Annual Report 2010-2011 National Environment Protection Council
Tabled paper 1729
Tabled papers for 11th Assembly 2008 - 2012; Tabled papers; ParliamentNT
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National Environmental Protection Council annual report 2 0 1 0 2 0 1 196 Ta s A IR T O X IC S Tasmania Report to the NEPC on the implementation of the National Environment Protection (Air Toxics) Measure for Tasmania by the Hon. Brian Wightman MP, Minister for Environment, Parks and Heritage, for the reporting year ended 30 June 2011. Identification of sites Fourteen stage 2 sites were identified in a desktop analysis in 2005 that was conducted according to the Air Toxics NEPM Desktop Analysis protocol. Monitoring at five of the 14 sites was undertaken in the period 2008 to 2009. An additional two of these sites were monitored in 2010. Additional air toxics monitoring was undertaken to determine: the effect of domestic wood smoke on air toxic concentrations at New Norfolk the effect of emissions associated with motor vehicles on air toxics concentrations in Hobart at Clearys Gates PAH concentration at Rowella in the Tamar Valley as an extension of a baseline study associated with a proposed pulp mill. PART 1 IMPLEMENTATION OF THE NEPM AND ANY SIGNIFICANT ISSUES Tasmania has adopted a staged approach to the monitoring of air toxics. Preliminary screening monitoring is undertaken initially. If levels approaching the Air Toxics NEPM Monitoring Investigation Levels are detected using the screening techniques, then additional monitoring using the NEPM reference methods would be conducted to confirm the findings. Otherwise the program will progress to other sites that have not been monitored to date. PART 2 ASSESSMENT OF NEPM EFFECTIVENESS The monitoring conducted has improved the information base regarding ambient concentration of air toxics within Tasmania. Table 1: Stage 2 sites and proposed monitoring program Location of stage 2 sites MGA easting (km) MGA northing (km) GDA94 Air toxics with possible elevated levels Air toxics to be monitored Proposed timeframe for monitoring Estimate of size of population likely to be exposed and identification of susceptible groups Glenorchy 523 957 5 258 315 benzene, toluene, xylenes, formaldehyde benzene, toluene, xylenes, formaldehyde 28/04/10-13/10/10 10 000 (note 1) Timsbury Rd Primary School Glenview Community Services (aged care) Warrane 536 784 5 254 216 benzene, toluene, xylenes, formaldehyde benzene, toluene, xylenes, formaldehyde 28/04/10-13/10/10 2200 (note 1) Cambridge Rd Play and Learn Centre (child care) Hobart (Clearys Gates) 525 752 5 254 406 benzene, toluene, xylenes, formaldehyde benzene, toluene, xylenes, formaldehyde 28/4/10 13/10/10 600 (note 1)
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