TABLE: CI International Mussel Watch Standard Reference Materials Distributed to Host- 

 Country Scientists for Interlaboratory Comparison Exercise. 



1. Florosil Column Check 



2,4,5-Trichlorophenol, (1 ml @200ng/ml) 



2. Internal Recovery Standard 



Tetrachloro-m-xylene & Decachlorobiphenyl, (1 ml @200ng/ml) 



3. GC Quantitation Standards 



Pentachlorobenzene, (@100|ig/ml) 

 Octachloronaphthalene 



4. Pesticide Mix A 



alpha-BHC (5 ng/ml) 

 Heptachlor (5 Jig/ml) 

 gamma-BHC (Lindane) (5 M-g/ml) 



Endosulfan I (5 |ig/ml) 

 Dieldrin (lO^ig/ml) 



Endrin (lOjig/ml) 



p,p'-DDD (10ng/ml) 

 p,p'-DDT (10^g/ml) 

 Methoxychlor (50ng/ml) 



5. Pesticide Mix B 



beta-BHC (5 ^ig/ml) 

 delta-BHC (5 jig/ml) 

 Aldrin (5^ig/ml) 

 Heptachlor Epoxide (5 |ig/ml) 

 Chlordane (alpha) (5 Jig/ml) 

 Chlordane (gamma) (5 p.g/ml) 

 p,p'-DDE (10 ng/ml) 

 Endosulfan S ulfate (10 |ig/ml) 

 Endrin Aldehyde ( 1 Jig/ml) 



Endrin Ketone ( 1 Hg/ml) 



Endosulfan II (lO^ig/ml) 



6. Aroclor 1254, 



(lml@200|ig/ml) 



C2 



