year. This downward trend was maintained at the
Benzo(s)anthracene as the largest on-site substance
industrial site (Bonney St.) until 1998, followed by a
released at 914 kg (2015 lbs);
reversed trend in the subsequent three years. The annual
Benzo(a)pyrene as the second released at 762 kg
means at the ambient site (Patrick St.) were variable from
(1680 lbs); and
1993 to 1996 and rather constant for the rest of the
Benzo(k)fluoranthene at 610 kg (1345 lbs).
reporting period at about 0.0003 to 0.0005 µg/m .
All three substances are classified as toxic/carcinogenic.
The frequency of exceedance of the 24-hour objective
was more pronounced at the industrial site with 20 to 80
Hydrochloric Acid is the only substance transferred
percent of the values exceeding it. At the ambient site,
for recycling for year 2000 at 278.83 tonnes (307.4
usually less than 10 percent of the samples were in non-
conformance of the objective. In the latter part of the
No substances were transferred for disposal.
decade, both sites showed improvements in the degree
Great Lakes Regional Air Toxics Emissions
Inventory - Sault Ste. Marie
Industries in Sault Ste. Marie, Ontario
Table 52 provides a summary of emissions data for the
St. Marys Paper Ltd. was built in 1900 and produces
Great Lakes Regional Air Toxics Emissions Inventory
specialty papers from ground wood pulp and purchased
(GLRATEI). This inventory collects data on county
kraft pulp (pulp processed with sulphur solution).
basis. Chippewa county was taken as suggestive of
Production was estimated to be 198,000 tonnes (218,300
Sault. Ste. Marie, MI and Algoma District includes Sault
tons) in 1997. By using the National Pollutant Release
Ste. Marie, ON (in northern Ontario, jurisdictions are
Inventory (NPRI) Data Search, the 2000 Facility Sub-
defined as Districts, not counties).
stance Summary for St. Marys Paper reflected:
Both the Chippewa County and Algoma District
zero on-site releases, transfers for disposal and
represent areas much larger than Sault Ste. Marie, MI
transfers for recycling for Ammonia and Phosphoric
and ON. The data are included to provide a general
impression of the amount of hazardous air pollutants
emitted from these areas. Additionally, caution should
22.50 kg (49.6 lbs) of Mercury and its compounds
be taken not to compare these emission rates between
(which are classified as toxic/carcinogenic) were
Chippewa County and Algoma District as the latter is
transferred for disposal in this year.
significantly larger in size and in population.
2000 data was limited and only available for Phos-
In comparing the data sets for Algoma District/Sault
phoric Acid, with no on-site releases, transfers for
Ste. Marie ON, one set from Environment Canada’s
disposal or transfers for recycling.
NPRI and the other from the Great Lakes Regional Air
Toxics Emissions Inventory, certain discrepancies are
The major point in Sault Ste. Marie is Algoma Steel Inc.
evident. The NPRI estimates annual benzo-a-pyrene
This company is Canada’s third largest integrated
emissions from the Algoma Steel facility in Sault, ON at
steelmaker. It produces two product lines, sheet and
762 kg (1680 lbs) per year, while the GLRATEI 1998
plate. During production, several pollutants (some
estimate for point source emissions of this contaminant
classified as toxic/carcinogenic) are released and/or
from the entire Algoma District is 0.36 lbs per year. In
transferred. The NPRI has collected data on these
this case, given the corroborating ambient measurements
releases for years 1994-2000.
in Sault Ste. Marie, ON, the NPRI estimate is the more
The NPRI Facility Substance Summary for Algoma Steel
Upon further discussion with Ontario MOE staff, it was
Inc. indicates for the year 2000:
reported that the arsenic emissions were from Algoma