Temporal and spatial variations of metal content in TSP and PM10 in Mexico City during 1996–1998

Heavy Metal Content Variations in Total Suspended Particles and Sediment Dust in Zenica City During 11 Years Period 2006 – 2016.

“…The relationship between chemical elements in TSP and SD was assessed with the Pearson's coefficient of correlation r between their contents in the samples (Table 4.). It was qualitatively assumed that the absolute values of r between 0,3 and 0,7 indicate good association, and those between 0,7 and 1,0 strong association between elements [12]. If the coefficient between two metals is high, this means that the origin of emission for both metals is the same.…”

Concentrations of selected toxic elements in airborne particulates of Patras, Greece

“…In hierarchical order, (Cd, Ni), (TSP, Mn), (Cd, Mn) and (As, Ni) give the highest coefficients (0.791 to 0.565) at 0.01 significance level (2-tailed), while (Mn, Pb), (Cd, Pb), (Mn, Ni), (TSP, Pb) and (As, Cd) follow (0.453 to 0.429) and (TSP, As) shows negative coefficient (-0.465) at 0.05 significance level (2-tailed). (Mugica et al, 2002). Except other uses, Cd sulfide is used as a curing agent in tires (IARC, 1993).…”

“…Exposure to Ni and Ni compounds is via food, water and smoking and increases lung and nasal cancer risks (US EPA, 1999). The main route of population exposure to Pb is via air Pb content, but Pb in dust also contributes to an increase Pb uptake (Mugica et al, 2002;Siskos et al, 2001). …”

Modelado De Partículas Pm10 Y PM2.5 Mediante Redes Neuronales Artificiales Sobre Clima Tropical De San Francisco De Campeche, México

“…Tales son los casos de zonas metropolitanas como el Valle de México, Guadalajara y Monterrey. [11][12][13][14] Sin embargo, en la mayoría de las zonas provinciales de la República Mexicana, existe poca información al respecto, tal es el caso de la Ciudad de San Francisco de Campeche, capital del Estado de Campeche, la cual presenta un clima tropical húmedo 15 convirtiéndola en una locación idónea para la realización de estudios de evaluación temprana de calidad del aire. Así mismo, la ciudad es considera Patrimonio Cultural de la Humanidad por la UNESCO desde 1999, por lo que se pretende realizar un estudio sobre contaminantes atmosféricos y su relación con variables meteorológicas en la ciudad y evaluar los efectos de los aerosoles atmosféricos sobre la población y materiales de interés histórico-artístico.…”