1 Stir the heavy cream into the ice cream base.  Chill completely: Leave the ice cream base over the ice water bath, stirring occasionally, until it's completely chilled. This will take about 20 minutes. Alternatively, cover the bowl with the base and chill in the fridge for 3 hours or overnight.
Two other sources of arsenic, especially of some concern for children, is arsenic in groundwater and subsequently, in rice that is grown in such groundwater. Rice is a common food for children but to date, there are no regulations about the levels of arsenic that are considered safe for consumption.
If the arsenic level in your well is above 10 Âµg/l (the federal standard) , stop drinking the water and use bottled water or water from another âsafeâ source (e.g., a public water supply known to have low arsenic levels).s many as 30,000 private wells in northeastern Wisconsin could contain arsenic levels in excess of 5 Âµg/l. Based on sampling results from public water systems, 73 wells serving the public exceed 10 Âµg/l. Arsenic levels between 5-10 Âµg/l warrant concern as there is a risk these levels may increase over time.