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LOCATION: NP-1-65 Trends After System Upgrade � vo m COMPOUND COMPOUND _ m sa Du 11 WWI) Date (US/1) (ug/1) Date Date er2000 34,200 1,710' February 2002 32,000, 440 February 200 25 0.25 a 2002 :10,000;. 82 a 18:5 u ust 2002 2,800.. 81 2 01 939 u ust 2001 .5,900 160 November 2002 ,6,700 110 ovem er 200 19,000 320 Recem 20 3 5,200: 120 Fe rua 2002 32,000 440 a 2003 3,100 98 May 20 2 10,000 92. st 2 03 - 1,600, 4fi . ` u ust 20 2 :; 2,800 8i er 2 03 November 2002 5,700 110' a rua 2004 5,800.E;;. 160 e ruary2003 >: 5200 120 April20U4 a 200 3x100 98 u ust 2004 4,500 56 u ust 2003 .1,600 '46iNovemberZOU4 2100 14 ecem er 003 February 2 05 11 300 9.7 ` e rua 200 5,800.;::.:, 160 STATISTICS ri 2004 Anal sis 11 11 August 2004 4,500' : 56: S -31 -27 ann- 0.008 0.02 November 2004 2,100 14 Kendall P —Trena TestDownward Downward Result at:95% Trend Trend February 2005 1,300,, p 9.7 con CP 0 ° ownwar ownwar STATISTICSr 80 ° Downward Downward Analysis Count 16 16 Trend S -34 -35 1 Mann-Kendall P 0.07 0.064 Trend est Hesult at: No Trend No Trend ° confidence 90%confidence ownwar Downward Trend Trend 80%confidence Downward Downward Trend Trend 2 Sloe units/yr) -1790 -34 Cv 1.27 1.94 NOTES: (1) P is the probability(out of 1.0) of no significant trend (>3 analyses req'd) This value must be<0.1 for a significant trend to exist at 90%confidence (Gilbert 1987) This value must be<0.2 for a significant trend to exist at 80%confidence (Gilbert 1987) Trend analysis not performd at locations where the majority of concentration values were non-dE Non-detects entered as 1/2 the detection limit and italicized. Table 3-4 & Appendix A mann-kendall NP-1-65 all �' r