Georgia Code
Chapter 8 - Regulation of Blasting Operations Generally
§ 25-8-4. Blasting Standards; Formulas and Tables

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where W is the weight of explosive in pounds and D is the distance in feet to the nearest dwelling house, public building, school, church, or commercial or institutional building normally occupied.
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W = ( D )² 50
FORMULA
STANDARD TABLE OF DISTANCE Distance in Feet Weight in Pounds Distance in Feet Weight in Pounds 0-10 1/8 350 49 11-15 1/4 400 64 16-20 1/2 500 100 21-25 3/4 600 144 26-30 1.00 700 196 40 2.25 800 256 50 3.50 900 324 60 4.75 1000 400 70 6.00 1100 484 80 7.25 1200 576 90 8.50 1300 676 100 9.75 1400 784 110 11.0 1500 900 130 13.5 1600 1024 150 16.0 1700 1156 170 18.5 1800 1296 190 21.0 1900 1444 210 23.5 2000 1600 230 26.0 2500 2500 250 28.5 3000 3600 270 31.0 3500 4900 290 33.5 4000 6400 300 34.75 4500 8100
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W = ( Distance )² 50
FORMULA
History. Ga. L. 1978, p. 1624, § 4.