Abagale FK, Sarpong DA, Ojediran JO, Osei-Agyemang R, Shaibu AG, Birteeb PT (2013). Heavy metal concentration in wastewater from car washing bays used for agriculture in the Tamale Metropolis, Ghana. International Journal of Current Research 5(06):1571-1576.

Akhionbare S, Ebe T, Akhionbare W, Chukwuocha N (2010). Heavy metal uptake by corn (Zea mays L.) grown in contaminated soil. Research Journal of Biological Sciences 6:993-997.

American Public Health Association (APHA) (1999). American water works association, Water environment federation. Standard methods of the examination of water and wastewater, 20thed. New York: American Public Health Association, APHA, AWWA, and WPCF.

Ayers RS, Westcot DW (1985). Water quality for agriculture. FAO Irrigation and Drainage Paper 29 (Rev. 1), FAO, Rome.

Bahiru BD, and Teju E (2019) Levels of some selected metals (Fe, Cu and Zn) in selected vegetables and soil around eastern industry zone, central Ethiopia. African Journal of Agricultural Research Journal of Natural Sciences 4(2):78-91.
Crossref

Bahiru BD, Teju E, Kebede T, Demissie N (2019). Levels of some toxic heavy metals (Cr, Cd and Pb) in selected vegetables and soil around eastern industry zone, central. African Journal of Agricultural Research Journal of Natural Sciences 14(2):92-101.
Crossref

Bainies J (1999). Dietary exposure assessments lead. Australia and New Zealand national assessments pp. 120-122.

Birtukan A, Gebregziabher B (2014). Determination the level of some heavy metals (Mn and Cu) in drinking water using wet digestion method of Adigrat Town. International Journal of Technology Enhancements and Emerging Engineering Research 2(10):32-36.

Chandra R, Bhargava RN, Yadav S, Mohan D (2009). Accumulation and distribution of toxic metals in wheat (Triticum aestivum L.) and Indian mustard (Brassica campestris L.) irrigated with distillery and tannery effluents. Journal of Hazardous Materials 162(2-3):1514-1521.
Crossref

Chishti KA, Khan FA, Hassan SSM (2011). Estimation of heavy metals in the seeds of blue and white capitalism's of silybum marianum grown in various districts of Pakistan. Journal of Basic and Applied Science 7(1):45-49.

David, AA, Terry P (2008). Limit of blank, limit of detection and limit of quantitation. Clinical Biochemist Review 29:49-52.

Deribachew B, Made M, Nigussie D, Taddesse AM (2015). Selected heavy metals in some vegetables produced through wastewater irrigation and their toxicological implications in Eastern Ethiopia. African Journal of Food, Nutritional and Development 15(3):10013-10032.

Duan T, Kang J, Chen H, Zeng X (2003). Determination of ultra-trace concentration of elements in high purity tellurium by inductively coupled plasma spectrometry after iron (III) hydroxide co precipitation. Journal of Spectrochemical act part B 58:1679-1685.
Crossref

Food and Agriculture Organization (FAO) (1985). Water Quality for Agriculture. Irrigation and drainage paper No. 29, Rev. 1. Food and agriculture organization of the United Nations, Rome.

Fuortes L, Schenck D (2000). Marked elevation of urinary zinc levels and pleural friction rub in metal fume fever. Veterinary and Human Toxicology 42(3):164-165.

Gebregeorgis AK (2016). Ethio-China economic relations: nature of China's foreign direct investment in Ethiopia. MSc thesis, Addis Ababa University, Addis Ababa, Ethiopia.

Hati KM, Biswas AK, Bandyopadhyay KK Misra AK (2007). Soil properties and crop yields on a vertisol in India with application of distillery effluent. Soil and Tillage Research 92(1-2):60-68.
Crossref

Helen LE, Othman OC (2014). Levels of selected heavy metals in soil, tomatoes and selected vegetables from Lushoto district-Tanzania. International Journal of Environmental Monitoring and Analysis 2(6):313-319.
Crossref

Hunt JR (2003). Bioavailability of iron, zinc, and other trace minerals from vegetarian diets. American Journal of Clinical Nutrition 78(3):6335-6395.
Crossref

Kedir H (2015). Chemical fractionation of some trace heavy metals (Cd, Cr, Cu and Pb) in some selected farm lands of Haramaya Woreda, Ethiopia. MSc. Graduate project, Haramaya University, Haramaya, Ethiopia.

Khaled A, Ola-Abdelwahab O, El-Sikaily A, El-Nemr A (2008). Treatment of wastewater containing toxic chromium using new activated carbon developed from date palm seed. Journal of Hazardous Materials 152:263-275.
Crossref

Muiruri MJ (2009). Determination of concentration of selected heavy metals in Tilapia fish, sediments and water from Mbagathi and Ruiru Athi river tributaries, Kenya. MSc thesis, Kenyatta University, Kenya.

Ogunleye IO, Izuagie AA (2013). Determination of heavy metal contents in some industrial effluents from Ondo State, Nigeria, Journal of Environmental Chemistry and Ecotoxicology 5(8):216-219.

Rath P, Pradhan G, Misra MK (2011). Effect of distillery spent wash (DSW) and fertilizer on growth and chlorophyll content of sugarcane (Saccharum officinarum L) plant. Recent Research in Science and Technology 3(4):169-176.

Rehman A, Ullah H, Khan RU, Ahmad I (2013). Population based study of heavy metals in medicinal plant Capparis decidua. International Journal of Pharmacy and Pharmaceutical Sciences, 5(1):108-113.

Sharma P, Dubey RS (2007). Involvement of oxidative stress and role of antioxidative defense systemin growing rice seedlings exposed to toxic concentrations of aluminum. Plant Cell Reports 26(11):2027-2038.
Crossref

Singh O, Kumar V, Raj SP (2005). Water quality aspects of some wells, rivers and springs in part of the Udhempur District (UK). Journal of Environmental and Engineering 47:25-32.

Tessema BT, Adane KY, Subodh K (2015). The physico-chemical studies of wastewater in Hawassa Textile Industry. Environmental Analytical Chemistry 2(4):1-6.

Tyagi R (2014). Assessment of the uptake of toxic heavy metals on cultivation of vegetables of family Solanaceae in contaminated soil. PhD Graduate Thesis University of Kota, Kota, Rajasthan.

United State Environmental Protection Agency (USEPA) (2010). Risk-based concentration table. United State Environmental Protection Agency, Washington, DC, USA.

World Health Organization (WHO) (2002). Water pollutants: Biological Agency Dissolved Chemicals, Nondissolved Chemicals, Sediments, Heat, WHOCEHA, Amman, Jordan.

World Health Organization (WHO) (2006). WHO Guidelines for the Safe use of wastewater, excreta and greywater. Vol. I: Policy and Regulatory Aspects. Vol. II: Wastewater Use in Agriculture. Vol. III: wastewater and excreta use in aquaculture. Vol. IV: excreta and Greywater use in agriculture. Geneva: World Health.

Waste Water Forum (WWF) (2007). Report on National Surface Water Classification Criteria, Irrigation water Quality Guidelines for Pakistan. February. Waste Water Forum Pakistan.

Yoon Y, Cao X, Zhou Q, Ma LQ (2006). Accumulation of Pb, Cu and Zn in native plants growing on a contaminated Florida site. Science of the Total Environment 368:456-464.
Crossref