APPENDIX TO CRUISES 



151 



BACTERIA AND NUTRIENT 

 Cruise 230 

 November 30 to December 1, 1955 



Cruise Description t On both days, core and snapper samples of 

 bottom sediment in Santa Monica Bay were collected. Bacteria 

 samples were taken at each station from the surface sediment. 

 On the 30th, the Eckman current meter was employed at the 

 anchor station. 



Bacteriological Data : 



Elapsed Depth 

 Time (hrs) (ft) 



CI, 



Coliforras 

 MPN/ML 



nil 



nil 



23 

 nil 



130 



nil 



240 



6 



700 



nil 



* All samples checked for enteric pathogens, 



Tetrathionate + S.S, agar showed growth in only two samples: 

 3686 - aeroleic spore former on triple sugar iron agar, 

 3715 - no growth on triple sugar iron agar. 



No suspicious colonies (pathogens) noted on EMB agar. Mostly 



flat, spreading, rough (spore former) types. 



