Article 31 When coal, gangue, coal cinder, coal ashes, sandstone, lime soil or other materials is stored in densely inhabited areas, fire and dust prevention measures must be taken in order to prevent atmospheric pollution.

• 第三十一条 在人口集中地区存放煤炭、煤矸石、煤渣、煤灰、砂石、灰土等物料，必须采取防燃、防尘措施，防止污染大气。