Science & Technology
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Pneumatic Controllers
Natural gas-powered pneumatic controllers are used in the natural gas industry to operate valves that control liquid level, pressure, and other processes. Some controllers are designed to bleed continuously, while others may bleed gas only when actuated.
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Pipeline Blowdowns
Pipeline blowdowns are routine operations on transmission and distribution systems to allow operators to safely perform maintenance. This practice involves isolating and depressurizing a section of the pipeline and venting the gas to the atmosphere.
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Reroute Glycol Skimmer Gas
Some glycol dehydrators use condensate separators to recover natural gas liquids and the non-condensable gas (or skimmer gas) is often vented to the atmosphere. Rerouting the skimmer gas to the reboiler firetubes can reduce emissions.
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Route Blowdown Gas to Low Pressure System
Rerouting blowdown gas (from stations, equipment, or pipelines) to an existing low-pressure gas system can reduce the amount of high-pressure natural gas that would otherwise be emitted to the atmosphere.
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Centrifugal Compressors
A centrifugal compressor is used to increase the pressure of natural gas in pipelines. Centrifugal compressors contain rotating shafts that require seals to prevent the high-pressure natural gas from escaping the compressor casing.
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CRP - ID Hold Fitment While Turning
ASTM Type Index
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CRP - XIA Squeeze Two Specific Points Simultaneously
child resistant packaging
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CRP - IXG (1) Push Tab Down, Rotate Valve Counterclockwise
child resistant packaging
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CRP - IM Localized Push In While Turning, Force Must Be Applied To Designated Place On Closure
child resistant packaging
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CRP - IVC Requires Tool
child resistant packaging
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CRP - IXB (1) Press down on a Point to Release Lock
child resistant packaging
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CRP - VIIIA (3) Remove Portion (Tab) And Push Out
child resistant packaging
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CRP - IIIE (3) Squeeze Two Points Simultaneously to Open
child resistant packaging
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CRP - VIIK Localized Press Down Then Pull Up At Arrow
child resistant packaging
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CRP - VIIIA (1) Remove A Portion (Tab) And Peel Back
child resistant packaging
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CRP - VIIM Line-Up Arrows On The Overcap And Ring To Remove
child resistant packaging
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Tolfenpyrad Petition and Response
Petition(s) and Response(s) for Tolfenpyrad
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CRP - IIIG Requires Key Device or Fingernail Or Coin Or Other Tool
child resistant packaging
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About the Homeland Security and Materials Management Division
Mission, organization, and contact information for the Homeland Security Materials Management Division within the Center for Environmental Solutions and Emergency Response in EPA's Office of Research and Development
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About the Extramural Research and Partnerships Division
Mission, organization, and contact information for EPA's Extramural Research and Partnerships Division within the Office of Science Advisor, Policy and Engagement, part of the Office of Research and Development