inherent luminescence. Christman 
340 nm and 400 nm, respectively. 
the samples studied 
emission peak of sulfite liquor t 
concentration of the liquor in th 
that changing the pH of the soluti 
at 589.0 nm. 
near Foley, Florida, 
at 486.1 nm 
into products that have been impli 
lung cancer in workers. 
effluent with the FLD, samples were 
central Florida. Reference samples 
37, 46, and 58 km respectively from 
pure lignin sulfonate and whole spent sulfite 
three localities, exhibited identical excitati 
intensity and concentratíon of the whole waste 
“HF. Smith and P.S. Flandreau (Perkin Elmer Cor- 
Poration, written communication, 1979) observed 
. liquors from both the "sulfite process” and the " 
Show that Kraft liquor exhibits a higher lumines 
peak emission wavelength. Kraft liquor has a 
peak emission of 340 nm compared to 380 nm for sulf 
In January 1975, the waste liquor effluent fr 
s from a helicopter hovering at an alti 
active decay radium is produced. This is the most 
Pollutant (U.S. Environmental Protection Agency, 
adjacent to settling pond dikes of Processing 
were also collected from the Alafia, Little Manatee, 
Luminescence of phosphate Processing wastes 
FLD in the Lakeland, Florida, area during January 1975, 
owards shorter wavelengths as the 
longer wavelength.  Kullbom and 
cence of lignins in whole spent 
Kraft process." They 
cence than sulfite 
ite liquor. 
Uranium concentra- 
and through radio- 
hazardous water 
1973) because it decays 
cated in an increased incidence of 
the plant area. 
Were measured with the 
    
  
  
obse 
effl 
syst 
FLD 
furt