2011 THMs Comparison - City of Portage la Prairie

2011 THMs Comparison - City of Portage la Prairie

THMs - city of portage la prairie pws - 171.00 - 2011
date
sampler
GCDWQ MAC
dd-mo-yr
2011
16/02/11
City
js
THM results (ug/l)
laboratory total thm CHBrCl2 CHBr3
100
City of Portage la Prairie
all P *
location
4 locations:
hydro
craig dunn
firehall
city garage
CHCl3 CHBr2Cl
ALS
123
97
129
89
32
28
37
25
<0.5
<0.5
<0.5
<0.5
82
59
79
54
10
10
13
10
26/05/11
hydro
craig dunn
firehall
city garage
ALS
88
110
104
93
22
26
24
23
<0.5
<0.5
<0.5
<0.5
61
79
75
65
5
5
5
5
19/09/11
hydro
craig dunn
firehall
city garage
ALS
203
217
231
227
46
47
49
47
1
1
1
2
129
142
153
149
27
28
28
30
03/11/11
hydro
craig dunn
firehall
city garage
ALS
111
143
241
143
39
46
64
48
1
2
2
2
49
70
142
70
21
25
33
24
2011
annual averages:
hydro
craig dunn
firehall
city garge
131
142
176
138
overall average
147
* P = preserved distribution system sample
U = unpreserved sample
(preserved samples neutralize chlorine at sampling time to prevent further thm formation)
CHBrCl2
CHBr3
CHCl3
CHBr2Cl
bromodichloromethane
bromoform
chloroform
dibromochloromethane