2)

of

APPENDIX D - SUMMARIZED MONITORING DATA (CONT.) Page 3

AMBIENT AIR QUALITY - Geometric Mean Values.

UNITS 1974

t/mi2/mo

H1974 to 1976
| INCLUSIVE

MEAN
REDUCTION

} PARAMETER

fa) Total Dustfall

- Site 0451001
- Site 0451002
- Site 0451003
- Site 0451004

'b) Suspended .
Particulate

- Site 0451001
- Site 0451002
- Site 0451003
- Site 0451004

fc) Sulphation Index
- Site 0451001
- Site 0451002
- Site 0451004

d) Particle Size Distribution data was obtained in 1974 at site 0451003.

Geometric mean values in pag/m> were as follows

Particle Size Wt. Percent
in Microns G. Mean of Total.

77.24
16.26
S273
5205
Tone

e) Ambient Air Fibre Concentrations - Geometric Mean Values (period December 1976

to June 1977

- Site 0451001 : 0.022 fibres per cubic centimeter
- Site 0451002 : 0.018 fibres per cubic centimeter
- Site 0451003 : 0.042 fibres per cubic centimeter
- Site 0451004 : 0.024 fibres per cubic centimeter