CSEMP assessment of benzo[a]anthracene in biota at New Brighton (Mersey)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 18.42 | 27.42 | -6.21 | 12.42 | | | |
| linear | 2 | 19.93 | 51.93 | -5.96 | 11.93 | 0.494 | 1 | 0.4820 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2017 | 1.3571 | 0.6288 | -0.7283 | 0.9711 | -0.750 | 0.5077 |
| last 20 years | 2002 | 2017 | 1.3571 | 0.6288 | -0.7283 | 0.9711 | -0.750 | 0.5077 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.875 | 0.408 | -1.5265 | 0.5955 | -2.563 | 0.9585 |
| EAC | 1.875 | 13.040 | 1.9392 | 0.5955 | 3.256 | 0.0236 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in biota at New Brighton (Mersey)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_mrs_01_blms_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in biota at New Brighton (Mersey)")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in biota at New Brighton (Mersey)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_mrs_01_blms_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in biota at New Brighton (Mersey)")
Assessment plot
![Assessment plot for benzo[a]anthracene in biota at New Brighton (Mersey)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_mrs_01_blms_baa_as.jpg "Assessment plot for benzo[a]anthracene in biota at New Brighton (Mersey)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene in biota at New Brighton (Mersey)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_mrs_01_blms_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]anthracene in biota at New Brighton (Mersey)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene in biota at New Brighton (Mersey)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_mrs_01_blms_p(p)as.jpg "PAH (parent) assessment of benzo[a]anthracene in biota at New Brighton (Mersey)")
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