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CSEMP assessment of benzo[a]anthracene in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1158.29160.29-76.14152.29
linear2159.10163.10-75.55151.101.189 10.2756
smooth (df = 2)3156.76163.90-73.38146.764.340 10.0372
smooth (df = 3)4156.96168.96-72.48144.961.801 10.1796

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020183.7723.128-0.6443 0.5754-1.1200.2890
last 20 years200020183.7723.128-0.6443 0.5754-1.1200.2890

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 22.83 16.00-0.3554 0.3041-1.1690.8652
ERL 22.83261.00 2.4365 0.3041 8.012<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Lough Foyle


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Lough Foyle


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Lough Foyle


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Lough Foyle


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Lough Foyle


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