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A follow-up call was held on November 21, 2006 and states selected small quantity generators of hazardous waste and the auto body sector as the measurement groups.

2.2.3 Part B: The Indicator Evaluation Chart

The second part of the work assignment asked states to develop a list of draft indicators for the small quantity generator of hazardous waste group and for the auto body group. States also evaluated each draft indicator to determine how well it would meet the data quality standards of precision, sensitivity, representativeness, completeness, bias and validation. States were also asked to identify the likely data source (e.g. new inspection, prior inspection, report) for each indicator.

Note: States interested in analyzing only one group, prepared draft indicators for just that group.

Below is the Indicator Evaluation template:

STATES COMMON MEASURES PROJECT Group and Indicator Packet INDICATOR EVALUATION CHART

Complete one indicator chart for each indicator you are proposing for the group List your state and group name on each page For each indicator:

  • -

    Provide a number and description (e.g., 1. Stores hazardous waste in properly labeled drums),

indicate data you would use to measure it and where that data comes from (e.g. prior inspection data from compliance and enforcement files, new inspection or site visit, report, survey etc.).

  • -

    Mark the appropriate box for each “data quality indicator” and briefly describe any important

data quality issues related to that data quality indicator (e.g. representativeness might be poor because using data from prior inspections and these were not chosen randomly).

STATE

GROUP

#

Indicator Description

Data Source

Data Quality Indicator Precision

Good

Okay

Problem

Issue:

Sensitivity Representativeness Completeness Bias Validation Other issue:

See Appendix E for aggregated data on indicator evaluation chart.

The States Common Measures Project Final Report

35

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