N.M. Admin. Code § 19.11.4.18 - TABLE 1 - CLOSURE CRITERIA FOR SOILS BENEATH DRYING PADS ASSOCIATED WITH CLOSED-LOOP SYSTEMS

Depth below bottom of pit to ground water less than 10,000 mg/l TDS	Constituent	Method*	Limit**
=<50 feet	Chloride	EPA 300.0	600 mg/kg
51-100 feet	Chloride	EPA 300.0	10,000 mg/kg
>100 feet	Chloride	EPA 300.0	20,000 mg/kg

*Or other test methods approved by the division

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

Notes

N.M. Admin. Code § 19.11.4.18

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