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# WOD98 - PRESERVATIVE CODES - BIOLOGICAL HEADER 10
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   1  4-5% formalin, unbuffered
   2  4-5% formalin, hexamine buffered
   3  4-5% formalin, borax or borate buffered (no water type given)
   4  10%  formalin, seawater, buffered
   5  4-5% formalin, seawater, (buffered/unbuffered unspecified)
   6  4-5% formalin, no ref. to water-type or buffering (if any)
   7  4-5% formalin, buffered, (buffer unspecified)
   8  10% filtered paraformaldehyde                              
   9  2-10% formalin, seawater, buffered, (buffer unspecified)  
  10  5-10% formalin, seawater, buffered, (buffer unspecified) 
  11  1% formalin, buffered (buffer unspecified)              
  12  2% formalin, buffered (buffer unspecified)             
  13  3-5% formalin, seawater, unbuffered                   
  14  5% formalin, seawater, borax buffered                
  15  4-5% formalin, seawater, sodium bicarbonate         
  16  liquid nitrogen                                    
  17  Lugol's Solution ("acidified Lugol's iodine")     
  18  formalin, no info on: %,buffering,water type     
  19  preservative used, no additional information provided 
  20  10% buffered formalin