1. 環境保護要求                                                                                                                 《中華人民共和國憲法》規定，國家保護環境和自然資源，防止污染和其他公害。                           《中華人民共和國大氣污染防治法》規定，“向大氣排放粉塵的排污單位，必須采取除塵措施。嚴格限制向大氣排放含有有毒物質的廢氣和風塵，確需排放，必須經過凈化處理，不超過規定的排放標 準                                                                                                                                        2環境保護排放標準                                                                                                            根據大氣污染總量控制的要求，大氣污染物主要排放標準包括：                                           GB3095-1996  環境空氣質量標準                                                                                        GB16297-1996  大氣污染物綜合排放標準                                                                                                                                      GB9078-1996   工業爐窯大氣污染物排放標準                                                                                                                             GB16171-1996  煉焦爐大氣污染物排放標準                                                                                                                                    GB4915-2004    水泥廠大氣污染物排放標準                                                                                                                              GB14544-1996    惡臭污染物排放標準                                                                                                                                      GB13233-2003    火電廠大氣污染物排放標準                                                                                                                             GB13271-2001    鍋爐大氣污染物排放標準                                                                                 以上法律和相關規定，為我國控制大氣污染  保護生態環境  發展環境保護產業  保障人民身體健康  促進國民經濟建設的發展，提供了法律保障。