CSEMP assessment of benzo[a]anthracene in sediment at Tancred (Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 37.13 | 46.13 | -15.56 | 31.13 | | | |
| linear | 2 | 39.09 | 71.09 | -15.54 | 31.09 | 0.038 | 1 | 0.8456 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2012 | 4.046 | 4.157 | 0.1112 | 0.5702 | 0.195 | 0.8578 |
| last 20 years | 2005 | 2012 | 4.046 | 4.157 | 0.1112 | 0.5702 | 0.195 | 0.8578 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 63.89 | 16.00 | -1.3846 | 0.3880 | -3.569 | 0.9812 |
| ERL | 63.89 | 261.00 | 1.4074 | 0.3880 | 3.627 | 0.0180 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in sediment at Tancred (Forth)")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in sediment at Tancred (Forth)")
Assessment plot
![Assessment plot for benzo[a]anthracene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_baa_as.jpg "Assessment plot for benzo[a]anthracene in sediment at Tancred (Forth)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]anthracene in sediment at Tancred (Forth)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]anthracene in sediment at Tancred (Forth)")
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