mercury manometer investigation and remediation: a cooperative effort with the natural gas industry...
TRANSCRIPT
Mercury Manometer
Investigation and Remediation:A COOPERATIVE EFFORT WITH
THE NATURAL GAS INDUSTRY
Bill Schramm
History of Meter Use
• 1920’s Development of natural gas collection and distribution systems
• Mercury meters (to present)
• Dry flow meters (from ’70s)
• Electronic (from 90’s)
Meter Applications
• Field development
• System development
• National distribution network
• Other industrial applications
• Domestic applications
• Meter servicing operations
Typical Mercury Meter
What are the typical
configurations?
Single Run
Multiple Run
Shed
Building with Multiple Meters on
a Manifold
Tower in Flood-Prone Locations
Platform inShallow-Water
Locations
Local Distribution
Compressor Stations
• Records review
• Field verification
• Initial Sampling
• Iterative excavation
• Confirmation Sampling
Investigation and Remediation Plan
Remediation Activities
Meter Dig
Shed Dig
Run Dig
Livestock Pasture Dig
Iterative Dig & Sample
Iterative Dig & Sample
Iterative Dig & Sample
Confirmation Samples
• Final remedial report received• Confirm data QA/QC• Review data for compliance with
RECAP in LAC 33:I.Chapter 13• Management Options:
SSni=2.3ppm, MO1ni=23ppm, MO2&3=site specific levels
• Prepare NFA-BOD for site/sites meeting requirements
• Site/sites receive closure with approved NFA-ATT
Site Closure
• There are an estimated 25,000-30,000 locations throughout Louisiana.
• Since 1991 over 4900 have been investigated with DEQ oversight.
• Of the 4900, 2100 have been cleaned up with DEQ oversight, the remaining 2800 did not require corrective action.
• Currently there are approximately 400 to 500 sites in process with LDEQ.
How Many?
How does DEQ want to move forward?
• Establish a cooperative policy to get responsible parties to voluntarily report and manage their sites
• Develop citizen outreach to inform and protect
• Establish database/GIS information to aid in integrating mercury distribution to water quality issues and source control
For more information regarding mercury manometers and
remediation please contact:
Bill Schramm
(225) 219-3403
