Table A11 Sample pH values
From: Acid rain
Example | pHa |
|---|---|
Neutral solution | 7.0 |
 Natural rainfall | 5.6 |
Lethal to most fish | 4.5 |
 Average rainfall (NE USA) | 4.4 |
Acidity of tomato juice | 4.3 |
 Rainfall at Toronto, Canada (February 1979) | 3.5 |
Acidity of lemon juice | 2.2 |
 Rainfall at Mount Mitchell, NC (July 1986) | 2.2 |
Battery acid | 1.1 |