... mg/l, the WHO guideline value of DEHP for drinking water quality, and 0.06 mg/l, the guideline value for monitoring items in Japanese drinking water standard, though these guideline values were ... treated water. KEYWORDS Bisphenol; DEHP; drinking water; Endocrine disrupting chemicals; pesticides INTRODUCTION Synthetic chemicals having hormone-like effects incr...
Ngày tải lên: 05/09/2013, 08:40
... collecting, storing and treating the water for domestic use. • Rain water: is used as one of favorite drinking water sources, special in the rural and suburban areas. In the urban places, rain water ... its inhabitants. For drinking water, there are 3 sources, i.e. rain water, surface water and ground water. Depending on the location and the periods of the year as wel...
Ngày tải lên: 20/12/2013, 19:15
Volatile Organic Compounds in the Nation’s Ground Water and Drinking-Water Supply Wells pdf
... typically focus on drinking water delivered to the public. Major findings that may be most relevant to the man- agement and monitoring of the Nation’s ground water and drinking- water supply wells ... identifying the most commonly occurring chemical mixtures in samples from drinking- water supply wells. • • Water that has been chlorinated or exposed to household products co...
Ngày tải lên: 14/03/2014, 19:20
Poisoning the Well: How the EPA is Ignoring Atrazine Contamination in Surface and Drinking Water in the Central United States pot
... of atrazine as well as the presence of atrazine in drinking water. Under the Safe Drinking Water Act (SDWA), the EPA has determined that no more than 3 parts per billion (ppb) of atrazine (as ... reduced. Poisoning the Well: How the EPA is Ignoring Atrazine Contamination in Surface and Drinking Water in the Central United States Atrazine concentration (ppb) Watershed na...
Ngày tải lên: 15/03/2014, 10:20
Drinking water quality in rural India: Issues and approaches docx
... 6000 433 E: wateraid@wateraid.org W: www.wateraid.org Drinking water quality Drinking water quality in rural India: Issues and approaches Background Paper Photo credit: WaterAid / Marco ... to safe water and sanitation. Charity registration number 288701. T: 0845 6000 433 E: wateraid@wateraid.org W: www.wateraid.org Drinking water quality Drinking water quality i...
Ngày tải lên: 15/03/2014, 16:20
arsenic contamination in soils, water and plants
... 0.3 mg/kg in plants and 0.001-0.01 mg/l in surface water. Contamination in soils and plants were found higher much larger than those in surface water flown from the tailing of gold mining disposal ... use management in near future, the samples of top soils, water and plants were collected from the surrounding area of Gold Mine, within watershed covering gold mine and nearby...
Ngày tải lên: 25/04/2013, 08:21
Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body
... Abstract In Japan, Kasumigaura Lake, Biawako Lake and many other closed water bodies are very serious in water quality. We attribute the water pollution to that the suspended solids flow into closed ... were applied. These technologies were combined in developing a novel system for the purification of lake water. HRT was 10 minute, and 40 ton/d of lake water was treated. T...
Ngày tải lên: 05/09/2013, 08:40
NOVEL RESTORATION TECHNOLOGY FOR PUZRIFICATION OF WATER QUALITY IN CLOSED WATER BODY BY HIGH CONCENTRATED OXYGEN WATER
... oxygen water on the bottom sediment lie in the following two aspects. First, oxygen changes the anaerobic surroundings into aerobic ones so the phosphorus release is inhibited. Second, keeping ... developed, the optimum running condition of the equipment and the method of making high concentrated oxygen water was discussed in this study. In addition, the inhibition of phospho...
Ngày tải lên: 05/09/2013, 08:40
Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling
... for drinking water (Satsuta et al., 2001; Warburton, 1993). Therefore, many scientists have proposed alternative methods to chlorine inactivation to inactivate microorganisms in drinking water, ... method for inactivating microorganisms in drinking water. In addition, we aim to investigate the effect of the SC-CO 2 treatment with regard to structural damage and enzyme ina...
Ngày tải lên: 05/09/2013, 09:38
Annual and Diurnal Profiles of Cryptosporidium and Giardia in River Water in Japan
... monitoring of protozoans was performed in tributary rivers of the Tone River basin in Japan where the surface water is utilized for the main production of drinking water for people living in the ... waterborne infectious protozoans, in river water which is used for drinking water sources in Japan. To investigate the annual profiles, 84 river water samples were colle...
Ngày tải lên: 05/09/2013, 10:17