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NV

NH

NJ

NM

NY

NC

ND

OH

OK

OR

PA

RI

SC

X

X

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X

X

X

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X

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Table 1 (continued) – Survey Information by Individual States

  • 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?

*New Jersey – every 400’ with temps 32-40˚ and every 500’ with temps over 40˚.

  • *

    South Carolina – all are possible, but everything is done on case-by-case basis. These answers apply to the Division of Waste Management only.

*Utah - is evaluating reducing or eliminating destructive testing. *Wisconsin – not in the regulations, but reduction of destructive sampling frequency has been allowed to every 1000 ft of seam

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

500’

500’

  • 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)

alternative 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

a.

All yes

b

All yes except pipe

c.

All no

d.

GM only

e.

GM and pipe

500’

X

X

X

X

X

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X

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X

500’ *

500’

X X X X

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SD TN

TX

UT

VA

WA

WV

WI

WY

X

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X X

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X X X

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500’

X

X

X

X X X

500’ *

X

X X

X X X X

X

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X*

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