# AcidDrainageIndicators

> Acid mine drainage indicators of a sample.

> **AcidDrainageIndicators** = `object`

Acid mine drainage indicators of a sample.

## Properties

### net\_alkalinity?

> `optional` **net\_alkalinity?**: `number`

`alkalinity_total_as_caco3 − acidity_total_as_caco3`, mg/L as CaCO₃.

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### sulfate\_chloride\_ratio?

> `optional` **sulfate\_chloride\_ratio?**: `number`

`sulfate / chloride` mass ratio (mg/L ÷ mg/L).