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Column Name: SUB_SURF_IMP_TOT_REL
Description: The total amount of the toxic chemical that was disposed of onsite in RCRA Subtitle C surface impoundments at the facility during the calendar year (January 1 through December 31). This amount represents part II, section 5.5.3A of the Form R. This data element was added in reporting year 2003, when the board release category of "Surface Impoundment" was divided into two sub categories. Those categories being RCRA Subtitle C Surface Impoundments and Other (non RCRA Subtitle C) Surface impoundments (section 5.5.3B).For Dioxin and Dioxin like Compounds, this amount is represented in grams. For all other chemicals, this amount is represented in pounds.Surface impoundments include natural topographic depressions, man-made excavations and diked areas that primarily are made of earthen materials and which hold liquid wastes. These uncovered areas are commonly used to volatilize and/or settle materials. Release amounts may be reported as specific numbers or as ranges. Letter codes are used to represent ranges: A = 1-10 pounds, B = 11-499 pounds, and C = 500-999 pounds. If a facility uses a range code, the amount reported to TRI is the midpoint of the range. Null values will appear as zero amounts.
Envirofacts Table Name(s):
- Data Source:
- Data Element:
- ADABAS File:
Properties:
- Type:NUMBER
- Length:21,7
Definition Source:TRI Data Dictionary