⑤ Sample collection and monitoring
I. Sample collection
The task force took and analyzed samples of the groundwater from the 5 monitoring
wells in field, to further ascertain the groundwater quality of the hazardous wastes
disposal site.
Background monitoring
well
Pollution dispersion
monitoring well
Flow direction of phreatic
water
Fig. 5.108 Layout of monitoring wells
Table 5.123 Data on monitoring wells of hazardous wastes disposal site
S/N of
monitoring
well
East
longitude
North
latitude
Azimuth
relative to
the flow
direction of
groundwater
Azimuth
relative to
the site
Water
level
elevation
(m)
Whether a
background
value
monitoring
well or not
Well
depth
(m)
#1
119° 38′
12.32″
32° 10′
28.72″
Downstream Northeast
10 m
11.728
No
24.16
#2
119° 38′
11.08″
32° 10′
29.17″
Downstream True
north 1 m
11.729
No
24.20
#4
119° 38′
06.11″
32° 10′
24.96″
Upstream
True west
1 m
11.769
Yes
26.50
#6
119° 38′
13.28″
32° 10′
27.59″
Downstream True east
13 m
11.748
No
25.60
#7
119° 38′
07.16″
32° 10′
28.90″
Upstream
True
north
15 m
12.402
Yes
53.20
368
5 Application Cases