نتایج جستجو برای: contamination index

تعداد نتایج: 446891  

2016
Seema Sharma Geeta Sumbali Vishal Sharma

This investigation was designed to throw light on the microbial status of some herbal materials used in ‘triphala preparation’. Dried fruit samples of Phyllanthus emblica (Amla), Terminalia belerica (Baheda) and Terminalia chebula (Harada) were collected from random market sources of Jammu & Kashmir state (India). Mycological analysis was carried out for the detection and enumeration of fungi u...

2011

Background The Sediment Quality Objectives (SQO) indirect effects assessment determines whether sediments meet California’s narrative SQO for human health: Pollutants shall not be present in sediments at levels that will bioaccumulate in aquatic life to levels that are harmful to human health. This program determines whether sediment contamination at a site results in an unacceptable health ris...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2015
Loren G Miller Samantha J Eells Michael Z David Nancy Ortiz Alexis R Taylor Neha Kumar Denise Cruz Susan Boyle-Vavra Robert S Daum

BACKGROUND Many patients suffer from recurrent Staphylococcus aureus infections, but there are few data examining recurrence predictors. METHODS We followed adults and children after treatment for S. aureus skin infections and their household contacts in Los Angeles and Chicago. We surveyed subjects for S. aureus body colonization, household fomite contamination, and behavioral and clinical f...

2004
Carl Steidley Ray Bachnak Wien Lohatchit Alexey L. Sadovski Cody Ross

Water quality data collection in shallow water areas can be a challenging task. Obstacles encountered in such environments include difficulty in covering large territories and the presence of inaccessible areas due to a variety of reasons such as a soft bottom or contamination. There is also a high probability of disturbing the test area while placing the sensors. This paper describes a NASA-fu...

Journal: :محیط شناسی 0
الهه محمودزاده دانشجوی کارشناسی ارشد علوم محیط زیست دانشگاه آزاد اسلامی واحد علوم و تحقیقات خوزستان سحر رضایان استادیار گروه محیط زیست دانشگاه آزاد اسلامی واحد شاهرود آزاده احمدی استادیار دانشکده مهندسی عمران دانشگاه صنعتی اصفهان

introduction one of the most vulnerable water resources against contamination is ground water table. these resources are exposed to contamination in various forms. identifying and controlling contamination in these resources are more difficult and costly than surface waters. also because of the persistence of contamination in these resources, the best way to prevent their contamination is to id...

Altogether 20 groundwater samples were collected around the Lakan Pb and Zn mine in Iran. Samples were analyzed for 8 constituents including Fe, Pb, Hg, Mn, Zn, CN, SO4 and Cl using standard method. The results show that the average concentrations of constituents were 0.01, 0.60, 0.10, 0.01, 0.40, 35, 0.01 and 5.95 mg/kg for Fe, Mn, Pb, Zn, Hg, SO4, CN and Cl, respectively. The computed contami...

ژورنال: سلامت و محیط زیست 2018

Background and Objective: The establishment of pelletizing and steel industries in Ardakan suburbs has increased the pollutants such as heavy metals into the environment. The purpose of this study was to investigate the contamination of the area soil by heavy elements around these industries using the pollution index (PI), comprehensive pollution index (NIPI), accumulation index (Igeo) and enri...

2003

Atrazine has been identified in at least 20 of the 1,636 hazardous waste sites that have been proposed for inclusion on the EPA National Priorities List (NPL) (HazDat 2003). However, the number of sites evaluated for atrazine is not known. The frequency for these sites within the United States can be seen in Figure 6-1. Of these sites, all 20 are located within the United States and none are lo...

Journal: :Environmental science and pollution research international 2015
Qingli Cheng Ruiling Wang Wenhai Huang Wenlin Wang Xudong Li

The Yellow River Wetland National Nature Reserve (the Sanmenxia section) is an important area of the Yellow River for two important hydrologic gauging stations: the Sanmenxia reservoir and the Xiaolangdi reservoir. Seven sites along the section were selected: Jiziling, Dinghuwan, Houdi, Canglonghu, Shangcun, Wangguan, and Nancun. After the microwave digestion with aqua regia, concentrations of ...

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