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Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated. |
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This web site provides query access to over 200 million monitoring records originally reported to EPA via the Legacy STORET System. |
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| Composite Statistic | ||||||||||||||
| Code | Name | Performance Type Ind | Print Format | |||||||||||
| A | Average | N | AVE | |||||||||||
| H | Maximum | N | MAX | |||||||||||
| L | Minimum | N | MIN | |||||||||||
| N | Number of Observations for the Sample | N | NUM | |||||||||||
| S | Standard Deviation | N | SD | |||||||||||
| U | Sum of Squares | N | SS | |||||||||||
| V | Variance | N | VAR | |||||||||||
| C | Coefficient of Error | N | COF | |||||||||||
| X | Coefficient of Variance | N | COV | |||||||||||
| E | Skewness | Y | SKW | |||||||||||
| F | Kurtosis | Y | KUR | |||||||||||
| Z | Number of Samples in Composite Exceeds Established Limit | N | EXC | |||||||||||
| % | Precision | Y | PRE | |||||||||||
| $ | Accuracy | Y | ACC | |||||||||||
| B | None of the Above | N | ||||||||||||
| D | Indicates Replicate Sample | N | REP | |||||||||||