BY HARDOLPH WASTENEYS. 125 
AppENnpix II. 
RAINFALL AT LAGOON, 1904-1905. 
Inches 
Month Ending June 1904 af Ets ais 0.16 
July ¥ Me Ae Ba 1.89 
August - a aC A .61 
September 41 
October - BBY) 
November 35 24 
December 34 
January 1905 
ONnNwonnrKo 
QO 
oo 
February sO). 18 
March 5 09 
April cf io 3¢ an 74 
May 1D on aa dc 1.25 
Yearly total 32.06 
ApPENDIXx III 
CHEMICAL AND PHYSICAL ANALYSES OF MAIN CREEK 
AND LAGOON WATERS. 
No. oF ANALYSIS: 
. Parts per Million No I No 2 No 3 No 4 
Total Solids .. oe 150. 185. 114.3 107.1 
Total Solids in Suspension Uo 50. 7.2 el 
Chlorine AS oe 35.7 34.3 33.6 37.1 
Free Ammonia : 04 .025 trace 015 
Albuminoid (Total) .. .305 .340 .195 .245 
do. do. (in solution) .235 .295 .185 .205 
Oxygen Consumed in 15 
Mins. at 90° Fahrenheit 3.40 5.24 3.01 1.38 
do. do. in 4 hours 8.07 9.46 6.98 2.72 
Nitrogin existing as Nitrates Nil Nil Nil Nil 
Turbidity (Silica Scale) .. 15.0 30.0 10.0 5.00 
Odour Warm, Odour is of 
Ss decaying vegetable ei oa strong decided pe 2 
matter Od a3 
Colour (with Hazen’s tubes) 114. 142.0 110. 26. 
Colour, Lovibond Tinto- 
meter 
Red (Units) 4.4 6.2. 3.0 1.0 
Yellow ,, 2 16.8 9.2 oil 
Awnatysis, No. 1, 15/1/05. 
Water from Main Creek entering lagoon after creek had been 
running one day in slight flood, rainfall for previous 24 hours 
5.37 inches. 
Anatysis No. 2, 17/1/05. 
Water from Main Creek entering lagoon after creek had been 
running two further days slightly stronger than on 15/1/05. Rain- 
fall for previous 48 hours 0.49 inches. 
Awnatysis, No. 3, 18/1/05. 
Water from Main Creek entering lagoon after creek had been 
running one further day less strongly than on 17/1/05. Rainfall 
for previous 24 hours 2.3 inches. 
Anatysis, No. 4, 18/1/05. 
Water from lagoon at outlet. 
