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CSEMP assessment of benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean193.32 99.32-43.6687.32
linear295.31111.31-43.6687.310.005 10.9462

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520174.0833.976-0.1073 1.5763-0.0680.9490
last 20 years200520174.0833.976-0.1073 1.5763-0.0680.9490

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 53.3 16.0-1.2034 1.2230-0.9840.8096
ERL 53.3261.0 1.5885 1.2230 1.2990.1319

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)


Assessment plot

Assessment plot for  benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in sediment at Off Southend-on-sea (Thames)


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