Better get and read a copy of Superman's Not Coming, by Erin Brockovich. Not to mention "dilution is the solution" is a complete fallicy. Not polluting in the first place and proper recycling are the way to proceed.
Not a proper method. Eventually this can migrate into ground water. This is well water people use to wash with, cook and drink.
In 1963 the understanding was not there to comprehend the consequences.
