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

From: Air concentrations of volatile compounds near oil and gas production: a community-based exploratory study

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
  1. C = chronic; A = acute; I = intermediate.
  2. aLaunching station for pipeline cleaning or inspection tool.
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Environmental Health

ISSN: 1476-069X