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Vermont Agency of Natural Resources
Advisory Committee on Mercury Pollution

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Advisory Committee on Mercury Pollution

Meeting #32: Friday, November 9, 2001
Time: 9:00 a.m. - 12:00 p.m.
Location: Conference Room, Environmental Assistance Division
Waterbury State Complex, Waterbury, Vermont

MINUTES

Members Present:
Mary Canales, School of Nursing, University of Vermont
Ric Erdheim, National Electrical Manufacturers Association
Ira Pike, House Natural Resources and Energy Committee
Neil Kamman, Agency of Natural Resources, Water Quality Division
Richard McCormack, Senate Natural Resources and Energy Committee

Guests Present:
Allison Crowley-Demag, New England Public Affairs Group
Gary Gulka, Vermont Agency of Natural Resources, Environmental Assistance
Julie Hackbarth, Vermont Agency of Natural Resources, Waste Management Division
Jen Holliday, Chittenden Solid Waste District
Mike Loner, Northwest Vermont Solid Waste District
Karen Knaebel, Vermont Agency of Natural Resources, Environmental Assistance

The Committee members and interested parties gathered in the Conference Room of the Environmental Assistance Division in the Waterbury State Complex in Waterbury, Vermont and the meeting was called to order by Gary Gulka in Rich Phillips' absence.

Agenda Item 1-
Accept minutes of the October 9th meeting and changes to today’s agenda.

Minutes for the October 9, 2001 meeting were approved as written.

Agenda Item 2-
Monitoring Data Recommendations.

Neil Kamman provided the following for review of Environmental Monitoring Data:

Need for Environmental Monitoring Data:

  • Refinement of Fish Advisories (lake or lake class specificity) using REMAP data.
  • Development of VT specific mercury (Hg) criterion and assessment of waters in violation.
  • Development of Hg Load Allocation and subsequent TMDL analysis.

Where good coverage exists:

  • In-lake chemical and biological Hg measurements.
  • Atmospheric deposition and loading estimates (for Underhill, VT).
  • Estimates of Vermont’s contribution to Hg use and emissions (new emission inventory).

Where monitoring coverage or information is lacking:

  • Point source loadings of Hg, and particularly of methylmercury (meHg)
  • Revised emission factors for area sources; particularly landfills.
  • Revised estimates of mobile source Hg in light of new findings of high Hg in fuel.
  • Atmospheric deposition estimates for areas away from Underhill (e.g. southern VT).
  • Quantification of reservoir methylation potential for actively manipulated reservoirs.

Proposed activities:

  1. Review literature regarding point source Hg and meHg loadings. Combine findings with National Pollution Discharge Elimination System (NPDES) inventory data to estimate Hg loadings to watersheds statewide.
  1. Status:
    Need to perform literature review regarding Hg and meHg discharges. Need GIS coverage of NPDES discharge points. Need NPDES effluent discharge rates and permit limits for Hg. Intern sought from UVM to assist in this.

  2. Review existing and new literature regarding emissions of Hg and meHg from landfills. Estimate potential Hg emissions from what few landfills remain in Vermont.

    Status:
    The literature on this is thin. Aside from publications in this arena by Lindberg et al., there are few studies reported. Need to review ‘grey’ literature where available. Need to determine applicability of Lindberg’s Florida landfill findings to northeast conditions ACPD should incorporate revised landfill emission factors into the evolving Vermont mercury emissions inventory (may be happening already).

  3. Review information from Naval Dental Laboratory regarding Hg and meHg in dental office wastewater. These loadings are likely either passed to WWTF’s or treated on site via septic systems. Develop estimates of potential loadings attributable to this source.

    Status:
    Information from USNDL available. Other information is also available (e.g. report from King County, WA, and references contained therein). If discharges are passed to WWTF’s, then the Hg would be captured by the NPDES estimates (above). If discharges are passed to septic systems, little data are available. Need remains to examine literature in regards to groundwater Hg movement. Draft proposal for an interesting Vermont-specific project to quantify groundwater movement of dental waste Hg reviewed by Kamman. ACMP should discuss funding options in regard to this proposal, once it is finalized.

  4. Generate modeled atmospheric deposition estimates for all of Vermont and New Hampshire under REMAP Project.

    Status:
    RFP prepared and circulated. Responses in review presently. Contract award anticipated for early 2002, with product available by the end of 2002.

  5. Review available information regarding the link between reservoir level manipulation and elevated hg in the resident fish tissue. Pursue funding to launch a Vermont-specific project to quantify this link.

    Status:
    Some new peer-reviewed studies identified. Project specific to Vermont/New Hampshire preliminarily designed, and seed funding requested from Vermont Legislature. One third of the requested funds were appropriated, but then rescinded during the after-session rescissions which affected numerous programs within ANR. Project carries a high degree of interest among both Vermont Senatorial office. ACMP should discuss funding option in regard to this proposal.

Committee comments regarding the review of environmental monitoring data:

  • Suggestion that Vermont needs revised mercury emission factors on landfills and the working face.
  • Suggestion to continue to work toward obtaining an intern to collect environmental monitoring data.
  • Suggestion to review new information coming from a Florida study.
  • Suggestion to the Committee from Tony French to examine the groundwater movement from dental septic leach fields. This issue was not in the initial proposal – Neil suggests that the Committee bring this forward for consideration; the amount of dentists using septic systems is probably low. Suggestion to contact Peter Taylor to see if this information is available through the Vermont State Dental Society.
  • Comment from Neil that he has an ongoing sub-project to map the deposition across the state – it has not been mapped and he feels this information would be useful for Vermont.
  • Suggestion that hospitals, clinics and other satellite medical facilities are another point source for mercury that should be included in the data reviewed. Currently there is no discharge information available regarding hospital or medical facilities since there are no discharge permit requirements.
  • Neil will submit a document at the end of the year to be included in the recommendations for the Committee’s annual report.
  • Concern that cost for implementation of proposed activities should be considered and budget numbers included in connection with each item listed.
  • Suggestion to prioritize proposed activities.

Agenda Item 3-
Discuss work of NEWMOA through Hospital Disclosure Workgroup.

Many states are not including the legislation provided in the regional model regarding disclosure of mercury content for hospital products. The states are currently evaluating the model language to consider changes that will bring the model language more in line with that adopted for disclosure in Maine. The Environmental Assistance Division will report back to the Committee on any changes in the model language regarding the Hospital Disclosure section.

Agenda Item 4-
Review Recommendations from CPR Committee.

The Collection Program Review (CPR) Committee provided the following recommendations:

Mercury "CPR" Committee
"Collection Programs Review"

Product Collection System Evaluations and Possible Recommendations:

  • Electronics
    • Best addressed through electronics recycling and manufacturer take-back programs, which represent toxic waste streams other than just mercury (such as lead). The current collection programs were determined to be sufficient. No recommendations for change.
  • Manometers
    • The current collection program is very effective in not only removing mercury manometers from farms but also in providing non-mercury replacements. It was felt that funding should be sought to continue the program. The estimated cost to complete the program is $15,000 to $20,000.
  • Medical
    • Larger hospitals are regulated medical waste generators and currently have systems in place to manage hazardous wastes. Smaller rural hospitals have some disposal challenges though. EAD has started a program to work with hospitals for mercury awareness, alternative product selection and potential disposal options. Recommendation is to continue the current EAD assistance program.
  • Dental
    • Dentists have had free mercury disposal for three years and it is believed that most of the elemental mercury has been removed from dental offices. EAD and the Vermont State Dental Society are working together to establish Best Management Practices "Procedures"(BMPs). The committee recommends continuing the current EAD program and developing BMP requirements for dental offices.
  • Appliances
    • Some Solid Waste Districts currently have an infrastructure in place that can facilitate removal of mercury devices from white goods. However, many districts do not remove them. The current system is not efficient but S.91 would be a good way to address any inadequacies. The wording in S.91 identifies "Solid waste management facilities and any business in Vermont who accepts . . . " as the responsible parties. The committee recommends that "Scrap metal facilities" be specifically added to the list of responsible parties in the proposed legislation.
  • Lamps
    • Determine the environmental benefit of lamp recycling prior to any further legislation.
      • Issues of concern raised by various Committee members included:
        • Large volume of lamps
        • Relatively low mercury content
        • High cost to recycle lamps
        • Environmental impact of recycling lamps
        • Concerns for lamp breakage and worker safety
    • Look at ways to improve the convenience of collection for large and small users.
  • Thermostats
    • Potential pledge program – not to sell mercury thermostats.
    • Infrastructure is in place through the hazardous waste collection program and the Thermostat Recycling Corporation (TRC).
    • TRC program is available to contractors at various locations, and households are not restricted from using the collection sites. Thirty-three collection containers are in place around the state. Three wholesalers have collected the bulk of the 400 thermostats that have been collected in VT (as of September 2001). These wholesalers have been instrumental in promoting the program and serving as collection centers. The Committee believes that TRC and the State should provide more promotion for the program to contractors.
    • Promoting the TRC program to homeowners through the M.E.R.C. web site and other promotions.
  • Vehicles
    • Support the EAD pilot program to collect auto switches at salvage yards at end of life.
    • Suggestion that EAD set up a system for salvage yards to direct ship switches to recycler or central collection location.
    • Maintain requirements in S.91 for labeling, phase-out and removal requirement prior to crushing (except back-lit instruments).
    • Provide education to salvage yards on switch removal, collection and storage.
  • Button Cell Battery
    • Suggestion for manufacturer funding of principal point-of-purchase collection/recycling containers.
  • Miscellaneous Categories
    • All miscellaneous categories would fall into items already collected at Household Hazardous Waste (HHW) collection events. As the infrastructure is already in place for these items, no recommendation for change was made.

Challenges to current collection systems:

  • Limited on-going mercury product collection sites.
  • Access to mercury product disposal varies throughout the state.
  • Suggestion to provide financial help to smaller rural districts and municipalities to establish permanent hazard waste collection programs.

Committee comments to the CPR recommendations:

  • The Committee will make determinations as to which recommendations will be considered to be included in the Committee’s 2002 report when the draft report was written.
  • Suggestion to concentrate additional efforts on notifying contractors regarding TRC locations and their requirements under the law. Ira Pike suggested contacting the licensing board for contractor’s mailing information. Representative Pike also suggested that information could be included in information forwarded to contractors when notified for continuing education requirements.
  • Suggestion to set aside an Advisory meeting in next year’s work plan to invite health care representatives to discuss mercury reduction efforts in hospitals.
  • Comments regarding lamp collection systems:
    • Suggestion to form a sub-committee (utilizing some of the participants in the CPR committee) to evaluate cost and benefit of existing state policy to prohibit the disposal of residential lamps in landfills.
    • Chittenden Solid Waste District submitted a letter in reference to their views on residential lamp disposal.
    • The Committee was advised that Laura Routh from the Addison Solid Waste District was also planning to submit a letter with her concerns for worker safety in regard to the disposal of lamps in landfills.
    • Suggestion to compile a cost benefit analysis regarding the benefit of residential lamp disposal examining the issue from every standpoint.
    • The current conflict over a proposed landfill to be located in Barre has considered mercury as a significant concern regarding air emission control on the facility.
    • Concern in the ability to analyze the cost/benefit of residential lamp disposal considering the lack of information to make a proper evaluation.
    • The idea of virtual mercury elimination has been to not introduce anthropogenic mercury into the environment at any level – concern that allowing residential lamps to be disposed in the landfill is an inconsistency in the state’s current policies and laws.

Agenda Item 5-
Report by Bill Bress and discussion on Human Exposure and Sensitive Populations.

Bill Bress was unable to attend the meeting and this item will be included as an item on the next meeting agenda.

Agenda Item 6-
Update on fish advisory postings.

Neil Kamman and Michael Bender will be setting a time to meet with the Department of Fish and Wildlife to discuss details for posting fish advisories and will provide an update to the Committee.

Agenda Item 7-
Other topics not on agenda.

  • Karen Knaebel presented a copy of a poster that was being developed through Maine and EPA regarding mercury levels in fish. The Committee agreed that the poster could be useful.
  • An outline for the 2002 legislative report will be reviewed at the next meeting. Suggestion that a one-page, bulleted document summarizing the report be sent to all legislators and a complete report sent to all members of the House and Senate Natural Resources and Energy Committees.

 

Agenda Item 7-
Set date and agenda for next meeting.

The next meeting will be held on Friday, November 30, 2001 from 9:00 a.m. to 12:00 p.m. in the Conference Room of the Environmental Assistance Division in the Waterbury State Complex in Waterbury, Vermont.

 

   
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