Projects

CSEMP assessment of CB138 in biota at Peterstone (Lower Severn)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean135.5240.02-14.7629.52
linear224.4535.12 -8.2316.4513.063 10.0003
smooth (df = 2)325.3850.38 -7.6915.38 1.076 10.2995

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20012014 1.6714-0.5480-2.2194 0.4157-5.3390.0031
last 20 years20012014 1.6714-0.5480-2.2194 0.4157-5.3390.0031

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.5780.098-1.7769 0.2528-7.0300.9996
EAC0.5784.121 1.9640 0.2528 7.7700.0003

 


Raw data with supporting information

Raw data with supporting information for assessment of  CB138 in biota at Peterstone (Lower Severn)


Raw data with assessment

Raw data with assessment of  CB138 in biota at Peterstone (Lower Severn)


Assessment plot

Assessment plot for  CB138 in biota at Peterstone (Lower Severn)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  CB138 in biota at Peterstone (Lower Severn)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  CB138 in biota at Peterstone (Lower Severn)


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