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AUG-1—_­1993 08:29 FRCt'l P.j9L 1 C HEALTH SERU i CES TO 94640138 P.02 <br /> AL9`-G acs 19 SROM CA Ir1TErRR1l=u WHtdt robot Lu 6Z <br /> No. 946 November 6, 199T <br /> Publication No.232-97-019 <br /> Site Speer Health and Safety Report <br /> EVALUATION OF EMPLOYEE REALTH R1SK. <br /> FROM OPEN TIRE BU&NING <br /> Purpose <br /> The hoard recognizes.hat there are times`v itm an mplo''e=. `n performing field duties,may <br /> inadvertently be exposed to potentially hazardous environ;;tenurn <br /> ts associated with tire b=in?- It is fivard <br /> Policy to providC 3 sate anti Itesithrui working environment for all of its emplay%cs. LEAs=d SMIT <br /> a orkinc withitr the per,-hitting and Enforcement Division may pmvide tecltnic3l assistance in response to <br /> a ?ire fifC. The intent of thisCl{JCll'S1elSt i5 to provide Wuidartce to prevent and cr prctectthem rMM unsafe <br /> conditions. TO predict the dYact tonditiotts, stttissioas,ar, potential exposure to opCn btrrtri�of tires <br /> exlmrncsy difficult due to variability of site conditions. T?*is document is a cempilatian of availabie <br /> :nforrnation through literature review,known tire fire dots,and other availabie information. <br /> Introduction <br /> It has been estimated that aver 2M Million tires are generate+ each year in California.of which 21 <br /> ctiiliion are considered waste tires.' Qttly about Otte-half of Otte percestt by wei&of the tctai MunictPai <br /> solid waste St.-Cam consists of tits. However, their shape.Sim and physical and clten,ical gropertie3 <br /> present an unusually challenging disposal problem. <br /> In the}past few years, many lardf,lls have refused to accept tires because they present imA arty a diVosa( <br /> problem (ststtste prohibited tate disposal of whole tires after 1993 In permitted solid waStt disposal sites) <br /> h„r l,ealrh-t-elatecl prnhirrr�c Facilities dkprxing of Liter have ;rrcrea�d their fees,rCSniting in the <br /> c:eatien of tire stockpiles and illegal durnps. When improperly”managed. these stockpiles present a <br /> significant risk to the environment and public health. The risks arise frcin die potential for tires and the <br /> Pott,:riot tv LcLcruc zt ln,=di.:g g,vuod tot iubc .s.eaprcialiy :nasguitvts. <br /> Tires are highly cornbustibie. Even when densely piled;t}9"carr be Mug}t oxygen supply for <br /> cernbustion. Tire fires are most often started by arson.and gcn=tc a large amount of hcot,which makes <br /> them ext;eznely difficult to extinguish. Some Lire rues itave c.,m6rtued to burn for amvrtths. An exampie <br /> is the Rhinehart tire fire in Winchester, Virginia, which burned ;or near(y nine months. ii Tliis <br /> :rrreontrolled bunting of tire piles produces". oke and toxic air pollutants, inciuding benzene and <br /> polycyclic aromatic hydrocarbons(FAH). T.� intense heat leads to the generation of pyroi)tic oil that <br /> mixes with extinguishing material,contarninatinz surrcunding soils, surface waters,and groundwater.t <br /> General informatioa <br /> Tires are a mixture of vulcanized or cross-linked polyene.-s,carbon black,dispersing ail,sulfur,synthetic <br /> fibers,pigments, processing c:hemkals,and steel <br /> or fiberglass.41 Tire m,anufacturers ase a variety of <br />