11.7 ppb (A 5 ppb Coruna)[] electrochemical 127/35 ppb (WO3/Pt)[] (Seul)[] 18 ppb chemiresistor (WO3/Cr2O3)[] 3.6 ppb ICOS[] 0.03 ppb lase QCL[] 4 ppb electrochemical sensor[] CO 1350 1.6 ppm Coal burning 1 ppm chemiresistor C 630-08-0 (Karachi)[] Vehicular (Ca-SnO2)[] 0.592 ppm exhost 1 ppm (Hong Kong)[] Cigarette electrochemical 1.7 ppm (Rio de sensor [] Janeiro)[] 0.1 ppm controlled 0.53 ppm potential (London) [] electrolysis[] 1.2 ppm (Seul)[] 4 ppb electrochemical sensor[] Ammonia 1260 22 ppb Aggriculture, 0.014 ppb A 7664-41-7 (Santiago, vehicular Chile)[] exhaust 50 ppm AIMS[] 24.7 ppb (Rome, 18 ppb Italy)[] chemiresistor 5.5 ppb (New solution)[] York, USA)[] 50 ppb 8.2 ppb chemiresistor (Salzburg, (MoO3)[] Austria)[] 9 ppb (Munich, Germany)[] Acetone 435 18.6 ppb Solvents, 0.02 ppb A 67-64-1 (Ottawa, oxidation of Canada)[] NMHCs 14 ppb AIMS [] 5.4 ppb 500 ppb AIMS[] (Melbourne, 20 ppb Si:WO3 Australia)[] chemiresistor [] 1.1 ppb (Sao 120 ppb Pt-WO3 Paulo, Brasil)[] chemiresistor[] 2.4 ppb 130 ppb optical (Quinzhou, spectroscopy[] China)[] 170 ppb CTL 13.5 ppb (avg from several towns)[] 7 ppb (Beijing)[]
11.7 ppb (A Coruna)[] 127/35 ppb (Seul)[] 5 ppb electrochemical (WO3/Pt)[] 18 ppb chemiresistor (WO3/Cr2O3)[] 3.6 ppb ICOS[] 0.03 ppb lase QCL[] 4 ppb electrochemical sensor[] CO 630-08-0 1350 1.6 ppm (Karachi)[] 0.592 ppm (Hong Kong)[] 1.7 ppm (Rio de Janeiro)[] 0.53 ppm (London) [] 1.2 ppm (Seul)[] Coal burning Vehicular exhost Cigarette 1 ppm chemiresistor (Ca-SnO2)[] 1 ppm electrochemical sensor [] 0.1 ppm controlled potential electrolysis[] 4 ppb electrochemical sensor[] C Ammonia 7664-41-7 1260 22 ppb (Santiago, Chile)[] 24.7 ppb (Rome, Italy)[] 5.5 ppb (New York, USA)[] 8.2 ppb (Salzburg, Austria)[] 9 ppb (Munich, Germany)[] Aggriculture, vehicular exhaust 0.014 ppb 50 ppm AIMS[] 18 ppb chemiresistor solution)[] 50 ppb chemiresistor (MoO3)[] A Acetone 67-64-1 435 18.6 ppb (Ottawa, Canada)[] 5.4 ppb (Melbourne, Australia)[] 1.1 ppb (Sao Paulo, Brasil)[] 2.4 ppb (Quinzhou, China)[] 13.5 ppb (avg from several towns)[] 7 ppb (Beijing)[] Solvents, oxidation of NMHCs 0.02 ppb 14 ppb AIMS [] 500 ppb AIMS[] 20 ppb Si:WO3 chemiresistor [] 120 ppb Pt-WO3 chemiresistor[] 130 ppb optical spectroscopy[] 170 ppb CTL A
BGA-USAR.docx