Ariz. Admin. Code § tit. 18, ch. 16, art. 4, app A
Current through Register Vol. 30, No. 50, December 13, 2024
| Plume Characterization | Typical Units |
| Length | feet |
| Width | feet |
| Depth (thickness) | feet |
| Areal extent | acres |
| Volume | acre-feet |
| Plume leading edge advancement rate | feet/year |
| Plume volume expansion rate | acre-feet/year |
| Contaminant and Source Characterization | |
| Probable contributing sources | (number) |
| Number of contaminants | (number) |
| Maximum concentration of each contaminant | µg/l |
| Contaminant concentration vs. MCL | ratio |
| Contaminant mass in plume | pounds |
| Weighted average contaminant concentration in plume | µg/l |
| If present, estimated mass of LNAPL | pounds |
| If present, estimated mass of DNAPL | pounds |
| Sorbed contaminant mass in plume | pounds |
| Rate of downgradient contaminant mass transport | pounds/year |
| Remedial Efficiency | |
| Contaminant mass naturally degraded | pounds/year |
| Contaminant mass removed through remediation | pounds/year |
| Groundwater removed through remediation | acre-feet/year |
| Groundwater added (injected) by remediation | acre-feet/year |
| Net groundwater removed/added | acre-feet/year |
| Groundwater removed per year vs. plume volume expansion per year | percentage |
| Contaminant mass removed per year vs. pre-remedial contaminant mass transported downgradient per year | percentage |
| Time per first log cycle decline in average concentration | years per log cycle decline |
| Cost Efficiency | |
| Contaminant mass removal | $ per pound |
| Groundwater removal | $ per acre-foot |
| Cost per first cycle decline in average concentration | $ per log cycle decline |
Ariz. Admin. Code tit. 18, ch. 16, art. 4, app A