Projects

CSEMP assessment of benzo[a]pyrene in sediment at Arbroath (E Scotland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1105.62108.62-49.8199.62
linear2106.49112.89-49.2498.491.128 10.2883
smooth (df = 2)3108.34120.84-49.1798.340.153 10.6952

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620163.8093.451-0.3582 0.3359-1.0660.3216
last 20 years200620163.8093.451-0.3582 0.3359-1.0660.3216

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 31.5 30.0-0.0499 0.2152-0.2320.5884
ERL 31.5430.0 2.6126 0.215212.138<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Arbroath (E Scotland)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Arbroath (E Scotland)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Arbroath (E Scotland)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Arbroath (E Scotland)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Arbroath (E Scotland)


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