Page 428 - Fundamentals of Air Pollution 3E

TABLE 22-9
Federal Air Quality Objectives in Canada

Desirable Acceptable Tolerable
3
Air contaminant (/Ag m ) range range range
Sulfur dioxide
1-hr average 0-450 450-900 —
24-hr average 0-150 150-300 300-800
Annual arithmetic mean 0-30 30-60 —
Suspended particulates
24-hr average — 0-120 120-400
Annual geometric mean 0-60 60-70 __
Oxidants (ozone)
1-hr average 0-100 100-160 160-300
24-hr average 0-30 30-50 _
Annual arithmetic mean — 0-30 —
Nitrogen dioxide
1-hr average — 0-400 400-1000
24-hr average — 0-200 —
Annual arithmetic mean 0-60 60-100 —
Hydrogen sulfide
1-hr average 0-1 1-15 __
24-hr average — - 0-5 _
Hydrogen fluoride
24-hr average 0-0.40 0.40-0.85" —
7-day average 0-0.20 0.20-0.55° —
30-day average — 0-0.35" __
70-day average — 0-0.20" —
3
Carbon monoxide (mg irT )
1-hr average 0-15 15-35 _
8-hr average 0-6 6-15 15-20
" Proposed.
Source: Air Pollution Control Association, "1981-1982 APCA Directory and Resource Book"
(special anniversary edition). Adapted from "Air Quality Objectives, Criteria and Regulations
in Canada," Pittsburgh, 1981, pp. 160-161.

TABLE 22-10
Air Quality Standards for Selected Pollutants in Several Countries of the World, mg m~
Carbon Nitrogen Suspended Sulfur
Country monoxide oxides particulate oxides
Australia 10/1 hr 0.320/1 hr 0.09/1 yr 0.06/1 yr
Finland 30/1 hr 0.300/1 hr 0. 150/24 hr 0.5/1 hr
10/8 hr 0. 150/24 hr 0.060/yr 0.2/24 hr
0.04/yr
Italy 0.200/1 hr 0. 150/24 hr 0.080/yr
Japan 11.1/8 hr 0. 100/24 hr 0.20/1 hr 0.3/1 hr
0. 10/24 hr 0. 12/24 hr
The Netherlands 40/1 hr 0.135/1 hr 0.1 50/24 hr 0.83/1 hr
6/8 hr 0.25/24 hr
Source: Adapted from: IUAPPA, "Clean Air Around the World," Brighton, England, 1988.