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1、表1公共場所質量濃度轉換系數K值（根據標準WS/T206-2001）密閉空調房間一般公共場所可見光光散射數字粉塵儀K1范圍建議值范圍建議值0.013-0.0150.0140.016-0.0210.02表2~8為勞動衛(wèi)生各種粉塵質量濃度轉換系數K值。表內K1為呼吸性粉塵、K為總粉塵表2采石場粉塵（TB/T2323-92）粉塵種類顏色密度g/cm3質量分散度μm（%）K值＜225＞10KK1石灰石鑿巖粉塵灰白2.9105.911.482.70.42880.1405石灰石鑿巖粉塵白2.7201.88.689.60.34830.0787石灰石破碎塵白2.7001.9
2、12.885.30.43370.0771石灰石破碎塵灰白2.9008.212.679.20.50000.1524石灰石磨砂塵（進料）灰白2.9601.68.190.30.19670.0521石灰石磨砂塵（出料）灰白2.904.410.616.069.00.34690.0808表3水泥廠粉塵（TB/T2323-92）粉塵種類顏色密度g/cm3質量分散度μm（%）K值＜225＞10KK1水泥塵灰3.1033.525.623.617.30.45700.0890孰料塵深灰2.6521.619.124.934.40.25200.0630石灰石塵灰2.709.509.7
3、13.767.10.26500.0680粘土塵黃2.6011.211.212.764.90.89400.2960混合生料塵鐵灰2.601.81.811.480.20.40400.0780煤塵黑1.434.94.912.475.51.02500.6010表4隧道施工粉塵K值（根據標準TB/T2323-92）粉塵種類顏色密度g/cm3質量分散度μm（%）K值＜225＞10KK1灰質頁巖粉塵灰2.7120.017.617.045.40.19900.0870砂巖塵黃紅2.6923.317.416.642.70.06500.0460花崗巖塵灰綠2.703.512.61
4、8.965.00.06800.0190碳質頁巖塵晶灰2.704.19.416.869.70.04300.0280噴錨塵深灰2.800.04.217.977.90.12700.0530噴錨塵深灰0.23400.0370柴油炭煙塵黑0.06700.0500表5鑄造粉塵（TB/T2323-92）工藝設備粉塵種類顏色密度g/cm3質量分散度μm（%）K值＜225＞10KK1碾砂臺型砂白陶土深灰2.6413.214.515.956.40.46900.1930造型機型砂白陶土深灰2.144.53.08.384.20.07800.0320一次清理電焊氣刨塵灰3.120.0
5、10.915.473.70.04100.0250拋丸機氧化皮砂鐵灰2.620.03.47.289.40.17400.0610落砂機砂0.55600.1540滾筒清砂氧化皮砂灰2.570.03.88.188.10.31800.1270半噸拋砂氧化皮砂鐵灰2.852.35.58.783.50.34400.1290多角篩干型舊砂鐵灰2.684.17.912.975.10.32200.1280碾砂機砂白陶土灰2.645.17.011.776.20.75000.3800砂輪清鏟砂氧化皮0.34000.0770電弧溶媒爐氧化鐵深灰2.460.02.46.591.10.1
6、4200.0500表6制磚、電焊及其他粉塵K值（根據標準TB/T2323-92）工藝設備粉塵種類顏色密度g/cm3質量分散度μm（%）K值小于225＞10KK1502電焊塵0.03240.0240422電焊塵0.02080.0150混合焊塵0.04140.0250機車防滑干砂房砂灰黃2.253.15.77.583.70.50300.2440閘瓦氧化鐵砂鐵灰2.852.74.38.584.51.17000.4000鍋爐灰黑1.450.02.34.193.60.67400.3570煤灰塵木塵黃白1.08900.6220制磚出坯粘土砂爐灰褐黑2.315.76.28
7、.979.20.68800.3070制磚窖內粘土砂爐灰紅黃2.410.07.19.783.20.83400.4570水泥廠煤塵黑1.310.01.93.894.30.59900.2440電力車間除銹氧化鐵褐2.734.28.413.573.90.55500.2190鋁窗打磨氧化鐵碳化硅灰褐3.513.84.17.684.50.77600.3290表7幾種粉塵現場測定的轉換系數K值表工藝設備粉塵種類顏色總粉塵轉換系數K呼吸性粉塵轉換系數K1幾何平均值幾何標準偏差幾何平均值幾何標準偏差破碎機皮帶機煤塵黑1.330.09361.15電焊CO2焊焊接塵灰0.0433
8、1.17鍋爐房煤灰塵灰黑0.2931.23破碎機石灰
