Managing uncertainty through better upfront planning and flexible workplans
Download
1 / 31

Managing Uncertainty through Better Upfront Planning and Flexible Workplans - PowerPoint PPT Presentation


  • 71 Views
  • Uploaded on

Managing Uncertainty through Better Upfront Planning and Flexible Workplans. Northeast States’ Improving the Quality of Site Characterization. Albert Robbat, PhD Tufts University, Chemistry department Center for Field Analytical Studies and Technology Medford, Massachusetts 02155

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Managing Uncertainty through Better Upfront Planning and Flexible Workplans' - janna-warner


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Managing uncertainty through better upfront planning and flexible workplans

Managing Uncertainty through Better Upfront Planning and Flexible Workplans

Northeast States’

Improving the Quality of Site Characterization

Albert Robbat, PhD

Tufts University, Chemistry department

Center for Field Analytical Studies and Technology

Medford, Massachusetts 02155

tel 617-627-3474; [email protected]


What s the problem
What’s the Problem Flexible Workplans

  • Hazardous waste site characterization and cleanup is expensive and time-consuming.

  • Small sites to extremely large sites require the same systematic planning and scientific assessment.

  • Money is tight, yet data volume is needed to make sound scientific decisions as to the nature and extent, if any, of contamination.

  • New sampling and analytical measurement technologies have been that have the potential to greatly reduce cost and time.

  • New processes have been developed and promoted by state and federal agencies, but are rarely used.

  • Why??


What s the opportunity
What’s The Opportunity Flexible Workplans

  • Systematic Planning, Dynamic Workplans, Field Analytics and On-site Decision Making together can:

    • Provide more information at less cost and over shorter time periods.

    • Provide screening to quantitative “risk” quality data, when and where needed.

    • Increase field personnel efficiency and on-site decision making confidence.

    • Increase site-specific information and final site characterization decision confidence.


Conversion of an abandoned chemical plant to an entertainment complex
Conversion of an Abandoned Chemical Plant to an Flexible WorkplansEntertainment Complex

Brownfields

Redevelopment


Urban waste sites converted to an industrial park
Urban Waste Sites Flexible WorkplansConverted to an Industrial Park

Brownfields

Redevelopment


What is Decision Making Uncertainty? Flexible Workplans

What is Sampling and Analysis Uncertainty?

How Many Wells?


What is Decision Making Uncertainty? Flexible Workplans

What is Sampling and Analysis Uncertainty?

How Many Soil Samples?

What Role Does Heterogeneity Play in the Sample Collection, Analysis, and Decision Making Process?

Rapid in situ

Sample Collection and Analysis


Better contamination depth profiles
Better Contamination Depth Profiles Flexible Workplans

DAF, dilution attenuation factor


Rapid Direct MS Measurements Flexible Workplans


Direct Flexible WorkplansIn situ TECP-MS





Traditional approach
Traditional Approach Flexible Workplans


Dynamic workplan approach
Dynamic Workplan Approach Flexible Workplans


Systematic planning and dynamic workplan
Systematic Planning and Dynamic Workplan Flexible Workplans

  • Select Core Technical Team

    • Designate one member with authority to make final field decisions

    • Develop workplan “thought process and rules-to-follow” in the field

    • Although in Massachusetts and Connecticut upfront buy-in is not needed, adherence to the documented “thought process” will help insure acceptance of field data results

  • Develop Conceptual Model & Decision Making Framework

    • Produce map depicting vadose zone and groundwater flow systems that can influence contaminant movement

    • Establish DQO’s to ensure type, quantity, and quality of field data

  • Develop Standard Operating Procedures

    • Produce performance methods that support the DQO process

    • Document MDL’s prior to field mobilization


  • Systematic Planning and Dynamic Workplan Flexible Workplans

    • Develop Data Management Plan

      • Integrate chemical, physical, geological, and hydrogeological data

  • Develop Quality Assurance Project Plan

    • Define technical team/regulators responsibilities consistent with EPA/state policy

  • Prepare Health and Safety Plan

    • Establish DQO’s to monitor worker/community safety


  • Performance based
    Performance-based Flexible Workplans

    • Field Requirements

    • Collect samples quickly

    • Analyze samples quickly

    • Review and report results quickly


    Pbms keys to success
    PBMS/Keys to Success Flexible Workplans

    • Experienced, trained personnel

    • Data produced must provide level of assurance that it meets sufficient accuracy, precision, selectivity, sensitivity, and representativeness to meet project-specific DQO’s

    • Legal Defensibility, Rule 702, Determination of Reliability

      • technique tested, subject to peer review, accepted by scientific community

      • method reproducible, with potential rate of error known

    • Visible & well-documented practices and procedures manuals for effective quality system


    High performance quality control
    High Performance/Quality Control Flexible Workplans

    • Blanks, LCS, SRMs, MS, MSDs

    • Calibration & Continuing Calibration

    • Peak Integration

    • MDL’s

    • DQO’s

    • Data Useability

    • Reporting


    Field Analysis of Organics Flexible Workplans

    • In situ or Hand-held Vapor Analyzers

      • ECD, FID, PID provides signal response in seconds

    • Portable GC’s with Selective Detection

      • ECD, FID, PID provides screening data in seconds to 10’s minutes

    • Field GC’s with Selective Detection

      • ECD, FID, PID provides semiquantitative data in 10’s of minutes

    • Field GC’s with Mass Spectrometry Detection

      • Provides semiquantitative to quantitative data in seconds to 10’s of minutes

    • In situ Mass Spectrometry

      • Provides semiquantitative data in seconds

    • Immunoassay or colorimetric Kits

      • Provides screening data in 2-15 min


    eNose Detection of Volatiles Flexible Workplans

    By Direct Measuring MS

    Or TECP-MS

    50 compounds

    detected in 20 sec


    Field Analysis of Metals Flexible Workplans

    • x-ray Fluorescence Spectroscopy

      • Provides screening to quantitative data in seconds to 10’s of minutes

    • Inductively Coupled Plasma/Optical Emission Spectroscopy

      • Provides quantitative data in minutes

    • Anodic Stripping Voltammetry

      • Provides quantitative data in minutes

    • Immunoassay or colorimetric Kits

      • Provides screening data in 2-15 min






    Barriers
    Barriers Flexible Workplans


    Why is the Same Technology Readily Accepted in Other Regulated Markets?AnswerThey have learned how to deal with measurement and decision making uncertainties!!


    Research funding logistical support
    Research Funding & Logistical Support Regulated Markets?

    • U.S. Environmental Protection Agency

    • Army Environmental Center, Joliet Ammunition Plant

    • Hanscom Air Force Base

    • Department of Energy

    • Agilent Technologies

    • State Regulatory Agencies

    • OHM, CH2MHill, Jacobs Engineering, Bechtel

    • Charles River Laboratories, Pharmacopeia


    ad