Chemical Identifier for Particulate Matter Monitoring in Construction Sites

Author(s):  
Javier Nunez ◽  
Robin Koldeweij ◽  
Joe Trimboli ◽  
Arjen Boersma
2022 ◽  
Vol 14 (1) ◽  
pp. 558
Author(s):  
Ingrid Priscylla Silva Araújo ◽  
Dayana Bastos Costa

Studies on particulate matter (PM) from construction activities are still at an early stage. Thus, there is still no consensus on standardized experimental methods for monitoring PM in construction sites, which impedes the advancement of knowledge on this subject. This work proposes guidelines for measuring and monitoring the concentration of suspended PM and the annoyance generated by sedimented particles on construction sites in urban areas. These guidelines aim to reduce the variability and uncertainties that exist during the PM sampling processes at construction sites. This study adopts a literature review strategy in order to update the available scientific literature based on empirical evidence obtained in experimental PM studies and relevant documents from government agencies. The proposed guidelines were applied in a study protocol for gravimetric monitoring PM and annoyance tracking generated by sedimented particles using sticky pads. As a result, this article details sampling techniques, procedures, and instruments, focusing on gravimetric sampling, highlighting their characteristics compared to other monitoring approaches. Additionally, it points out a series of parameters for the measurement and monitoring of PM. This paper seeks to support future researchers in this area, inform decision making for experimental sampling, and provide a benchmark for measuring and monitoring PM at construction sites.


2010 ◽  
Vol 37 (5) ◽  
pp. 787-795 ◽  
Author(s):  
Kuo-Tung Su ◽  
Yu-Min Chang ◽  
Wei-Hsing Hu ◽  
Shiao-Shing Chen ◽  
Chao-Hsiung Wu ◽  
...  

From an engineering application point of view in reducing fugitive particulate matter emissions, this paper presents experimental data comparing the efficiency of woven straw at reducing entrained emissions of particulate matter with diameters less than 10 µm (PM10) with that for particulate matter with diameters less than 2.5 µm (PM2.5) at construction sites. A series of field-analogous experiments were carried out to continuously measure PM10 and PM2.5 using laser particle monitors in an artificial wind tunnel system. It was found that the efficiency of woven straw at reducing either PM10 or PM2.5 is significantly dependent on the woven straw coverage ratio. The maximum reduction efficiencies for PM10 and PM2.5 are about 40% and 12%, respectively. Note that the reduction efficiencies approach zero as the coverage ratio is less than about 40%. Total elimination of PM2.5 and PM10 emissions is not possible, even using full-coverage woven straw. Reduction of PM2.5 emissions is less efficient than that of PM10 emissions using woven straw, and this trend is likely more obvious with an increase in the woven straw coverage ratio. The ratio of reduction efficiencies (R) between PM2.5 and PM10 for woven straw decreased slightly with an increase in the woven straw coverage ratio. Overall, for wind speeds of 0.5–3.0 m/s, silt contents of 4.8%–21.0%, and soil moisture contents of 10%–30% as used in this work, the average value of R is 0.31. The effects of wind velocity, silt content, and moisture content on the reduction efficiencies are also discussed.


2019 ◽  
Vol 11 (7) ◽  
pp. 1906 ◽  
Author(s):  
Hui Yan ◽  
Guoliang Ding ◽  
Hongyang Li ◽  
Yousong Wang ◽  
Lei Zhang ◽  
...  

Construction activities generate a large amount of dust and cause significant impacts on air quality of surrounding areas. Thus, revealing the characteristics of construction dust is crucial for finding the way of reducing its effects. To fully uncover the characteristics of construction dust affecting surrounding areas, this study selected seven representative construction sites in Qingyuan city, China as empirical cases for field evaluation. In the experiment, the up-downwind method was adopted to monitor and collect TSP (total suspended particulate), PM10 and PM2.5 (particulate matter ≤10 µm and 2.5 µm in aerodynamic diameter, respectively) concentrations, meteorological data and construction activities of each site for 2 to 3 days and 18 h in a day. The results show that the average daily construction site makes the surrounding areas’ concentration of TSP, PM10 and PM2.5 increase by 42.24%, 19.76% and 16.27%, respectively. The proportion of TSP, PM10 and PM2.5 in building construction dust is 1, 0.239 and 0.116, respectively. The large diameter particulate matter was the major constituent and the distance of its influence was limited. In addition, construction vehicles were one of the main influencing factors for building construction dust. However, building construction dust was not significantly correlated with any single meteorological factor when it did not change too much. Findings of this research can provide a valuable basis for reducing the impact of building construction dust on surrounding areas.


2021 ◽  
Vol 13 (20) ◽  
pp. 11428
Author(s):  
Hyunsik Kim ◽  
Sungho Tae

Particulate matter (PM) has caused serious environmental issues in Asia, and various policies for systematic management of PM based on evaluation of the characteristics of emissions are being discussed. In Korea, where the damage of PM from construction sites is severe, only regulatory policies according to the concentration are being implemented; however, there is no policy for the quantitative management of PM. Therefore, this study aimed to derive and propose an emission evaluation model to be used for the establishment of management policies for construction site PM emissions in South Korea by assuming structures as manufactured products. Therefore, this study derived a method of calculating the PM10, PM2.5, NOx, SOx, and VOCs emission factors for each type of equipment in construction sites and then estimated annual total emissions. In addition, this paper put forth a method for offsetting emission permission standards as the criteria for evaluating the adequacy of the estimated emissions. Finally, a model algorithm was proposed for evaluating emissions in advance during the construction planning phase by comparing the PM10, PM2.5, NOx, SOx, and VOCs emissions in construction sites with established standards; the supplementary point of the algorithm is discussed for further studies.


2021 ◽  
Vol 13 (24) ◽  
pp. 13792
Author(s):  
Jihwan Yang ◽  
Sungho Tae ◽  
Hyunsik Kim

In recent years, particulate matter (PM) has emerged as a major social issue in various industries, particularly in East Asia. PM not only causes various environmental, social, and economic problems but also has a large impact on public health. Thus, there is an urgent requirement for reducing PM emissions. In South Korea, the PM generated at construction sites in urban areas directly or indirectly causes various environmental problems in surrounding areas. Construction sites are considered a major source of PM that must be managed at the national level. Therefore, this study aims to develop a technology for predicting PM emissions at construction sites. First, the major sources of PM at construction sites are determined. Then, PM emission factors are calculated for each source. Furthermore, an algorithm is developed for calculating PM emissions on the basis of an emission factor database, and a system is built for predicting PM emissions at construction sites. The reliability of the proposed technology is evaluated through a case study. The technology is expected to be used for predicting potential PM emissions at construction sites before the start of construction.


2020 ◽  
Vol 12 (23) ◽  
pp. 9802
Author(s):  
Hyunsik Kim ◽  
Sungho Tae ◽  
Jihwan Yang

Recently, efforts to effectively reduce particulate matter by identifying its sources and trends have become necessary due to the sustained damage it has caused in East Asia. In the case of South Korea, damage due to fugitive dust generated at construction sites in densely populated downtown areas is significant, and particulate matter in such fugitive dust directly influences the health of nearby residents and construction workers. Accordingly, the purpose of the present study was to develop a method for calculating emission factors for PM10 and PM2.5 emission amounts in the fugitive dust generated in construction sites and to derive emission amount trends for major variables to predict the amounts of generated particulate matter. To this end, South Korean emission factors for PM10 and PM2.5 for different construction equipment and activities that generate fugitive dust were derived and a method for calculating the amount of particulate matter using the derived emission factors was proposed. In addition, the calculated total emissions using these factors were compared to those calculated using construction site fugitive dust equations developed for the United States, Europe, and South Korea, and the trend analysis of total emissions according to the major emission factor variables was conducted.


Author(s):  
Robert J.J ◽  
Chineke T.C ◽  
Chiemeka I.U

This study focused on analyses of particulate matter generated from construction at some selected building sites in Obio-Akpo Local Government Area (latitudes 4°45'N and 4°60'N and longitudes 6°50'E and 8°00'E) Nigeria. The method of sample collection was direct deposition method under gravity. The masses of particulate matter collected from two construction sites (sampling sites 1 and 2) and a residential building for sampling site 3(control) for a period of three weeks and two days (April 19th – May 10th, 2017) were 0.06g and 0.04g for sampling sites 1and 2, while  sampling site 3 being the control was 0.02g. The Atomic Absorption Spectroscopic analyses of the particulate matter samples revealed the presence of thirty three (33) elemental components which include; beryllium(Be), sodium (Na), magnesium(Mg), aluminium(Al), potassium(K),calcium(Ca), vanadium(V), chromium (Cr 52 & Cr 53), manganese(Mn), iron (Fe), cobalt(Co), nickel(Ni), copper(Cu), zinc(Zn), arsenic(As), molybdenum(Mo 95,& Mo 98), cadmium(Cd106,Cd108 & Cd 111), silver(Ag), indium(In), tin(Sn), antimony (Sb), barium(Ba), terbium(Tb), thallium(Tl), lead(Pb), bismuth(Bi), thorium(Th), and uranium(U). A good number of research works have shown that some of these elements constitute serious health problems to man when they are inhaled or ingested, hence the need for proper safety mechanisms to be put in place in order to protect construction workers and individuals living within the environment from their harmful effects.


2016 ◽  
Vol 142 (11) ◽  
pp. 05016004 ◽  
Author(s):  
Rita Jane Brito de Moraes ◽  
Dayana Bastos Costa ◽  
Ingrid Priscylla Silva Araújo

Urban Science ◽  
2018 ◽  
Vol 2 (4) ◽  
pp. 120 ◽  
Author(s):  
Jason Gilliland ◽  
Matthew Maltby ◽  
Xiaohong Xu ◽  
Isaac Luginaah ◽  
Tayyab Shah

Urban cyclists are exposed to many traffic-related air pollutants including particulate matter (PM) that may increase vulnerability to health effects. This study investigates second-by-second personal exposure to PM2.5 (fine particulate matter that is 2.5 microns in diameter and less) along bicycle commuting paths, and assesses elements of the natural and built environment for the relative importance of these factors in understanding the variability in PM2.5 personal exposure. Urban cyclists were carrying high resolution PM2.5 monitors (placed in a backpack) in combination with portable GPS trackers to provide a spatial identity to each one-second pollutant measurement. The results of this study indicate that daily averages of PM2.5 concentrations from all bicycle routes were weakly correlated with meteorological variables, however, a strong influence of regional levels of PM2.5 was observed. Geospatial analysis of PM2.5 personal exposure concentrations showed a considerable variation within routes, correlated with land use (with lower concentrations in parks and higher in industrial areas) and clustered at four areas: busiest bridge, heavily trafficked road segments, the downtown urban core, and two construction sites. This study has found many incidences of personal exposure to PM2.5 exceeding the provincial guidelines for healthy activity (e.g., very poor (PM2.5 > 91 μg/m3) pollution concentrations are clustered in three regions: approaching the bridge in the west part of the city; the downtown urban core; and two under construction spots), which suggests behavioural and infrastructure modifications in balancing the health benefits of cycling with the environmental exposure to air pollutants.


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