B-9: Current and Historical Groundwater Elevations and NAPL Thickness Revision Date: Incident Number and Name: Facility ID#: Top of Depth to Water* Groundwater Screened NAPL Date Depth to Water* Well Casing Interval (Corrected Surface for Thickness Measured (Uncorrected) ID # Elevation NAPL Thickness) Elevation** (top of screen, (feet) (mm/dd/yy) (feet) (feet) bottom of screen) (AMSL) (AMSL) * Depth to Water is measured from Top of Casing ** If NAPL is present in a well, groundwater elevation is calculated by: [Top of Casing Elevation - Depth to Water] + [NAPL thickness x 0.8581]
B-9: Current and Historical Groundwater Elevations and NAPL Thickness Revision Date: Incident Number and Name: Facility ID#: Well ID # Top of Casing Elevation (AMSL) Screened Interval (top of screen, bottom of screen) Date Measured (mm/dd/yy) Depth to Water* (Uncorrected) (feet) NAPL Thickness (feet) Depth to Water* (Corrected for NAPL Thickness) (feet) Groundwater Surface Elevation** (AMSL) * Depth to Water is measured from Top of Casing ** If NAPL is present in a well, groundwater elevation is calculated by: [Top of Casing Elevation - Depth to Water] + [NAPL thickness x 0.8581]
COMMENT%20DRAFT%20Appendices%20for%20STIRA%20CHANGE%206_20170301.docx