Thus, as an event marker of 1950s water in soil and ground water, < sup > 36 </ sup > Cl is also useful for dating waters less than 50 years before the present.
Thus, as an event marker of 1950s water in soil and ground water, < sup > 36 </ sup > Cl is also useful for dating waters less than 50 years before the present.
0.003 seconds.