1 In general, the total dissolved solids concentration is the sum of the cations (positively charged) and anions (negatively charged) ions in the water.  Parts per Million (ppm) is the weight-to-weight ratio of any ion to water.
If you refrigerate the rice, and you want to eat it cold, its perfectly fine. People eat cold rice salads all the time. Cold rice pudding is fine. Its just sitting around at room temperature that is the problem.
Csection on Sat morn, what to eat/not eat night before? I found out yesterday afternoon that I need c-section and am scheduled for Sat @ 9am. As this wasnt part of the plan - we were hoping for au natural, I havnt a clue what I should or shouldnt be eating the day/night before.