N.M. Admin. Code § 19.11.4.19 - TABLE 2 - CLOSURE CRITERIA FOR GEOTHERMAL WASTE LEFT IN PLACE IN PITS

Depth below bottom of pit to ground water less than 10,000 mg/l TDS	Constituent	Method*	Limit**
25-50 feet	Chloride	EPA 300.0	20,000 mg/kg
51-100 feet	Chloride	EPA 300.0	40,000 mg/kg
>100 feet	Chloride	EPA 300.0	80,000 mg/kg

*Or other test methods approved by the division

**Numerical limits or natural background level, whichever is greater

Notes

N.M. Admin. Code § 19.11.4.19

Adopted by New Mexico Register, Volume XXIX, Issue 04, February 27, 2018, eff. 2/27/2018