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S9200-06-82 ATTACHMENT B— t'22 (CAM-17) Metals NIOSH Guwe to Chemical Hazards- 2005
<br /> Formula: CAS#: RTECS#: IDLH: Ca [15 mg/m'
<br /> Cr0_, (acid) 1333-82-0 (CrO3) GB6650000 (C'O')
<br /> {as Cr(VI)l]
<br /> Conversion: DOT: 1755 154 (acid solution); 1463 141 (acid, solid)
<br /> Synonyms/Trade Names: Chromic acid (CrO3): Chromic anhydride, Chromic oxide, Chromium(VI) oxide (1:3),
<br /> Chromium trioxide. Synonyms of chromates ().e., chromium(VI) compounds) such as zinc chromate vary
<br /> depending upon the specific compound.
<br /> Exposure Limits: Measurement Methods
<br /> NIOSH REL (as Cr): Ca (see Table 1):
<br /> TWA 0.001 mg/m3 NIOSH 7600, 7604, 7605
<br /> See Appendix A OSHA ID103, ID215,W4001
<br /> See Appendix C
<br /> OSHA PEL (as CrO3): C 0.1 mg/m3 See Appendix C
<br /> Physical Description: Cr03: Dark-red, odorless flakes or powder.
<br /> [Note: Often used in an aqueous solution (H2,CrO,).]
<br /> Chemical & Physical Properties: Personal ProtectionlSanitation Respirator Recommendations
<br /> MW: 100.0 (see Table 2): (see Tables 3 and 4):
<br /> BP: 482°F (Decomposes) Skin: Prevent skin contact NIOSH
<br /> Sol: 63% Eyes: Prevent eye contact y: ScbaF:Pd,Pp/SaF:Pd,Pp:AScba
<br /> FLP: NA Wash skin:When contam Escape: 100F/ScbaE
<br /> IP: NA Remove:When wet or contam
<br /> Sp.Gr: 2.70 (Cr0 ) Change: Daily
<br /> VP: Very low Provide: Eyewash
<br /> MLT: 387"F (Decomposes) Quick drench
<br /> UEL: NA
<br /> LEL: NA
<br /> CrO,: Noncombustible Solid, but will Incompatibilities and Reactivities: Combustible, organic, or other
<br /> accelerate the burning of combustible readily oxidizable materials (paper,wood, sulfur, aluminum, plastics, etc.);
<br /> materials. corrosive to metals
<br /> Exposure Routes, Symptoms,Target Organs (see Table 5): First Aid (see Table 6):
<br /> ER: Inh, Ing, Con Eye: Irr immed
<br /> SY: Irrit resp sys; nasal septum perf; liver, kidney damage;leucyt, Skin: Soap flush immed
<br /> leupen, eosin; eye inj, conj; skin ulcer, sens Berm: [cart] Breath: Resp support
<br /> TO: Blood, resp sys, liver, kidneys, eyes, skin[lung cancer] Swallow: Medical attention immed
<br /> is r 8 0 9 RTECS#: IDLH:
<br /> Hg (metal) 7439-97-6 OV4550000 10 mg/m3 (as Hg)
<br /> (metal) (metal)
<br /> Conversion: DOT: 2809 172 (metal)
<br /> Synonyms/Trade Names: Mercury metal: Colloidal mercury, Metallic mercury, Quicksilver
<br /> Synonyms of"other"H9 compounds vary depending upon the specific compound.
<br /> Exposure Limits: �Measurernent Methods
<br /> NIOSH REL: Hg Vapor: TWA 0.05 mg/m3 [skin] OSHA PELt: C 0.1 mg/m3 (see Table 1):
<br /> Other: C 0.1 mg/m3 [skin] NIOSH 6009 OSHA ID140
<br /> Physical Description: Metal: Silver-white, heavy, odorless liquid.
<br /> [Note: "Other"Hg compounds include all inorganic & aryl Hg compounds except (organo) alkyls.]
<br /> Chemical & Physical Personal Protection/Sanitation Respirator Recommendations (see Tables
<br /> Properties: (see Table 2): Mercury vapor: 3 and 4):
<br /> MW: 200.6 Skin: Prevent skin contact NIOSH
<br /> BP: 674"F Eyes: N.R. 0.5 mg/m3: CcrSt/Sa
<br /> Sol: Insoluble Wash skin:When contam 1.25 mg/m3: Sa:Cf/PaprSt(canister)
<br /> FI.P: NA Remove:When wet or contam 2.5 mg/m3: CcrFSt/GmFSt/SaT:Cf/
<br /> IP: ? Change: Daily PaprTS(canister)/ScbaF/SaF
<br /> Sp.Gr: 13.6 (metal) 10 mg/m3: Sa:Pd,Pp
<br /> VP: 0.0012 mmHg §: ScbaF:Pd,Pp/SaF:Pd,Pp:AScba
<br /> FRZ:-38'F Escape: GmFS/ScbaE
<br /> UEL: NA
<br /> LEL: NA Other mercury compounds:
<br /> Metal:Noncombustible Liquid NIOSH/OSHA
<br /> 1 Mg/M3: CcrSt/Sa
<br /> 2.5 mg/m3: Sa:Cf/PaprSt(canister)
<br /> Incompatibilities and Reactivities:Acetylene, ammonia, 5 mg/m3: CcrFSt/GmFSt/SaT:Cf/
<br /> chlorine dioxide, azides, calcium (amalgam formation), PaprTS(canister)/ScbaF/SaF
<br /> sodium carbide, lithium, rubidium, copper 10 mg/m3: Sa:Pd,Pp
<br /> §: ScbaF:Pd,Pp/SaF:Pd,Pp:AScba
<br /> Escape: GmFS/ScbaE
<br /> Exposure Routes, Symptoms,Target Organs (see Table 5): First Aid (see Table 6):
<br /> ER: Inh,Abs, Ing, Con Eye: Irr immed
<br /> SY: Irrit eyes, skin; cough, chest pain, dysp, bron, pneu;tremor, insom, Skin: Soap wash prompt
<br /> irrity, indecision, head, lass; stomatitis, sale: GI dist, anor. low-wgt: prot Breath: Resp support
<br /> TO: Eyes, skin, resp sys, CNS, kidneys Swallow: Medical attention immed
<br /> Stockton 6-Lane,Task Order No.82 Caltrans Contract 06A1141,EA 10-03A1001
<br /> Project No.59200-06-82 B-5 of 8 December 2009
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