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Clean-up of lead contaminated sites - the Ontario experience

Conference · · Trace Subst. Environ. Health; (United States)
OSTI ID:6033337
; ;
Toronto Health Department testing of children residing near one of the smelters has continued to reveal a number of instances of elevated blood lead levels although levels have decreased significantly since the mid-1970's. Air lead emissions from the smelter have been controlled to the point where excursions of the 5 ug/m/sup 3/ Ontario ambient air quality criterion are infrequent. City of Toronto health authorities have expressed the concern that soil lead levels above 1000 ug/g may be associated with elevated blood lead levels in children. In response to this concern, the Ontario Ministry of the Environment conducted soil sampling on 389 residential properties near the smelter in 1985. The Phytoxicology Section of the Ontario Ministry of the Environment has recently recommended soil clean-up levels of lead and other metals for the decommissioning and redevelopment of industrially-contaminated sites. The recommended soil clean-up levels for lead are 1000 ug/g and 500 ug/g for industrial and residential redevelopment, respectively. The 500 ug/g residential clean-up criterion has been applied to the clean-up of land contaminated by an abandoned tannery and lead smelter complex in the city of Kingston, Ontario. 34 references, 4 tables.
Research Organization:
Ontario Ministry of the Environment, Toronto
OSTI ID:
6033337
Report Number(s):
CONF-860626-
Conference Information:
Journal Name: Trace Subst. Environ. Health; (United States)
Country of Publication:
United States
Language:
English

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Related Subjects

510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
510500 -- Environment
Terrestrial-- Site Resource & Use Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
CANADA
CONTAMINATION
ECOLOGICAL CONCENTRATION
ELEMENTS
ENVIRONMENTAL EFFECTS
HAZARDS
HEALTH HAZARDS
LAND POLLUTION
LAND RECLAMATION
LEAD
METALS
NORTH AMERICA
ONTARIO
POLLUTION
SMELTERS
SOILS