Aboriginal Affairs and Northern Development Canada
www.aandc-aadnc.gc.ca
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AANDC
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Proactive Disclosure
Author: (Contaminants & Remediation Directorate)
Date: (January 2008)
PDF Version (3,479 Kb, 1 page)
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How much ROCK will it take
10 tonnes = 7 m3
1,000 tonnes = 700 m3
How much LIQUID is that?
19 litres = .019 m
3

10000 litres = 10 m
3

Really SMALL amounts
1 Part per million (
ppm): One drop in a bathtub

$1 in $1 Million

1 Part per billion (
ppb): One Drop in a Lake

1¢ in $10 Million

How DEEP is a mine?