Abstract
In 1970 the Phytotoxicology Section of the Air Management Branch initiated a pre-pollution background survey of the environmental situation in the Timmins area where Texas Gulf Sulphur was expected to construct an electrolytic zinc refinery near Hoyle (12 miles northeast of Timmins). In April 1972, the refinery began production, and during the 1972 growing season this new plant operated at a rate of 70 to 90% of the theoretical capacity. The refinery is located adjacent to the ore concentrator which has been operative since November 1966. During 1970, 1971, and 1972, Phytotoxicology personnel conducted an extensive program of environmental analysis and evaluation in the area. The information gathered to date indicates that within a 20 mile radius of the refinery, the condition of the vegetation (trees, shrubs, and ground flora) is similar to that existing in the control areas (number of species, number of plants, growth rate, crown condition etc.) which are located 50 miles from Hoyle. The lead peroxide candle survey showed that only background levels of sulfur dioxide were present in the ambient air both before and after the initiation of operations at the refinery. No SO/sub 2/ injury to vegetation has been observed in the Hoyle area.
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Citation Formats
Balsillie, D, and McGovern, P C.
Environmental studies in the Timmins area.
Canada: N. p.,
1973.
Web.
Balsillie, D, & McGovern, P C.
Environmental studies in the Timmins area.
Canada.
Balsillie, D, and McGovern, P C.
1973.
"Environmental studies in the Timmins area."
Canada.
@misc{etde_5943562,
title = {Environmental studies in the Timmins area}
author = {Balsillie, D, and McGovern, P C}
abstractNote = {In 1970 the Phytotoxicology Section of the Air Management Branch initiated a pre-pollution background survey of the environmental situation in the Timmins area where Texas Gulf Sulphur was expected to construct an electrolytic zinc refinery near Hoyle (12 miles northeast of Timmins). In April 1972, the refinery began production, and during the 1972 growing season this new plant operated at a rate of 70 to 90% of the theoretical capacity. The refinery is located adjacent to the ore concentrator which has been operative since November 1966. During 1970, 1971, and 1972, Phytotoxicology personnel conducted an extensive program of environmental analysis and evaluation in the area. The information gathered to date indicates that within a 20 mile radius of the refinery, the condition of the vegetation (trees, shrubs, and ground flora) is similar to that existing in the control areas (number of species, number of plants, growth rate, crown condition etc.) which are located 50 miles from Hoyle. The lead peroxide candle survey showed that only background levels of sulfur dioxide were present in the ambient air both before and after the initiation of operations at the refinery. No SO/sub 2/ injury to vegetation has been observed in the Hoyle area. Chemical analysis of the vegetation, soil, and water samples collected at twelve established plots in 1971 shows elevated levels of metals in the soil immediately to the east and northeast of Hoyle. These same metals were elevated also in the vegetation collected at plots 1 and 2, close to the plant. Further work is planned to determine the source of this contamination. 13 tables.}
place = {Canada}
year = {1973}
month = {Jan}
}
title = {Environmental studies in the Timmins area}
author = {Balsillie, D, and McGovern, P C}
abstractNote = {In 1970 the Phytotoxicology Section of the Air Management Branch initiated a pre-pollution background survey of the environmental situation in the Timmins area where Texas Gulf Sulphur was expected to construct an electrolytic zinc refinery near Hoyle (12 miles northeast of Timmins). In April 1972, the refinery began production, and during the 1972 growing season this new plant operated at a rate of 70 to 90% of the theoretical capacity. The refinery is located adjacent to the ore concentrator which has been operative since November 1966. During 1970, 1971, and 1972, Phytotoxicology personnel conducted an extensive program of environmental analysis and evaluation in the area. The information gathered to date indicates that within a 20 mile radius of the refinery, the condition of the vegetation (trees, shrubs, and ground flora) is similar to that existing in the control areas (number of species, number of plants, growth rate, crown condition etc.) which are located 50 miles from Hoyle. The lead peroxide candle survey showed that only background levels of sulfur dioxide were present in the ambient air both before and after the initiation of operations at the refinery. No SO/sub 2/ injury to vegetation has been observed in the Hoyle area. Chemical analysis of the vegetation, soil, and water samples collected at twelve established plots in 1971 shows elevated levels of metals in the soil immediately to the east and northeast of Hoyle. These same metals were elevated also in the vegetation collected at plots 1 and 2, close to the plant. Further work is planned to determine the source of this contamination. 13 tables.}
place = {Canada}
year = {1973}
month = {Jan}
}