Latest Testing by PA DEP Shows No Air Pollution Near Drilling Sites or Compressor Stations

One of the concerns landowners and those living near Marcellus gas well drilling sites and gas compressor stations have is potential air pollution. The Pennsylvania Department of Environmental Protection (DEP) periodically conducts air sample testing near compressor stations and active drilling sites. The latest results show the air is safe to breathe.

PA DEP Press Release

An air quality study near Marcellus Shale natural gas operations in Bradford, Lycoming, Sullivan and Tioga counties found no emission levels that would pose a public health concern, according to a report released today by the Department of Environmental Protection.

“The results show there are no emission levels that would be of concern to the health of residents living and working near these operations,” DEP Secretary Mike Krancer said. “They are consistent with the results of our air monitoring in southwest and northeast Pennsylvania, the other two areas of the state with the most Marcellus drilling.”

The report notes that the sampling effort, conducted between August and December 2010, was not meant to address potential cumulative impacts.

DEP’s assessment focused on concentrations of volatile organic compounds, including benzene, toluene and xylene, which are typically found in petroleum products. The department also sampled for other pollutants, such as carbon monoxide and nitrogen dioxide, near natural gas extraction and processing sites.

DEP first conducted background sampling in early August 2010 at the Sones Pond parking lot in Loyalsock State Forest, Sullivan County.

The air quality sampling was conducted the weeks of Aug. 30, Nov. 15 and Dec. 6. An evening sampling event was held Nov. 17. DEP used its mobile laboratories and the equipment was set up downwind of the target sources during early morning and late evening hours.

“This study provides us with additional valuable information as part of our ongoing effort to determine the impact of these operations on air quality, public health and the environment,” Krancer said.

The air monitoring surveys were located next to Talisman Energy’s Thomas Compressor Station in Troy Township, Bradford County; East Energy’s Shaw Compressor Station in Mainesburg Township, Tioga County; East Energy’s Chicken Hawk well south of Mainesburg; and Anadarko Petroleum’s Hagemeyer well in Gamble Township, Lycoming County.

Those surveys detected the main constituents of natural gas—including methane, ethane, propane and butane—as well as low levels of other compounds, such as MtBE, carbon monoxide and methyl mercaptan, the odor-producing compound.

DEP’s sampling did not find concentrations of any compound that is likely to trigger air-related health issues associated with Marcellus Shale drilling activities in the northcentral region.

*PA DEP Press Release (May 19, 2011) – DEP Report: Marcellus Operations in Northcentral Region Show No Impact on Short-Term Air Quality

  • Angelo

    FYI: PA DEP is notorious for it’s track record of incompetence in monitoring and testing. It’s a matter of record.
    So I suggest you get off your ass and go to a compressor station site and hang out for about 30-45 minutes. I guarantee you will begin feeling your respitory system shutting down. You will also start to feel a general paraltsis.

    It will clear up in about 30 minutes after you get away from it if you are in normal health.

    Here’s the trick…When drillers give politicians and journalists the tour of compressor sites they move them out in about 5 or 10 minutes. Everything looks OK and they go out and tell the world it’s safe. 

    I’ve done it both ways.

  • Ilona Lonieluce Scroggins

    would you want to live next to a Compressor Station and breathe this over a long period– they do emit VOC’s and benzene, etc. and just because our DEP or government says it’s within safe levels, what studies are there that show this is safe  next to populated areas over a long period of weeks and months– I’d rather breathe clean, country air as opposed to industrialized air– !!
    DEP admits they have no cumulative studies of these emissions !

  • Ilona Lonieluce Scroggins

    I agree Angel

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