نتایج جستجو برای: hazard quotient

تعداد نتایج: 77295  

Background & Aim: Groundwater is a major source of drinking water in Zahedan city; however, its quality is affected by high human activities and leads to the increased level of nitrate. This study was conducted to evaluate the nitrate concentration in water resources compared to the standards and also evaluating its Non-Carcinogenic Risk (Hazard Quotient: HQ) in Zahedan city. Methods: In this ...

Journal: :iranian journal of toxicology 0
محمد ساکی زاده mohamad sakizadeh department of environmental sciences, shahid rajaee teacher training university, tehran, iran. روح الله میرزایی rouhollah mirzaei department of environmental sciences, university of kashan, kashan, iran.

background: in the current study,the hazard quotient, the hazard index (hi) and spatial variations of fe,mn,cu and cr in drinking water sources of andimesk-shush, khuzestan province, southern iranaquifer were assessed. methods: we compared theconcentrations of aforementioned heavy metals in wells and springs inandimeshk and shush regions. the non-carcinogenic risk assessment of heavy metals was...

Alikhani, Hosseinali, Baybordi , Ahmad, Golchin, Ahmad, Samani, Maryam,

Background and Aims: Heavy metals in atmospheric dust can enter the human body through ingestion, respiration and skin contact and cause various diseases. The aim of this study was to determine the concentration of lead, a heavy metal, in atmospheric dust and assess its health risk during the period between winter of 1397 and the fall of 1398 in regions 9, 10, 11 and 12 of Tehran Municipality, ...

Journal: :مجله علوم تکثیر و آبزی پروری 0
آفرین رستمی یار afarin rostamiyar ahwazاهواز ابوالفضل عسکری ساری abolfazl askari sari ahwaz branchاهواز

the aim of this study was to determine the concentration of copper and hazard quotient (hq) in muscle of the carp aquaculture fishes (common carp) (cyprinus carpio), grass carp (ctenopharyngodon idella), big head carp (aristichthys nobilis) and silver carp (hypophthalmichthys molitrix)] in khuzestan province. 108 pieces farmed fish sampled was prepared from the azadegan warm water fish culture ...

Journal: :Beni-Suef University Journal of Basic and Applied Sciences 2020

Journal: :Jurnal Ilmiah Perikanan dan Kelautan 2021

HighlightHeavy metals (Cu, Zn, Pb, and Cd) in the seawater, sediment, soft part of marine mussels were analyzedBioaccumulation Factor (BAF), Estimated Daily Intake Target Hazard Quotient (THQ) calculatedHeavy sediment found varying concentrationsHealth risk assessment indexes showed low values which means insignificant health hazardAbstractMarine are known as one biological indicators heavy pol...

Mortazavi, Samar , Norozi Fard, Parisa ,

Background and purpose: Considering the many benefits of fish in the food basket, it is essential to assess its health risk. The purpose of this study was to examine the risk assessment effects of heavy metals from Dez river fish. Materials and Methods: In order to determine the concentration of heavy metals in the edible parts of fish, 80 samples were caught from the local species of Dez Rive...

2018
Ziwei Ding Yang Li Qingye Sun Haojie Zhang

The quality and safety of agricultural products from metal mining areas are of wide concern. In order to investigate the contents and health risks of trace elements in fruit vegetables planted in metal mining areas, 440 samples of fruit vegetables from 117 vegetable plots were collected from Tongling mining area. Trace element contents in fruit vegetables and soil were measured. The results ind...

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