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CSEMP assessment of benzo[a]pyrene in sediment at Off Tees

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean115.7920.29-4.899.79
linear216.5727.24-4.288.571.219 10.2695
smooth (df = 2)318.1543.15-4.078.150.420 10.5169

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520175.4345.131-0.30293 0.25827-1.1730.2936
last 20 years200520175.4345.131-0.30293 0.25827-1.1730.2936

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC169.2 30.0-1.7301 0.1793-9.6480.9999
ERL169.2430.0 0.9325 0.1793 5.2000.0017

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Off Tees


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Off Tees


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Off Tees


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Off Tees


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Off Tees


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