Fig. 1 . Expedition route and station locations in the Pacific Ocean and South 

 China Sea (9 September to 31 October 1988). 



If this minimal concentration of BaP serves as an indicator 

 representing a whole series of carcinogenic PAH"s, then the 

 equatorial zone in question can be readily classified as one of 

 the "background" portions of the World Ocean. 



The studies at Caroline Atoll (10°N, 150°W) indicated 

 that BaP was present in individual water samples both from the 

 interior portion of the lagoon and from the inshore waters at 



Stations 

 120 119 118 117 116 115 



Depth, m 



i i i 



J L 



0.5 



10 



45 

 100 



500 



Kldil 



15(H) 



2000 



BP concentration, ng/1 



□ - n -' 



□ 



->1 -2 



□ ->2-4 



->4-6 



->6-8 



Fig. 2. Occurrence of benzol a Ipyrene in the waters of the Line/Phoenix 

 transect between 7°S and 0°S in the equatorial Pacific ( October 1 988 1. 



Sea-bottom depths: 



* - 6 1 m 



** - 200 m 



*** - 250 m 



INS 



