FIGURE 6. IMW NOAA-NIST Mussel Tissue IV Intercomparison: 

 QA92TiS4 Cholorbiphenyl Data 



150 



£ 10 ° 



a 



OS 



a 



53 50 



CB18 



CB5 2 CB66/95 



CB138 

 /163* 



CB118 CB105 CB187/182 



CB170 

 /190 



CB180 CB195 



CB209 



ANALYTE 



H 

 EC 

 O 



>- 



OS 



a 



a 

 z 



50 



40 



30 



20 



10 



FIGURE 7. IMW NOAA-NIST Mussel Tissue IV Intercomparison: 

 QA92TiS4 Chlorinated Pesticide Data 



gHCH 



ALDRJN 



2,4" DDE 



DELDRIN 



4,4' DDD 4,4' DDT 



ANALYTE 



29 



