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safe work practices and the use of water to allay potential airborne dust will be employed to reduce the <br /> potential for significant exposures to airborne co litaminants. <br /> Detailed information regarding the physical description of T22 (CAM 17)Metals, PCBs and petroleum <br /> hydrocarbons (VOCs), including health hazards routes of entry into the body, signs and symptoms of <br /> exposure, and target organs and chemical and physical properties are available in Attachments A, B, C <br /> & D — T22 (CAM 17) Metals, Attachment E — Petroleum Hydrocarbons and Attachment F — <br /> ` Chlorodinhenvls (PCBs). The chemical guides for T22 (CAM 17) Metals, petroleum hydrocarbons, <br /> and chlorodiphenyls are published by the N ional Institute for Occupational Safety and Health <br /> (NIOSH)2007; the Substance information sheets for Arsenic, Cadmium, and Lead and are Appendices <br /> L. A of T8 CCR §§5214, 1532 and 1532.1 respectively, Chromium VI(T8 CCR §1532.2) hazards are on <br /> page 5 in Attachment A T22 (CAM 17)Metals. <br /> L Type(s)/Source: <br /> • Title 22 (CAM 17) metals (antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, <br /> L copper, lead, mercury, molybdenum, nickel, selenium, silver, thallium, vanadium, zinc) from <br /> impacts to soil at former industrial facilities. <br /> • Petroleum hydrocarbons(VOCs)from under gound storage tank. <br /> L <br /> • Polychlorinated biphenyl compounds(PCBs] <br /> 3.8.1 T22 (CAM 17) Metals <br /> Exposure Route: Inhalation and inges ion; ref.Attachment A—T22(CAM-17)Metals <br /> �- Exposure signs/symptoms: See Attachment A(nDf.NIOSH Pocket Guide to Chemical Hazards) <br /> and Attachments B, ,and D. <br /> Qualified Exposure Risk: Low to moderate <br /> Hazard Controls: <br /> • Site Control—Isolation and control access to work/sampling locations <br /> v <br /> • Engineering Control—T8 CCR§5145 wet in thods to suppress airborne dust and adherence to <br /> specific work methods and procedures <br /> i. Negative Exposure Assessment: Results of ridustrial hygiene monitoring of representative tasks <br /> and sampling procedures for aerially depos' d inorganic lead (ADL), which is representative of <br /> potential exposure to CAM 17 metals,using hese controls document exposures consistently below <br /> L the d Action Level for airborne lead(ref. T8 CR§1532.1(d)(5)(A)). <br /> • Avoid contact with,and inhalation of potenti lly contaminated dust <br /> PPE—Gloves/safety glasses;possible us of spirators <br /> • Avoid unnecessary contact with potemiaII3 contaminated soils; follow sanitation and personal <br /> hygiene procedures outline in Section 4.3. <br /> L <br /> Linden UST SI and Removal,Task Order No.34 Caltrans Contract 06A1895,EFIS 10-1300-0181-0 <br /> Geocon Project No.59800-01-34 - 12- October 2013,Revised September 2014 <br />