What Is the Most Realistic Advice for Reducing Lead Exposure

What is the most realistic advice for reducing lead exposure from the tap water used to prepare infant formula?

A) Because the lead in hot water pipes settles out overnight, draw the water from this source first.
B) Whenever possible, boil the water to vaporize the lead and thus decrease the amount remaining in the water.
C) Because the first water drawn from the tap each day is highest in lead, let the water run a few minutes before using it.
D) To inhibit lead absorption, add a small amount of citrus juice to the water to provide citric acid to complex with the lead.
E) Filtering the water through a clean coffee filter will typically remove the majority of lead contamination.