State/ID
|
County
|
Nearest infrastructure
|
Chemical
|
Concentration (μg/m3)
|
ATSDR MRLs exceeded
|
EPA IRIS cancer risk exceeded
|
---|
PA-4083-003
|
Susquehanna
|
420 m from compressor
|
Formaldehyde
|
8.3
| |
1/10,000
|
PA-4083-004
|
Susquehanna
|
370 m from compressor
|
Formaldehyde
|
7.6
| |
1/100,000
|
PA-4136
|
Washington
|
270 m from PIG launcha
|
Benzene
|
5.7
| |
1/100,000
|
PA-4259-002
|
Susquehanna
|
790 m from compressor
|
Formaldehyde
|
61
|
C, I, A
|
1/10,000
|
PA-4259-003
|
Susquehanna
|
420 m from compressor
|
Formaldehyde
|
59
|
C, I, A
|
1/10,000
|
PA-4259-004
|
Susquehanna
|
230 m from compressor
|
Formaldehyde
|
32
|
C
|
1/10,000
|
PA-4259-005
|
Susquehanna
|
460 m from compressor
|
Formaldehyde
|
34
|
C
|
1/10,000
|
- C = chronic; A = acute; I = intermediate.
-
aLaunching station for pipeline cleaning or inspection tool.