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CSEMP assessment of CB28 in biota at Crosby (Mersey Channel)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.2529.25-10.1220.25
linear225.6632.06 -8.8317.662.591 10.1075
smooth (df = 2)324.6237.12 -7.3114.623.042 10.0812

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20022018-0.3114-0.9338-0.6224 0.3549-1.7540.1229
last 20 years20022018-0.3114-0.9338-0.6224 0.3549-1.7540.1229

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.39310.1223-1.1679 0.2146-5.4420.9995
EAC0.39310.8710 0.7957 0.2146 3.7080.0038

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB28 in biota at Crosby (Mersey Channel)


Raw data with assessment

Raw data with assessment of  CB28 in biota at Crosby (Mersey Channel)


Assessment plot

Assessment plot for  CB28 in biota at Crosby (Mersey Channel)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB28 in biota at Crosby (Mersey Channel)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB28 in biota at Crosby (Mersey Channel)


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