Common use of Loxahatchee National Wildlife Refuge TP Compliance Tracking Clause in Contracts

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level (ppb) Long Term Level (ppb) Average Stage (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 Effective 12/31/06 Jul-2004 21.0 N/A N/A 15.00 1 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 8.5 9.9 8.4 16.79 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 8.3 10.6 9.0 16.65 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 14 3 Dec-2005 7.6 9.6 8.2 16.85 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 3

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level Levela (ppb) Long Long-Term Level Levela (ppb) Average Stage Stageb (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 2/1/99-12/30/06 Effective 12/31/06 Jul-2004 21.0 N/A N/A 15.00 1 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 8.5 9.9 8.4 16.79 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 8.3 10.6 9.0 16.65 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 14 3 Dec-2005 7.6 9.6 8.2 16.85 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 33 Jul-2006 11.7 16.1 13.0 15.92 9 3 Aug-2006 9.0 13.5 11.1 16.22 11 3 Sep-2006 8.2 9.1 7.8 16.96 14 3 Oct-2006 7.5 10.1 8.6 16.74 14 3 Nov-2006 7.4 11.1 9.4 16.56 14 3 Dec-2006 5.6 13.4 11.0 16.23 11 3 Jan-2007 6.9 11.1 9.3 16.57 14 3 Feb-2007 6.2 12.6 10.4 16.34 13 3 Mar-2007 7.3 14.5 11.8 16.10 10 3 Apr-2007 8.0 N/A N/A 15.30 3 3 May-2007 n/a N/A N/A 14.68 0 3 Jun-2007 13.6 N/A N/A 15.37 4 3 Jul-2007 10.4 16.8 13.5 15.86 13 3 Aug-2007 10.1 12.7 10.5 16.33 13 3 Sep-2007 8.5 10.9 9.2 16.59 14 3 Oct-2007 8.4 8.3 7.2 17.26 14 3 Nov-2007 7.0 8.3 7.2 17.19 14 3 Dec-2007 7.9 9.6 8.2 16.84 14 3 a N/A denotes that the level was not applicable because the average stage was less than 15.42 feet. b Average stage is calculated using stage elevations at stations 1-7, 1-8C, and 1-9 on the sampling dates. Notes: Highlighted row indicates the month when excursion over the Long-Term Level occurred.

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level Levela (ppb) Long Long-Term Level Levela (ppb) Average Stage Stageb (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 12/30/06 Effective 12/31/06 Jul-2004 21.0 N/A N/A 15.00 1 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 8.5 9.9 8.4 16.79 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 8.3 10.6 9.0 16.65 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 14 3 Dec-2005 7.6 9.6 8.2 16.85 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 33 Jul-2006 11.7 16.1 13.0 15.92 9 3 Aug-2006 9.0 13.5 11.1 16.22 11 3 Sep-2006 8.2 9.1 7.8 16.96 14 3 Oct-2006 7.5 10.1 8.6 16.74 14 3 Nov-2006 7.4 11.1 9.4 16.56 14 3 Dec-2006 5.6 13.4 11.0 16.23 11 3 Jan-2007 6.9 11.1 9.3 16.57 14 3 Feb-2007 6.2 12.6 10.4 16.34 13 3 Mar-2007 7.3 14.5 11.8 16.10 10 3 Apr-2007 8.0 N/A N/A 15.30 3 3 May-2007 n/a N/A N/A 14.68 0 3 Jun-2007 13.6 N/A N/A 15.37 4 3 Jul-2007 10.4 16.8 13.5 15.86 13 3 Aug-2007 10.1 12.7 10.5 16.33 13 3 Sep-2007 8.5 10.9 9.2 16.59 14 3 Oct-2007 8.4 8.3 7.2 17.26 14 3 Nov-2007 7.0 8.3 7.2 17.19 14 3 Dec-2007 7.9 9.6 8.2 16.84 14 3 Jan-2008 6.3 10.5 8.9 16.68 14 3 Feb-2008 7.6 11.2 9.4 16.55 14 3 Mar-2008 6.7 11.2 9.4 16.54 14 3 a N/A denotes that the level was not applicable because the average stage was less than 15.42 feet. b Average stage is calculated using stage elevations at stations 1-7, 1-8C, and 1-9 on the sampling dates.

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level (ppb) Long Term Level (ppb) Average Stage Stagea (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 Effective 12/31/06 Jul-2004 21.0 N/A N/A 15.00 1 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 8.5 9.9 8.4 16.79 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 8.3 10.6 9.0 16.65 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* May-2005b (26.8* ) 17.7 14.1 15.78 (10* ) 3 Jun-2005* Jun-2005b (18.1* ) 13.9 11.4 16.17 (14* ) 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 14 3 Dec-2005 7.6 9.6 8.2 16.85 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 3 Jul-2006 11.7 16.1 13.0 15.92 9 3 Aug-2006 9.0 13.5 11.1 16.22 11 3

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level Levela (ppb) Long Long-Term Level Levela (ppb) Average Stage Stageb (ft NGVD) Number of TP Samples Number of Stage Measure- Measure ments Effective 2/1/99 2/1/99- 12/30/06 Effective 12/31/06 Jul-2004 21.0 Jul-2006 11.7 16.1 13.0 15.92 9 3 Aug-2006 9.0 13.5 11.1 16.22 11 3 Sep-2006 8.2 9.1 7.8 16.96 14 3 Oct-2006 7.5 10.1 8.6 16.74 14 3 Nov-2006 7.4 11.1 9.4 16.56 14 3 Dec-2006 5.6 13.4 11.0 16.23 11 3 Jan-2007 6.9 11.1 9.3 16.57 14 3 Feb-2007 6.2 12.6 10.4 16.34 13 3 Mar-2007 7.3 14.5 11.8 16.10 10 3 Apr-2007 8.0 N/A N/A 15.00 1 15.30 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 May-2007 n/a N/A N/A 14.68 0 3 Jun-2007 13.6 N/A N/A 15.37 4 3 Jul-2007 10.4 16.8 13.5 15.86 13 3 Aug-2007 10.1 12.7 10.5 16.33 13 3 Sep-2007 8.5 9.9 8.4 16.79 10.9 9.2 16.59 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 Oct-2007 8.4 8.3 10.6 9.0 16.65 7.2 17.26 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 Nov-2007 7.0 8.3 7.2 17.19 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 Dec-2007 7.9 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 8.2 16.84 14 3 Dec-2005 7.6 9.6 8.2 16.85 Jan-2008 6.3 10.5 8.9 16.68 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 Feb-2008 7.6 11.2 9.4 16.55 14 3 Feb-2006 6.4 11.7 9.8 16.48 13 Mar-2008 6.7 11.2 9.4 16.54 14 3 Mar-2006 8.1 13.1 10.8 16.28 12 Apr-2008 5.8 12.5 10.3 16.36 14 3 Apr-2006 8.4 May-2008 9.1 17.9 14.3 15.76 9 3 Jun-2008 8.9 18.8 14.9 12.2 16.05 12 15.68 8 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 3a N/A denotes that the level was not applicable because the average stage was less than 15.42 feet. b Average stage is calculated using stage elevations at stations 1-7, 1-8C, and 1-9 on the sampling dates.

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level Levela (ppb) Long Long-Term Level Levela (ppb) Average Stage Stageb (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 2/1/99-12/30/06 Effective 12/31/06 Jul-2004 21.0 N/A N/A 15.00 1 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 8.5 9.9 8.4 16.79 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 8.3 10.6 9.0 16.65 14 3 Dec-2004 10.4 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 14 3 Dec-2005 7.6 9.6 8.2 16.85 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 33 Jul-2006 11.7 16.1 13.0 15.92 9 3 Aug-2006 9.0 13.5 11.1 16.22 11 3 Sep-2006 8.2 9.1 7.8 16.96 14 3 Oct-2006 7.5 10.1 8.6 16.74 14 3 Nov-2006 7.4 11.1 9.4 16.56 14 3 Dec-2006 5.6 13.4 11.0 16.23 11 3 Jan-2007 6.9 11.1 9.3 16.57 14 3 Feb-2007 6.2 12.6 10.4 16.34 13 3 Mar-2007 7.3 14.5 11.8 16.10 10 3 Apr-2007 8.0 N/A N/A 15.30 3 3 May-2007 n/a N/A N/A 14.68 0 3 Jun-2007 13.6 N/A N/A 15.37 4 3 Jul-2007 10.4 16.8 13.5 15.86 13 3 Aug-2007 10.1 12.7 10.5 16.33 13 3 Sep-2007 8.5 10.9 9.2 16.59 14 3 a N/A denotes that the level was not applicable because the average stage was less than 15.42 feet. b Average stage is calculated using stage elevations at stations 1-7, 1-8C, and 1-9 on the sampling dates.

Loxahatchee National Wildlife Refuge TP Compliance Tracking. Month - Year Geometric Mean Concentration (ppb) Interim Level Levela (ppb) Long Long-Term Level Levela (ppb) Average Stage Stageb (ft NGVD) Number of TP Samples Number of Stage Measure- ments Effective 2/1/99 12/30/06 Effective 12/31/06 Jul-2004 21.0 Oct-2006 7.5 10.1 8.6 16.74 14 3 Nov-2006 7.4 11.1 9.4 16.56 14 3 Dec-2006 5.6 13.4 11.0 16.23 11 3 Jan-2007 6.9 11.1 9.3 16.57 14 3 Feb-2007 6.2 12.6 10.4 16.34 13 3 Mar-2007 7.3 14.5 11.8 16.10 10 3 Apr-2007 8.0 N/A N/A 15.00 1 15.30 3 Aug-2004 17.5 15.4 12.5 16.00 12 3 Sep-2004 May-2007 n/a N/A N/A 14.68 0 3 Jun-2007 13.6 N/A N/A 15.37 4 3 Jul-2007 10.4 16.8 13.5 15.86 13 3 Aug-2007 10.1 12.7 10.5 16.33 13 3 Sep-2007 8.5 9.9 8.4 16.79 10.9 9.2 16.59 14 3 Oct-2004 8.9 10.0 8.5 16.76 13 3 Nov-2004 Oct-2007 8.4 8.3 10.6 9.0 16.65 7.2 17.26 14 3 Dec-2004 10.4 Nov-2007 7.0 8.3 7.2 17.19 14 3 Dec-2007 7.9 9.6 8.2 16.84 14 3 Jan-2008 6.3 10.5 8.9 16.68 14 3 Feb-2008 7.6 11.2 9.4 16.55 14 3 Mar-2008 6.7 11.2 9.4 16.54 14 3 Apr-2008 5.8 12.5 10.3 16.36 14 3 May-2008 9.1 17.9 14.3 15.76 9 3 Jun-2008 8.9 18.8 14.9 15.68 8 3 Jul-2008 9.2 12.4 10.3 16.37 13 3 Jan-2005 7.9 13.9 11.4 16.17 12 3 Feb-2005 9.4 15.1 12.3 16.03 11 3 Mar-2005 13.4 16.6 13.4 15.88 11 3 Apr-2005 8.6 13.9 11.4 16.17 11 3 May-2005* 26.8* 17.7 14.1 15.78 10* 3 Jun-2005* 18.1* 13.9 11.4 16.17 14* 3 Jul-2005 7.4 14.9 12.1 16.05 14 3 Aug-2005 6.5 13.9 11.4 16.17 12 3 Sep-2005 7.5 13.0 10.8 16.28 11 3 Oct-2005 6.5 11.4 9.6 16.52 13 3 Nov-2005 7.8 9.8 8.4 16.79 Aug-2008 8.6 12.3 10.2 16.39 14 3 Dec-2005 7.6 9.6 8.2 16.85 Sep-2008 7.7 9.8 8.3 16.81 14 3 Jan-2006 6.3 11.6 9.7 16.49 13 3 Feb-2006 6.4 11.7 9.8 16.48 13 3 Mar-2006 8.1 13.1 10.8 16.28 12 3 Apr-2006 8.4 14.9 12.2 16.05 12 3 May-2006 8.8 20.1 15.9 15.58 10 3 Jun-2006 9.9 21.0 16.5 15.51 5 3a N/A denotes that the level was not applicable because the average stage was less than 15.42 feet. b Average stage is calculated using stage elevations at stations 1-7, 1-8C, and 1-9 on the sampling dates.