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CSEMP assessment of benzo[a]pyrene in sediment at Off Tamar 1

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean161.2464.84-27.6255.24
linear262.4270.42-27.2154.420.821 10.3649
smooth (df = 2)362.9979.66-26.5052.991.426 10.2324

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520166.0825.588-0.4936 0.5392-0.9150.3952
last 20 years200520166.0825.588-0.4936 0.5392-0.9150.3952

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC267.3 30.0-2.1872 0.3846-5.6870.9994
ERL267.3430.0 0.4754 0.3846 1.2360.1313

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Off Tamar 1


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Off Tamar 1


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Off Tamar 1


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Off Tamar 1


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Off Tamar 1


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