02 NCAC 48B .0109 BORON INVESTIGATIONAL ALLOWANCES
The following investigational allowances shall be permitted:
Investigational Allowance
Boron Guarantee (Below Guarantee)
Percent Percent
Up to .019 .005
.02 to .029 .010
.03 to 10 .015
.11 to .20 .03
.21 to .30 .06
.31 to .50 .09
.51 and above .12
History Note: Authority G.S. 106‑673;
Eff. January 1, 1985;
Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. March 24, 2019.