Ga. Comp. R. & Regs. R. 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

Notes

Ga. Comp. R. & Regs. R. 40-31-2-.06

O.C.G.A. § 2-12-80.

Original Rule entitled "Elemental Concentration Limits" adopted. F. Dec. 7, 2022; eff. Dec. 27, 2022.