176 



Canadian Record of Science. 



TABLE OF ANALYSES OF MONTREAL WATER— (Continued.) 



Day 



Date. 



Hardness . 

 Wanklyn. 



Chlorine. Residue. 

 Grs. per gal. Grs.pergal, 



FreelLjN. Alb. HsN. 

 Per million. 1 Permill'n. 



Monday 

 Friday . 



Dec 14 



" 18 



5.0 



4.8 



Not det. 

 .25 



6.9 



Not det. 



Not deter mined. 



Tuesday .. . Dec- 22 



5.1 



.20 



Not det. 





Tuesday . . . j Jan . 5 '86 

 Wedn'sday. " 6 

 Thursday . . | 7 



5.0 

 4.7 

 4.7 



.25 

 .25 

 .25 



5.9 

 5.7 

 5.7 



» 



« 



Monday . ■ ■ Jan . 11 

 Tuesday . . . " 12 

 Wedn'sday. " 13 

 Thursday..: 14 



3.5 

 3.2 

 3.4 

 3.4 



Not det. 

 .20 

 .25 

 .20 



4.06 

 4.76 

 6.3 

 6.3 



Notdet. 

 .00266 



.028 

 Notdet. 



.022 



Monday . . . Jan . 18 

 Tuesday .. " 19 

 AVedn'sday. " 20 

 Thursday.. " 21 



3.6 

 3-5 



3.6 

 3.6 



.25 

 ■ 25 

 .20 



.25 



5.3 

 4.4 

 4-5 



4.9 



•00372 

 Not deter 



.00200 

 Not deter 



.030 

 mined. 



.020 

 mined. 



Monday .. . Jan. 25 

 AVedn'sday.i " 27 

 Thursday.. " 28 



3.5 

 3.5 

 3.6 



■ 20 

 .25 

 .25 



5.1 



4.7 

 5.7 





« 



Monday . ■ Feb • 1 

 AVedn'sday.} " 3 

 Thursday . . " 4 



3.6 

 3.9 

 3.9 



.20 

 .30 

 .25 



5.7 



6.7 

 6.7 



.00400 



.020 



Monday ... Feb. 8 

 Wedn'sday.' " 10 

 Thursday..! " 11 



4.5 

 5.0 



6.7 



.25 

 .30 

 .35 



7.5 

 7.5 

 7.8 



Not deter 



» 



mined. 



Monday .. .1 Feb. 15 

 Thursday..! " 18 



5.0 

 5.0 



.30 

 .30 



7.1 

 7.2 



.00746 



.0216 



Thursday.. Feb- 25 



4.9 



.25 



7.9 



.00400 



.010 



Thursday.. Mar. 4 



5.5 



.30 



7.8 



.00092 



.016 



Thursday.. Mar. 11 



6.0 



.35 



9.3 



■00400 



.020 



Thursday.. Mar. 18 



6.4 



.30 



9.0 



.00260 



.012 



Thursday.., Mar. 25 



6.4 



.35 



9.2 



.00400 



• 014 



Note. — On May 5th and 15th two determinations were made with the follow- 

 ing results : — 



Thursday . . 



May 5 



3.0 



0.25 



6.90 



0035 



0.015 



Thursday . . 



" 15 



3.0 



0.20 



5.90 



0.0040 



0.018 



