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AZ

AR

CA

CO

CT

DE

FL

ID

IL

IN

KY

LA

ME

MD

MA

MI

MN

MS

MO

MT

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Table 1 – Survey Information by Individual States

1. Do your regulations contain general and/or specific requirements for CQA conformance testing for geomembranes, geotextiles, geocomposites, geogrids and plastic pipe?

    • a.

      All yes

    • b.

      All yes except pipe

    • c.

      All no

    • d.

      GM only

    • e.

      GM and pipe

  • 2.

    If no, does your agency rely upon:

    • a.

      US EPA guidelines (min. tech. guidance)

    • b.

      Manufacturer’s data

    • c.

      Design consultant’s data

    • d.

      Literature or historical data

    • e.

      Other - CQA conformance plans

3. Does your regulation specifically state the interval for destructive seam sampling of geomembranes?

    • a.

      Yes

    • b.

      No

  • 4.

    If yes, at what interval?

X

500’ *

X

500´

X

X

X

X

X

X

X

500’

X

500´

X

X

X

X

X

500’ *

500’

X

X

X

X*

  • 5.

    If no, how do you approach the situation?

    • a.

      Design consultants recommendation

    • b.

      CQA organization recommendation

    • c.

      Manufacturer/installer recommendation

    • d.

      Other- Independent contractor Use Standard of 500 ft or GM14

  • 6.

    Do your regulations or guides allow for a nondestructive (NDT) alternativ

to destructive tests? Allows infrared sensing Allows ultrasonic testing Allows electrical leak integrity survey Allows spark testing Other – Air lance testing Vacuum chamber method Requires NDT testing, but method not specified

7. Does the use of any of these NDT methods allow for reduction or elimination of the destructive sampling protocol?

  • a.

    Yes

  • b.

    No

  • c.

    Maybe/Possibly

e

X

X

X

X

X

X

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X X X

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*

X

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*Florida – Changing regulations to say DT are required at 500 ft interval unless applicant chooses to use an electrical leak location method. In that case, DT will be allowed at every 1000 ft of seam. *Indiana – 500’ if welded with fusion weld and 400’ if welded with an extrusion weld

NE

X

X X X X

X

X X

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