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CSEMP assessment of benzo[a]anthracene in biota at Crosby (Mersey Channel)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.4730.97-10.2320.47
linear227.6738.33 -9.8319.670.801 10.3706
smooth (df = 2)325.1250.12 -7.5615.124.546 10.0330

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220182.16421.2089-0.9553 1.0336-0.9240.3977
last 20 years200220182.16421.2089-0.9553 1.0336-0.9240.3977

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 3.350 0.408-2.1066 0.6099-3.4540.9909
EAC 3.35013.040 1.3591 0.6099 2.2290.0381

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in biota at Crosby (Mersey Channel)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in biota at Crosby (Mersey Channel)


Assessment plot

Assessment plot for  benzo[a]anthracene in biota at Crosby (Mersey Channel)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in biota at Crosby (Mersey Channel)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in biota at Crosby (Mersey Channel)


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