Ga. Comp. R. & Regs. r. 40-31-2-.06
Rule 40-31-2-.06. Elemental Concentration Limits
(1) Registrants and product control contractors must ensure that IBD soil amendments they distribute, transport, store, or apply comply with the following elemental ceiling concentration limits:
Element Ceiling Concentration (mg/kg) (dry weight basis) Arsenic 75 Cadmium 85 Copper 4300 Lead 840 Mercury 57 Molybdenum 75 Nickel 420 Selenium 100 Zinc 7500
(2) Registrants and product control contractors must ensure that IBD soil amendments they distribute, transport, store, or apply to agricultural land or sites likely to result in contact with the public comply with the following monthly average elemental concentration limits:
Element Monthly Average Concentrations (mg/kg) (dry weight basis) Arsenic 41 Cadmium 39 Copper 1500 Lead 300 Mercury 17 Nickel 420 Selenium 100 Zinc 2800
(3) If the elemental concentration limits in Ga. Comp. R. and Regs. r. 40-31-2-.06(2) cannot be met where IBD soil amendments are applied to agricultural land or sites likely to result in contact with the public, registrants and product control contractors must instead ensure that IBD soil amendments they distribute, transport, store, or apply to agricultural land or sites likely to result in contact with the public comply with the following annual elemental loading rates:
Element Annual Elemental Loading Rate (lbs/acre) Arsenic 1.8 Cadmium 1.7 Copper 67 Lead 13 Mercury 0.76 Nickel 19 Selenium 4.5 Zinc 125
Authority: O.C.G.A. § 2-12-80.
History. Original Rule entitled "Elemental Concentration Limits" adopted. F. Dec. 7, 2022; eff. Dec. 27, 2022.