APPENDIX 



89 



VI. Temperature Equivalents, 



Degrees Centigrade = % X Degrees Fahrenheit — 32. 

 Degrees Fahrenheit = % X Degrees Centigrade + 32. 



vn. Dissolve Gases Equivalents. 

 Oxygen in p.p.m. X 0.7 = c.c, or ml. per liter. 

 Ox)'gen in c.c. or ml. per Hter X 1.429 = Oxygen in 

 p.p.m. 



