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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HJ 1232-2021 |
Technical guide for three-level inspection of sewage outfalls into rivers (seas){译} {译} 入河（海）排污口三级排查技术指南 |
China Environment Industry
Standards Technical guide three |
 English PDF |
| DL/T 1375-2014 |
Technical guide for power quality assessment. Three-phase voltage unbalance 电能质量评估技术导则 三相电压不平衡 |
China Electricity & Power
Standards Technical guide three |
English PDF |
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