Passive 'no-purge' Sampling

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1. Are you familiar with taking groundwater samples using passive or ‘no-purge’ samplers?

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2. Have you ever used a passive sampling technique?

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3. What is your usual/preferred method of groundwater sampling?

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4. What was the reason for choosing your current sampling technique?

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6. In your projects, are your sampling events repetitive or one-off?

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7. What percentage of your sampling events are repetitive?

0% Percentage 100%
i We adjusted the number you entered based on the slider’s scale.

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8. If your sampling events are repetitive, what is the typical frequency?

1 month Frequency 12 months
i We adjusted the number you entered based on the slider’s scale.

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9. Are you experiencing any unexplained variability between your sampling results?

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10. Do you believe your results are obtained efficiently and show consistency?

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11. If you are using a passive sampling method, which type are you using?

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12. Have you encountered any restrictions or objections when using this method?

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13. What is the most common internal diameter of the wells that you are monitoring?

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15. What is the deepest well you are required to sample regularly?

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16. Do you have problems obtaining samples from wells which have very low recharge?

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17. Passive or ‘no-purge’ sampling in general shows substantial cost savings. On average what proportion of your overall budget comprises of the sampling costs?

0% Percentage of sampling costs to total project costs 100%
i We adjusted the number you entered based on the slider’s scale.

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18. What would make you consider changing your current sampling methods?

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19. If you do not have experience with the passive or ‘no-purge’ sampling method, would you be interested in attending a seminar?

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