Attachment 6 - Odour Impact Assessment - Katestone · 132005.638.06

Contents
Executive summary .........................................................................................................................................iv
1.           Introduction ........................................................................................................................... 1
2.           Existing and proposed operations ....................................................................................... 3
                       2.1       Existing operations ..................................................................................................................... 3
                       2.2       Proposed composting operations ............................................................................................ 3
                       2.3       Odours from composting and proposed controls .................................................................. 4
3.                     Legislative framework for air quality .................................................................................... 6
                       3.1       Environmental authority ............................................................................................................ 6
                       3.2       EP Act and Air EPP ..................................................................................................................... 6
                       3.3       Guideline: Odour Impact Assessment from Developments ................................................... 7
4.                     Assessment methodology .................................................................................................... 8
                       4.1       Existing environment .................................................................................................................. 8
                       4.2       Operational emissions ............................................................................................................... 8
                                 4.2.1     Composting operation .............................................................................................. 8
                                 4.2.2     Landfill ....................................................................................................................... 10
                       4.3       Meteorology ............................................................................................................................ 11
                       4.4       Dispersion modelling................................................................................................................ 11
                       4.5       Presentation of results .............................................................................................................. 12
                       4.6       Limitations and uncertainty .................................................................................................... 12
5.                     Existing environment ........................................................................................................... 13
                       5.1       Local terrain and land-use ...................................................................................................... 13
                       5.2       Sensitive receptors ................................................................................................................... 14
                       5.3       Existing sources of emissions .................................................................................................... 15
                       5.4       Meteorology ............................................................................................................................ 15
6.                     Emissions to the atmosphere .............................................................................................. 16
7.                     Results ................................................................................................................................... 18
8.                     Conclusions .......................................................................................................................... 20
9.                     References ........................................................................................................................... 21
Appendix A             Meteorological and dispersion modelling methodology ............................................... 25

Tables
Table 1               Odour emission rates for composting operations ................................................................................ 9
Table 2               Odour emission rates for landfill operations ........................................................................................ 10
Table 3               Sensitive receptors included in the dispersion model ........................................................................ 14
Table 4               Composting operations odour emission rate summary ..................................................................... 16
Table 5               Landfill operations lower bound odour emission rate summary ....................................................... 17
Table 6               Landfill operations upper bound odour emission rate summary ...................................................... 17
Table 7               Maximum dispersion modelling results for sensitive receptors........................................................... 19



Table A1              A comparison of the observational meteorological data with the TAPM output for 2020 at the
                      location of the BoM Tewantin monitoring station .............................................................................. 29


Figures
Figure 1              Location of Noosa Resource Recovery Centre ................................................................................... 2
Figure 2              Layout of odour sources at the proposed composting facility ........................................................... 9
Figure 3              Layout of odour sources at the existing landfill facility (four layouts tested).................................... 11
Figure 4              Terrain of the area surrounding the Noosa Resource Recovery Centre .......................................... 13
Figure 5              Locations of nearest sensitive receptors ............................................................................................. 14
Figure 6              Annual wind rose for the site for 2020 (extracted from TAPM/CALMET) ........................................... 15




 Katestone Environmental Australia Pty Ltd                                                                                                         17 September 2026
 D25072-8 Noosa Council - Noosa Composting Odour Assessment - Final                                                                                           Page i