CSEMP assessment of CB118 in biota at Off Boston (Wash)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 29.89 | 34.39 | -11.95 | 23.89 | |||
linear | 2 | 31.14 | 41.81 | -11.57 | 23.14 | 0.750 | 1 | 0.3865 |
smooth (df = 2) | 3 | 29.73 | 54.73 | -9.87 | 19.73 | 3.413 | 1 | 0.0647 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2018 | -2.2257 | -1.2943 | 0.9314 | 1.0547 | 0.883 | 0.4176 |
last 20 years | 1999 | 2018 | -2.2257 | -1.2943 | 0.9314 | 1.0547 | 0.883 | 0.4176 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.2741 | 0.0978 | -1.0305 | 0.6776 | -1.521 | 0.9056 |
EAC | 0.2741 | 0.3250 | 0.1704 | 0.6776 | 0.251 | 0.4057 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for chlorobiphenyls in biota
- Accessment criteria for chlorobiphenyls in biota
Media : Biota (Blue mussel soft body)
Station : HumWash_Witham_sh01, Off Boston (Wash)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : HumWash_Witham_sh01, Off Boston (Wash)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020