eG es

TABLE 2 - BRITISH COLUMBIA P.C.B. AMBIENT
AIR QUALITY OBJECTIVES

CONTAMINANT UNITS BEVELA: “SLEVEEGR 7sLEVEL BASIS

1. Sulphur pg/m? 53 80 Annual arith.
dioxide PPM 0.02 z 0.03 ti

p/m? 266 Max. 24 hour
PPM 0.10 tt

pig/m? N.A. Max. 3 hour
PPM N.A. : ; ut

fg /me 799 PA; oh: Max. 1 hour
PPM 0.30 -A. TAS Ms

2. Total 3 aa
Suspended pg/m3 Annual geom. ea
Particulate pg/m Max. 24 hr. (1) )
Matter a4 Annual geom. mean?

3. Dustfal] nigzeneyne 30 day residential

fonsAnis ine uM

moan sie 30 day other

ponent ime ie

p/m? micrograms per cubic meter
PPM parts per million
mg /eme ine milligrams per square centimeter / month

ne ;
tons/mi /mo tons per square mile per month

METHODS SPECIFIED:

1. Sulphur dioxide: Continuous analyzer, with supplemental sulphation
plates.

2. Total Suspended Particulate: High volume gravimetric

3. Dustfall: open top cannister gravimetric

FOOTNOTES
(1) including background values
(2) above background values