The choice of diluent is dependent upon the extent of neurolysis desired. The use of higher concentrations of phenol might predispose to a higher incidence of vascular injury. Shelf life exceeds one year when the solution is refrigerated and not exposed to light.
You asked whether a person can get a modification of a child support order that is nearly 20 years old to increase the time period for paying child support by requiring payment until the child reaches an age beyond the age specified in the original order.
19 years of age unless otherwise emancipated. Emancipation occurs and child support terminates without either party filing a motion when the last or only child turns 19 unless, the child is still in high school or an equivalent program, support continues until the end of the month following graduation.