001531609,0.0003864298,0.0002374781,0.0004391996,0.0002047557,0.000111489],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003076531,"about_ca_system_score_gemma":0.003008203,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.6666682,"about_ca_topic_score_gemma":0.7649015,"domain_scores_codex":[0.9996948,0.0000086793,0.00001699493,0.00007832877,0.000137876,0.00006324326],"domain_scores_gemma":[0.9996861,0.00001283029,0.00004538831,0.0000073356,0.0002196382,0.0000287282],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002911814,0.00001502666,0.7739154,0.0001049322,0.0000798032,0.0003151757,0.001212086,0.0004248921,0.1920322,0.0002673233,0.0002478918,0.03109406],"study_design_scores_gemma":[0.000003187398,0.00006832436,0.9532405,0.00003231588,0.00008479904,0.0002353634,0.001890082,0.0004805774,0.03938766,0.00004753163,0.004507598,0.00002210871],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962265,0.0006226352,0.0003884622,0.0000275701,0.000006931695,0.000007525991,0.0008200262,0.000008182898,0.001892142],"genre_scores_gemma":[0.9943521,0.001700351,0.001230401,0.000042757,0.000004678583,0.00000817503,0.001314403,0.00001004809,0.001337114],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3333318,"threshold_uncertainty_score":0.6705897,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01363639540134249,"score_gpt":0.2198082996977989,"score_spread":0.2061719042964564,"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."}}