Table 5 Concentrations of volatile compounds exceeding health-based risk levels in samples collected in Pennsylvania

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 launch^a

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