cam a22 u 4500 128598255 CHVBK 20140824043716.0 hz |||||||||| 880212s1979 xxu b 00 eng|d PB-80-131840 EPA-340-1-79-002 (OCoLC)638475536 (NEBIS)000222483 ETH-BIB ger ETH-BIB ETHICS-ISBD Control of air emissions from process operations in the rock crushing industry Mikroform prep.: JACA Corporation, Fort Washington - Pa Springfield - Va. 1979 2 Microfiches. Stationary source enforcement series 1 MF Andere Mikroform = Autre microforme NEBIS 490 -- Stationary source enforcement series BK020000 XK020000 XK020000 NEBIS E01 E01 RP MIKR: PB80/131840