CSEMP assessment of benzo[a]pyrene 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 | 36.48 | 42.48 | -15.24 | 30.48 | | | |
| linear | 2 | 38.34 | 54.34 | -15.17 | 30.34 | 0.136 | 1 | 0.7123 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 4.140 | 4.346 | 0.2062 | 0.5583 | 0.369 | 0.7306 |
| last 20 years | 2005 | 2018 | 4.140 | 4.346 | 0.2062 | 0.5583 | 0.369 | 0.7306 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 77.2 | 30.0 | -0.9447 | 0.4287 | -2.204 | 0.9539 |
| ERL | 77.2 | 430.0 | 1.7179 | 0.4287 | 4.007 | 0.0080 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_bap_au.jpg "Raw data with supporting information for assessment of benzo[a]pyrene in sediment at Tancred (Forth)")
Raw data with assessment
![Raw data with assessment of benzo[a]pyrene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_bap_da.jpg "Raw data with assessment of benzo[a]pyrene in sediment at Tancred (Forth)")
Assessment plot
![Assessment plot for benzo[a]pyrene in sediment at Tancred (Forth)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_fr__02_sdmn_bap_as.jpg "Assessment plot for benzo[a]pyrene in sediment at Tancred (Forth)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]pyrene 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]pyrene in sediment at Tancred (Forth)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]pyrene 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]pyrene in sediment at Tancred (Forth)")
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