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Mr■ J'Ogaph C. Pot4rson <br /> November 22, 1991 <br /> Page a <br /> The uatarial is recyalOd Within 90 days of its <br /> genoration. <br /> * <br /> The material is Managed in accordance with all <br /> westecunderrthe Chapter and irements for regulationaenerators oadQateddous <br /> Department. P by the <br /> The exelnptiQli must not be auPerseded by =y of the <br /> Provisions listed in subdivision (e) of the ante <br /> section. <br /> Section 23143.2 (d) (l) , HSC excludes nQn-RCRA reayclIble <br /> mateti al from being classified as "vastest ,� <br /> Ua'sd it th* site where the material iii gen atelliendg�eleci ands <br /> Pol].awing requirements are met, <br /> * The OXClusinn must not be euperZoded by any of the <br /> provisions listed 3n subdivision (e) of the same <br /> section. <br /> * The r000rdkeoping requirements of subdiviajon (f) of <br /> the 0=0 604tion are mot. <br /> * The material is managed in accordance with Section <br /> 25141.9 ]loc. <br /> It is our understanding that the ferrous sulfate crystals <br /> requires centrifuging (to remove OXC63S acid) , washing, and <br /> dewatering prior to shlPment offsite for reuse. <br /> The id and <br /> Water are recovered and recycled to the sulfuric acidarecovery <br /> system. This activity Would also be considered onsite recypiing <br /> and, therefore, exempted from permit requirements ar excluded <br /> from regulation as waste. <br /> In regard to the f0rrcus sulfate crystals, Section <br /> 25143.2(d) (7) , HSC would exclude ttta ferrous aulfate Crystals <br /> from being claaaifi*d as a waste sr the material is used or <br /> roUmed as a safe and effootive substitute for a commercial <br /> Product'and the f0210wing conditions are stet. <br /> Tho material is a non-R= wasto and fs not roclaimad <br /> Prior to use or muse. <br /> The 4xclUoion mast not be euparaadod by any of the <br /> Provisions listed in subdiv,iSion (e) of Section <br /> 25143.2, HSC. <br />