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=� � "s "` r- 'dz e `F... mac* ': 3 's' 5G^:' - c � -` r•.s „r 's .k sx.;F,'""" v,,or-`rq` c.�' "r s''„_ ..efa"^ s� - <br /> . <br /> wrd. „re"rwasr_r,. . . ..� � Ti�C�f:.�:1'a3�"id.Bpi" �Aii.�3r.. "'�.�+•s` �S�ra6xi' '- ii�s"Vi`.� -;-am�r^,.>:....�,:r,-.�esa�a,..;..,s"a.:eTn.m,�x�. e... -. <br /> A) Com- buratP to (#ncina and vnp_� <br /> Potentially oxploniva concontraationa of ganan and vaporu <br /> will be nonitoe:ad at latent once: ovary 15 minuton during <br /> onmpling nctivitites uaing a combuutible qan motor. If at <br /> any t1m a this concontrration oxc:oodo 201 of the lower <br /> eaxplossivo limit (LEI.), activitlou will atop and thet area <br /> will be evacuated until gate lavolu have been roducod to loan <br /> than 201 of the LEL, and the aourco of combuntiblo Unnon or <br /> vapors has boon doteraeined. <br /> I3) 'Total Organic Vaporn <br /> A direct reading photoionization dotecticn (PIU) eroter (11NU <br /> PI 101 or equivalent) will be uned to monitor the <br /> concentrations of organic vapors in tho work area. <br /> Haosurements will be token at least once revery 15 minutusu <br /> during nurfaco and uobvurfoca somplo collection. Tho motor <br /> will be calibrated with inobutylene. Total organic vapor <br /> measurements will be used to determine the appropriate <br /> levels of respiratory protection and conditions for site <br /> evacuation. Total organic vapor concentrations in the <br /> workors breathing zona its "case of 10 ppm above background <br /> will trigger sampling . for b*snzano with a direct reading <br /> �:oiurmetrie tuba. Breathing zone concentrations in excess <br /> of 250 ppm will stop the work on-site until the work zona <br /> concentrations taro reduced to below 250 ppm. <br /> C) RESPIRATORY PROTECTION <br /> If total organic vapors exceed 10 ppm in additional sampling <br /> for benzene will be performed using direct reading <br /> colormetric tubes. If benzene concentrations exceed 10 ppa . <br /> personal .pro.taction will be increased to Level C. <br /> EMPLOYEE TRAINING AND INFORMATION <br /> Prior to site activity, Waterwork will conduct training for all <br /> site personnel without a previous documented hazardous waste <br /> training course. The training will have the following <br /> objectives: <br />-- --- +-------—Ensure--that-€corkers-are-awPare-of-potential--hazards-- -_._.----- ----- <br /> they may encounter. <br />