Toxic Environmental Parameters in Water Samples from some aquatic wetlands southern  Iraq.

J. M. Al-Imarah, F.; Q. M. Al-Salman Al-Mayahy, And; Abdul Hussain, A.S.

	Toxic Environmental Parameters in Water Samples from some aquatic wetlands southern Iraq.
basrah journal of science
Article 1, Volume 28, Issue 2, 2010, Pages 253-261 PDF (0 K)
Authors
F. J. M. Al-Imarah; and Q. M. Al-Salman Al-Mayahy; A.S. Abdul Hussain
Abstract
In this study, estimation has done for some toxic elements; Phosphorus(P), Arsenic(As), Cadmium (Cd), Mercury(Hg) and Lead(Pb), as well as pH, conductivity(EC), Total Dissolved Solids (TDS) and Chloride (Cl-) in the waters of 4 sites in Shatt Al-Arab River(1- Ashar, 2-Sehan, 3-Seebah and 4-Fao), in addition to another three sites, 5- Al-Hewaizah Marsh, 6- Water supply for fish lake and 7- Tigris River. All of these sites represent sources for multi uses waters. High value of total phosphorous 0.4 mg/l was recorded in Fao station 4 and 0.5 mg/l in Al-Hewaizah marsh station 5, Mercury ranged between 0.003 mg/l in station 7 and 0.0062 mg/l in station 6. For Arsenic lower value was recorded as 0.002 mg/l in station 7, and higher values as 0.52 mg/l in station 3. For cadmium values recorded were in the same trend as Arsenic, lower values as 0.00003 mg/l in station 5 and higher value as 0.007 mg/l in station 4, while levels of Lead were alternative with lower value of 0.006 mg/l in station 3 , and as higher as 0.0216 mg/l in station 7. pH values reported ranged between 7.52 and 7.88 in stations 5 and 6 respectively. Conductivity and TDS as well as chloride were coincide as higher values recorded in the water of Shatt Al-Arab river, stations 1-4 (11860 – 47700 µS/cm, 11500 – 40300 mg/l and 5690 – 31670 mg/l) respectively due to the effect of water from Arabian Gulf during high tide as well as station 6 ( 30900 µS/cm, 27250 mg/l and 17900 mg/l) respectively and lower values in ( 575 µS/cm, 390 mg/l and 97 mg/l) respectively in station 7. Taking in consideration that the permissible levels set by WHO and USEPA for major parameters within this study are 0.06 – 0.12 mg/l for phosphorous, 0.00001 mg/l for arsenic, 0.00025 – 0.002 mg/l for cadmium, 0.00077 – 0.0014 mg/l for mercury and 0.05 mg/l for lead.

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