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The specimens were oven dried for 60 h in an air-circulating oven operated with 108 °C before being immersed in the constant temperature water bath, which the distilled water was set at 40 °C for the moisture absorption behavior test for 33 days.
A long-range minimum quality goal or general precautionary value for all PFCs in drinking water was set at ≤ 0.1 μg/L [22].
The MCL for nitrate in drinking water was set at 10 mg/L nitrate nitrogen (NO3 N) or 45 mg/L nitrate (NO3−), on the basis of 214 methemoglobinemia cases reported to the American Public Health Association for which nitrate concentration data were available (Walton 1951).
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The temperature of the water is set at 10 °C.
When the source of drinking water was exclusively well water or bottled water, the exposure levels for drinking water were set at zero.
Kozísek has already proposed that levels of calcium and magnesium in drinking water be set at 40 80 mg/L and 20 30 mg/L, respectively.
Health-based guidelines for the maximum level of manganese in drinking water are set at 300 μg/L by the U.S. Environmental Protection Agency EPAA) (2004) and at 400 μg/L by the World Health Organization (WHO) (2008).
Based on the thorough study of electrolysis enrichment, gas liquid phase catalytic exchange, gas chromatography for hydrogen isotope separation, and hydrogen oxygen recombination technologies, a CECE GC prototype system with disposal capability of 10 ton/a of tritiated water was set up in the middle of 2004 at China Academy of Engineering Physics CAEPP).
The initial soil water content was set at 30% depletion of the readily available water on the day of sowing.
Water removal was set at 50, 60, 70, 80, 90, and 95% from its original water content (93.8%).
The threshold distance around each water source was set at 500 m, representing a plausible community area serviced by the water source and also maximizing the absolute value of the clustering statistic (Local Moran's I) for all water points.
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