Annual report 2006-2007 - Taranaki Regional Council

Annual report 2006-2007 - Taranaki Regional Council Annual report 2006-2007 - Taranaki Regional Council

22.02.2013 Views

Dissolved oxygen (g/m 3 ) 35 30 25 20 15 10 5 0 Jul-88 20 Dissolved oxygen concentrations in discharge from Taranaki Abattoirs Jul-90 Jul-92 Jul-94 Jul-96 Figure 5 Dissolved oxygen (DO) concentrations in the discharge from the aerobic pond at Taranaki Abattoirs. Clear diamonds indicate 2006-2007 monitoring results Biological oxygen demand (5 day) (g/m 3 ) 350 300 250 200 150 100 50 0 Jul-88 Jul-98 Jul-00 Jul-02 Jul-04 Biological oxygen demand in discharge from Taranaki Abattoirs Jul-90 Jul-92 Jul-94 Jul-96 Figure 6 Biological oxygen demand (BOD5) concentrations in the discharge from the aerobic pond at Taranaki Abattoirs. Clear diamonds indicate 2006-2007 monitoring results Jul-98 Jul-00 Jul-02 Jul-04 Jul-06 Jul-06

Chemical oxygen demand (g/m 3 ) 1200 1000 800 600 400 200 0 Jul-88 21 Chemical oxygen demand in discharge from Taranaki Abattoirs Jul-90 Jul-92 Jul-94 Jul-96 Figure 7 Chemical oxygen demand (COD) concentrations in the discharge from the aerobic pond at Taranaki Abattoirs. Clear diamonds indicate 2006-2007 monitoring results Ammoniacal nitrogen (g/m 3 ) 300 250 200 150 100 50 0 Jul-88 Jul-98 Jul-00 Jul-02 Jul-04 Ammoniacal nitrogen in discharge from Taranaki Abattoirs Jul-90 Jul-92 Jul-94 Jul-96 Figure 8 Ammoniacal nitrogen (NH4-N) concentrations in the discharge from the aerobic pond at Taranaki Abattoirs. Clear diamonds indicate 2006-2007 monitoring results Jul-98 Jul-00 Jul-02 Jul-04 Jul-06 Jul-06

Dissolved oxygen (g/m 3 )<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

Jul-88<br />

20<br />

Dissolved oxygen concentrations in discharge from <strong>Taranaki</strong><br />

Abattoirs<br />

Jul-90<br />

Jul-92<br />

Jul-94<br />

Jul-96<br />

Figure 5 Dissolved oxygen (DO) concentrations in the discharge from the aerobic<br />

pond at <strong>Taranaki</strong> Abattoirs. Clear diamonds indicate <strong>2006</strong>-<strong>2007</strong> monitoring results<br />

Biological oxygen demand (5 day) (g/m 3 )<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

Jul-88<br />

Jul-98<br />

Jul-00<br />

Jul-02<br />

Jul-04<br />

Biological oxygen demand in discharge from <strong>Taranaki</strong> Abattoirs<br />

Jul-90<br />

Jul-92<br />

Jul-94<br />

Jul-96<br />

Figure 6 Biological oxygen demand (BOD5) concentrations in the discharge from the aerobic<br />

pond at <strong>Taranaki</strong> Abattoirs. Clear diamonds indicate <strong>2006</strong>-<strong>2007</strong> monitoring results<br />

Jul-98<br />

Jul-00<br />

Jul-02<br />

Jul-04<br />

Jul-06<br />

Jul-06

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