58 research outputs found
A review of nickel toxicity to marine and estuarine tropical biota with particular reference to the South East Asian and Melanesian region
Evaluation of Radon Pollution in Underground Parking Lots by Discomfort Index
Introduction Recent studies of public underground parking lots showed the influence of radon concentration and the probable discomfort caused by parking cars. Materials and Methods Radon concentration was measured in semi-closed public parking lots in the six governorates of Kuwait, using Durridge RAD7radon detector (USA). Results The peak radon concentration in the parking lots of Kuwait governorates was relatively higher during winter (63.15Bq/m3) compared to summer (41.73 Bq/m3). Radon in the evaluated parking lots revealed a mean annual absorbed dose (DRn: 0.02mSv/y) and annual effective dose (HE: 0.06mSv/y). Conclusion This study validated the influence of relative humidity and temperature as the major components of discomfort index (DI). The mean annual absorbed and effective dose of radon in the evaluated parking lots were found below the permissible limits. However, high radon DRn and HE were reported when the assessment included the parking lots, the surrounding residential apartments, and office premises. Furthermore, the time-series analysis indicated significant variations of the seasonal and site-wise distribution of radon concentrations in the indoor evaluated parking lots of the six Kuwait governorate
Assessment on Biocides Bioaccumulation in Mullet Liza klunzingeri in Kuwaiti Waters, off the Arabian Gulf
Trace Metals Toxicity to the Body Structures of Mullet Liza Klunzingeri (Mugilidae: Perciformes)
Rapid industrialization, installation of mega-desalination plants and
suspected trace metals discharges in the Kuwait marine environment
instigated us to determine the trace metals toxicity on the body
structures (first dorsal fin, otolith and scales) of the commercially
relished mullet fish, Liza Klunzingeri . 96 h toxicity test with Fe,
Cd, Ni, As, showed the body structure of L. klunzingeri to attain LOEC
(lowest observed effective concentration) at test concentrations of
10μg/L, 4.0μgL, 8.0μg/L and 2.0μg/L, respectively.
Observation revealed high metal concentrations in scales followed by
first dorsal fin and otolith irrespective of the sampling sites. Mean
bioaccumulation factor (BAF) in body structures was high in the
sequence of Ni> Fe > As >Cd. Trace metals bioaccumulation was
high in samples reared in Kuwait Bay than in the Kuwait coastal waters.
These findings supported evidences to body structures of L. klunzingeri
as an indicator to trace metal pollution besides its use for species
aging
Trace metal speciation in a wastewater wetland and its bioaccumulation in tilapia Oreochromis niloticus
Dispersion model and bioaccumulation factor validating trace metals in sea bream inhabiting wastewater drain outfalls
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