| pH | - SW-846 Test Method 9040C: pH Electrometric Measurement [PDF]
- SW-846 Test Method 9045D: Soil and Waste pH [PDF]
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| Total Solids | METHOD 1684: Total, Fixed, and Volatile Solids in Water, Solids, and Biosolids [PDF] |
| Moisture | |
| Volatile Solids | Method 160.4: Residue, Volatile (Gravimetric, Ignition at 550°C) by Muffle Furnace [PDF] |