Conducting Subsurface Environmental Investigations in Urban Watersheds - Urban Watersheds: Geology, Contamination, and Sustainable Development - page 149

Soil Boring Log and Monitoring Well Construction Diagram

Facility name:
ABC facility

Boring/well number:
MW-6

Facility street address:
123 West avenue-somewhere, Iowa

Boring depth (ft) ×diameter (in): 15.0 × 6 Drilling method: HSA

Well contractor name: BEST consultants
Registration number: C98765

Logged by: A. bore

Ground surface
Elevation (ASL): 1234.55

Top of casing
Elevation (ASL): 1235.43

Date: 1/2/02
Start time: 8.00 am

Date: 1/3/02
End time: 12.30 pm

UST number:
9901234

LUST number:
9ZYXW00

Rock formations,soil, color
and classifications, obser-
vations (moisture, odor,
etc.) first column for USCS

Sample
No.

Depth
(ft)

Blow count
if applicable

PID/FID
Reading

Well construction details

Type*

Cement grout 20 1 SS 0 CL Brown sandy clay,

medium stiff, moist
(fill)

5

Bentonite pellets 25 2 SS 50

SM Light brown to gray

silty sand to clayey
sand, medium dense
to dense moist to wet

Sand filter

10

Slotted PVC casing 30 3 SS 100

ML Dark brown to black

clayey silt, stiff to very
stiff, saturated

Bentonite bottom seal 100/6” 4 SS ND

15

Bottom of MW-6 @
15 feet

SS (split spoon) HS (hollow stem auger)

Observations
Water levels (ASL)

Date:
Level:

1/3/02 1/3/02 1/3/02

1/3/02 1/3/02

1,226.43 1,228.43 1,229.43

1,225.43
8.00 am

1,227.43

Static water level symbol Time: 9.00 am 10.00 am 11.00 am 12.30 pm

DNR Form 542-1392

FIGURE 4.20
Sample boring log. (From Iowa Department of Natural Resources. 2002. Sample Boring Log DNR Form 542-1392 .
Des Moines, IA: Iowa Geological Survey.)