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November 2010 mande <br /> Project No. 1001-0343 ® , ®® M,R, <br /> iNOIN!!M,040LOOliTi� <br /> SITE SETUP <br /> A safe perimeter will be established at the work Project Site. The work area will be <br /> restricted to required personnel only. No unauthorized personnel will be allowed within the <br /> established safe perimeter, or will be allowed to enter the Project Site. Control boundaries will <br /> be marked with caution tape if necessary to maintain the established safe perimeter. The <br /> onsite command post will be established at the Padre Associates, Inc. vehicle onsite. <br /> HAZARD EVALUATION <br /> Chemicals Onsite. The following substance(s) are known or suspected to be onsite. <br /> The primary hazards of each are identified along with their concentrations, if known. <br /> Substance Involved Primary Hazard Conci4llation <br /> Diesel Fuel Inhalation and dermal contact NA <br /> Diesel Fuel Dermal Contact NA <br /> Permissible and Recommended Exposure Limits <br /> . I.i,(�: Q9HA P !s�p�!!tw� Nt4ySH 14spp►nv� A631N fi1�Vs(�rmvl <br /> C AwS No: Corhooun >tmsur 10-HotiC ,- <br /> (PPTV) TWA T I cell no TWA sTEI.� :ceiling 11(tk �'F�l. celllna:' <br /> 71-43-2 Benzene 500 1. 5* 25 0.1 NA la 10 NA NA <br /> ' 100-41-4 Ethyl- 800 100* 100* 125* 100 125 NA 100 125 NA <br /> benzene <br /> 108-88-3 Toluene NA 50* 150* 500* 100 150 NA 50 NA NA <br /> 1330-20-7 Xylene 900 100* 300* 15* 100 150 NA 100 150 NA <br /> (0-,M-,P- <br /> isomers) <br /> Notes: Concentrations are in parts per million by volume(ppmv)in air. <br /> Abbreviations are: PEL- permissible exposure limit(10-hour TWA); REL- recommended exposure limit(8-hour TWA <br /> unless specifically stated); TLVs-Threshold Limit Values; (8-hour TWA) TWA-time weighted average; STEL-short <br /> term exposure limit(15-minute TWA unless specifically otherwise stated); NA-currently no available concentration for <br /> compound in question. <br /> a Based on 15-minute TWA. <br /> * PEL and STEL are promulgated by Cal-OSHA in California Code of Regulations(CCR)Title 8§5155. <br />