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 | 38.21 | 44.21 | -16.10 | 32.21 | | | |
| linear | 2 | 40.17 | 56.17 | -16.09 | 32.17 | 0.038 | 1 | 0.8460 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 4.059 | 4.192 | 0.1329 | 0.6833 | 0.194 | 0.8553 |
| last 20 years | 2005 | 2018 | 4.059 | 4.192 | 0.1329 | 0.6833 | 0.194 | 0.8553 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 66.13 | 16.00 | -1.4190 | 0.5127 | -2.768 | 0.9748 |
| ERL | 66.13 | 261.00 | 1.3729 | 0.5127 | 2.678 | 0.0277 |
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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