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trigger an upgrade from Ieavel U to level C protection. Breathing <br /> zone con&Rntract ions in excess of 250 ppm will stop the_ work 'e?n- <br /> ite until the work zone concentrations are reduced to below 250 <br /> PPM. <br /> E NP(_(?YE:E- 'ff3A1N1N(r WN1) 1Nf=ilnMAT1(lN <br /> ..............................................._.._...._..........__...._.__................................... <br /> All personnel working have, completed the certified 40 hour Osha <br /> h azardoms paste trcaininq course, and have been trained in the <br /> following h iect ive?s : <br /> Cr Workers are aware of potential hazards they <br /> may encounter. <br /> VYrot'1le lege? and skills rl[?Cesar) to perform the work <br /> With minimal ri:;k to works health and safety. <br /> F"as rn i. ].��r i. : �r t i ,'r w? .), the Site Safety plan <br /> ' and <br /> ,siiaF,-.,r�K,r:.ific re?cxalirF?nrear-rt=s. <br /> The training '-flan for this site f?fnle_'ompeasse s : <br /> ii Potential physical and chemical health hazards. ' <br /> 0 Pe:?spi rfatory protection,tion, rat ].orale, use, fllAInte?nF ice <br /> And fit testing. <br /> Q Protective clothing, use and maintenance. <br /> 0 Entry, exit and decontamination proe:eoure s. <br /> Q Dr.-c_•1_tnrt.nt at ion and record keeping proc_6dureys. <br /> Ila:_tard f_xP.!� ;r-trc? Gr.IA-gr?l ir-'e <br /> Subst anc_e:_n CAL._ OSHA 1968-89 'ACO N <br /> k'E=L TLV <br /> Benzene 10 ppm ( fWM) 10 ppm (TWA) <br /> 25 ppm (EXC) 25 ppnr (STEL) <br /> 50 ppm (Ceiling) <br /> Toluene 100 ppm (TWA) lira ppm (TWA) <br /> 300 ppm (Ce i 4 i ncl) 150 Fpm ' (STEL) <br /> Xylene 100 ppm (TWA) 100 ppQ (TWA) <br /> 150 ppm (STEL) <br /> saso l i nes 300 ppm (TWA) 300 ppA (TWA) <br /> 500 ppm (STEL) <br /> Etheldib&mide? 20 ppm (TWA) . 045 ppm (TWA) <br /> 0 pf:mr (Ceiling) . 13 ppnr (STEL) <br /> 50 ppm Q win. mam peak.) <br /> Tet:rasthyl: Lead . . 075 mp/m3 . 075 mq/m3 <br /> All of the above ,area compounds that way be encountered during <br /> e'xcavat kon. Common sensed dictates when levels are such that <br /> extra Protection is necessary. <br />