Best Answer: An anion gap is the sum of routinely measured cations minus the routinely measured anions in blood. It is measured because it is often the first laboratory sign of an acid-base disorder. The normal range is 5 - 16 mmol/L.
Boil water notices are typically issued when an unexpected condition has caused a potential for biological contamination of water in a public water system. Common reasons for a boil water notice include loss of pressure in the distribution system, loss of disinfection, and other unexpected water quality problems. These often result from other events such as water line breaks, treatment disruptions, power outages and floods.
Rule 45(a)(4) is added to highlight and slightly modify a notice requirement first included in the rule in 1991. Under the 1991 amendments, Rule 45(b)(1) required prior notice of the service of a documents only subpoena to the other parties.