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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)
mean1149.57151.82-71.78143.57
linear2149.88154.45-70.94141.881.687 10.1940
smooth (df = 2)3148.47156.80-69.23138.473.411 10.0648
smooth (df = 3)4148.54162.94-68.27136.541.933 10.1644

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020173.8463.033-0.8135 0.6012-1.3530.2090
last 20 years200020173.8463.033-0.8135 0.6012-1.3530.2090

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 20.75 16.00-0.2600 0.3225-0.8060.7795
ERL 20.75261.00 2.5319 0.3225 7.850<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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