HEALTH CONSULTATION
NORTH SANITARY (AKA. VALLEYCREST) LANDFILL
DAYTON, MONTGOMERY COUNTY, OHIO
FIGURES AND TABLES

Figure 1: Property Location, North Sanitary Landfill
Figure 2:
The following figure was not available in electronic format for conversion to
HTML at the time of preparation of this document. To obtain a hard copy of the
document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services Branch,
E-56 1600 Clifton Road NE,
Atlanta, Georgia 30333
Figure 3:
The following figure was not available in electronic format for conversion
to HTML at the time of preparation of this document. To obtain a hard copy of
the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services Branch,
E-56 1600 Clifton Road NE,
Atlanta, Georgia 30333
Figure 4:
The following figure was not available in electronic format for conversion
to HTML at the time of preparation of this document. To obtain a hard copy of
the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services Branch,
E-56 1600 Clifton Road NE,
Atlanta, Georgia 30333
TABLE 1
DAILY GAS PROBE RESULTS (% methane/v), JANUARY-APRIL, 1998
|
GAS PROBE |
JANUARY |
FEBRUARY |
MARCH |
APRIL |
MEAN GAS LEVELS |
|
GP-01 |
7.5-9.6 (8.7) |
2.3-12.3 (6.4) |
4-22.7 (11.0) |
14.2-27.2 (20.2) |
11.6 |
|
TGP-30 |
NA |
NA |
46.2-75.7 (65.8) |
55.2-73.3 (65) |
65.4 |
|
TGP-31 |
NA |
NA |
0.0-11.1 (2.2) |
0.0-11.5 (2.8) |
2.5 |
|
GP-06 |
3.4-15.1 (9.3) |
1.5-22 (10.2) |
0.6-11.9 (7.9) |
3.5-10 (6.9) |
8.6 |
|
GP-08 |
NA |
3-13.3 (10.5) |
7.3-12 (9.5) |
7.1-9.9 (8.4) |
9.5 |
|
TGP-23 |
24.2-44.2 (33) |
23.6-44.8 (37) |
25.9-48.8 (37) |
27.4-48.8 (38.3) |
36.3 |
|
TGP-28 |
NA |
NA |
8.8-19 (15.9) |
14.4-18.6 (16.3) |
16.1 |
|
TGP-29 |
NA |
NA |
4.2-10.2 (7.8) |
4.2-7.2 (5.7) |
6.8 |
|
TGP-36 |
NA |
NA |
0.0-15.7 (6.1) |
2.4-14.9 (7.6) |
6.9 |
|
GP-09 |
4.3-28.4 (19) |
7.9-29 (23) |
11.7-27.8 (21) |
14.3-23.6 (20.7) |
20.9 |
|
GP-10 |
NA |
NA |
0.0-4.6 (0.6) |
0.1-5.4 (1.1) |
0.9 |
|
TGP-12 |
4.3-8.6 (6.2) |
0.0-13.1 (6.5) |
1.1-13.9 (9.3) |
0.3-14.8 (9.2) |
7.8 |
|
TGP-26 |
NA |
NA |
12.8-17.4 (15) |
13.8-16.2 (14.3) |
14.6 |
NA = Probe not available for sampling
<5% methane/v = mixture too dilute to ignite, less than LEL for methane
5% < n < 15% = mixture potential to ignite, within the explosive range
of methane
>15% methane/v = mixture too rich to ignite, greater than the UEL for methane
The following appendix was not available in electronic format for conversion
to HTML at the time of preparation of this document. To obtain a hard copy of
the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services Branch,
E-56 1600 Clifton Road NE,
Atlanta, Georgia 30333


