Cover image for Tests for free chlorine residual in the control of water treatment.
Tests for free chlorine residual in the control of water treatment.
Title:
Tests for free chlorine residual in the control of water treatment.
Author:
New York (State). Division of Environmental Health Services.
Publication Information:
[Albany, N.Y.?] : New York State Dept. of Health, Division of Environmental Health Services, [1969?]
Physical Description:
18 pages : illustrations ; 23 cm.
Series:
General Note:
Cover title.
Language:
English
Format :
Book