Table 4, Physiological Response
to Various Concentrations of Sulfur Dioxide

algicides antifoam anitfreeze
arsenic belt filter press bromine chlorination
dechlorination clarifiers coagulants dewatering
drilling fluids dye tracers emulsion breaker filter media
filtration flocculants jar testing
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samples super absorbant tablets wastewater
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TRAMFLOC, INC.
P.O. Box 350   Tempe, AZ   85280-0350
Telephone: 480-491-6895     Fax: 480-456-1664
Toll Free: 800-613-6803
water@tramfloc.com

 

Physiological Response Sulfur Dioxide in PPM of Air
Least detectable odor 3 to 5
Least amount causing immed. irritation to the eyes 20
Least amount causing immed. irritation to the throatat 8 to 12
Least amount causing coughing 20
Max. concentration allowable for prolonged exposuresure 10
Max. concentration allowable for short exposure 50 to 100
Dangerous for even short exposure 400 to 500