Air quality monitoring for the following pollutants is not
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Sault Ste. Marie, Michigan
collected in Sault Ste. Marie, Michigan: Sulpur dioxide;
Nitrogen dioxide; Total Reduced Sulphur; ground level
The city of  Sault Ste. Marie, Michigan situated on the
ozone, and coarse/inhalable particulate matter.
south side of  St. Mary’s River, receives winds from a
north, slightly west direction and from the east, slightly
Fine/Respirable Particulate Matter (PM )
south direction.  Winds from the north direction would
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carry emissions from the more industrialized areas of
Monitors have been installed to determine the levels of
Sault Ste. Marie, Ontario.
respirable particulate near the Algoma Steel facilities.
and chemical
One of  the monitors provides PM
At present, Sault Ste. Marie Michigan does not have an
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speciation.  Its purpose is to determine PM  constitu-
extensive air quality monitoring network.  In fact, only
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ents, allow assessment of  trends and develop mitigation
recently the area, as part of  a co-operative study involv-
approaches to reduce ambient aerosol emissions.
ing U.S. EPA, Environment Canada, the State of
Monitoring began recently in February 2001; as a result
Michigan and the Sault Michigan Inter-Tribal Council,
limited data are available.
initiated an air monitoring program to determine any
impacts from the industries in Sault Ste. Marie, Ontario,
particularly Algoma Steel.  Two monitoring sites have
been established to collect data on fine particulate
matter only (PM ).
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3
Concentrations, 2001 (Annual Mean, rounded to nearest 0.1 µg/m )
TABLE 54
Annual Mean PM
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Station Name and Number
2001
260330901*
Sault Ste. Marie Tribal #1
8.2
260330901*
Sault Ste. Marie Tribal #2
7.9
260330902
Sault Ste. Marie Tribal
7.9
*Station 260330901 obtained two measurements
NOTE: Calculating the annual arithmetic mean to determine attainment status, the annual average of  the quarterly
3
PM  mean concentrations over three years.  This result must be less than or equal to 15 µg/m .  More data are
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necessary to determine PM  attainment levels in Sault Ste. Marie, Michigan.
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th
TABLE 55
Twenty-four Hour 98  Percentile PM  Concentrations, 2001
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3
(Annual Mean, rounded to nearest 0.1 µg/m )
Station Name and Number
2001
260330901*
Sault Ste. Marie Tribal #1
28
260330901*
Sault Ste. Marie Tribal #2
25
260330902
Sault Ste. Marie Tribal
28
*Station 260330901 obtained two measurements
3
th
NOTE: To be in attainment of  the proposed US-NAAQS of  65 µg/m , the 3-year average of  the 98  percentile 24-
hour concentration must be less than or equal to the standard.  Additional data are required to determine the status
of  Sault Ste. Marie, Michigan.
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