2011-47. The updated rates are effective for per-diem allowances paid to any employee on or after Oct. 1, 2015, for travel away from home on or after that date, and supersede the rates in Notice 2014-57, which provided the rates for Oct. 1, 2014, through Sept. 30, 2015.Incidental expenses.igh/low substantiation method. For purposes of the high/low substantiation method, the per-diem rates are $275 for travel to any high-cost locality and $185 for travel to any other locality within the continental United States.
The World Health Organization (WHO) stated a legal limit of 50 ppb for lead in 1995, which is decreased to 10 ppb in 2010. In what way and in what form does lead react with water? Under normal conditions lead does not react with water. However, when lead comes in contact with moist air reactivity with water increases.
Airborne Lead Emissions in the U.S. - history of permissible levels. 1  0.15 mg/M3 - October 2008: The United States Environmental Protection Agency (EPA) announced new standards setting airborne lead particle exposure limits at 0.15 micrograms of lead per cubic meter of air.