Definition of Acid drainage


Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity, discharged from an active, inactive, or abandoned surface coal mining and reclamation operation or from an area affected by surface coal mining and reclamation operations.


Acid drainage means the flow of acid water resulting from a surface mining operation.

Acid drainage means surface drainage, underground drainage or mine water which –

Examples of Acid drainage in a sentence

As used in this chapter, the following terms have the specified meanings, except where otherwise indicated: Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity, discharged from an active, inactive or abandoned surface coal mine and reclamation operation or from an area affected by surface coal mining and reclamation operations.
As used in this chapter, the following terms have the specified meanings, ex- cept where otherwise indicated: Acid drainage means water with a pH of less than 6.0 and in which total acid- ity exceeds total alkalinity, discharged from an active, inactive or abandoned surface coal mine and reclamation op- eration or from an area affected by sur- face coal mining and reclamation oper- ations.
As used throughout the initial regu- latory program the following terms have the specified meanings unless oth- erwise indicated: Acid drainage means water with a pH of less than 6.0 discharged from active VerDate Sep<11>2014 16:03 Aug 05, 2016 Jkt 238127 PO 00000 Frm 00063 Fmt 8010 Sfmt 8010 Q:\30\30V3.TXT 31lp ow el l o n D S K 54 D X V N 1O F R w ith $ $_ JO B 54 30 CFR Ch. VII (7–1–16 Edition) § 710.5 or abandoned mines and from areas af- fected by coal mining operations.
Acid drainage and leaks of cyanide-bearing processing solutions from the site threaten the Alamosa River.
Acid drainage at Eagle Mine resulted from precipitation flowing through the waste piles that accumulated from nearly 100 years of mining.



More definitions of Acid drainage

Acid drainage means water wilh a pH of less than 6.0 discharged from active or abandoned mines and from areas af­ fected by coal mining operations.


Acid drainage means water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity,