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S9800-01-34-ATTACHMENT A—T22(CAM-17)Metals NIOSH Guide to Chemical Hazards-2007
<br /> r r r Formula: CAS#: RTECS#: IDLH:Ca[15 mg/m3
<br /> Cr03(acid) 1333-82-0(CrO,) GB6650000(CrO,) [as Cf(VI)}]
<br /> Conversion: DOT: 1755 154(acid solution); 1463 141 (acid,solid)
<br /> Synonyms/Trade Names:Chromic acitl(Cr03):Chromic anhydride,Chromic oxide,Chromium(VI)oxide(1:3),
<br /> Chromium trioxide. Synonyms of chromates(i.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 Cr03):C 0.1 mg/m3 See Appendix C
<br /> Physical Description:CrO,:Dark-red,odorless flakes or powder.
<br /> [Note: Often used In an aqueous solution(KCro4).]
<br /> Chemical&Physical Properties: Personal Protection/Sanitation 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 V: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(Cr03) 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 eadily oxidizable materials(paper,wood, sulfur,aluminum,plastics,etc.);
<br /> materials. orrosive to metals
<br /> Exposure Routes,Symgrtoms,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 pert;liver,kidney damage;leucyt, Skin:Soap flush immed
<br /> Ieupen, eosin;eye inj,conj;skin ulcer, sens derm;[care] Breath:Resp support
<br /> TO: Blood,resp sys,liver,kidneys,eyes, skin[lung cancer] Swallow: Medical attention immed
<br /> 7Phylcal
<br /> r CAS#: RTECS#:Formula: IDLH:
<br /> Hg(metal) 743997-6 O metal) 00 10 mghn' (as Hg)
<br /> metal metal: DOT:2809 172 metarade Names: Mercury metal:Colloidal mercury, Metallic mercury,Quicksilver
<br /> f"other H com ounds va time endin u on the s ecmc com ound.
<br /> imits: Measurement Methods
<br /> :Hg Vapor:TWA 0.05 mg/m3[skin] OSHA PELt:C 0.1mg/m3 (see Table 1):
<br /> Other:C 0.1 m /m' skin] NIOSH 6009 OSHA ID140
<br /> escription:Metal: Silver-white,heavy,odorless liquid.
<br /> Note: "Other"Hg compounds Include all inorganic&aryl Hg com ounds 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/m':CcrSt/Sa
<br /> Sol:Insoluble Wash skin:When contam 1.25 mg/n2:Sa:Cf/PaprSt(canister)
<br /> FI.P:NA Remove:When wet or contam 2.5 mg/m':CcrFSt/GmFSt/SaT:Cf/
<br /> IP:? Change:Daily PaprTS(canister)/ScbaF/SaF
<br /> SP.Gr: 13.6(metal) 10 mg/m': Sa:Pd,Pp
<br /> VP:0.0012 mmHg §:ScbaF:Pd,Pp/SaF:Pd,Pp:AScba
<br /> FRZ:-38'F Escape:Gm FS/ScbaE
<br /> UEL:NA
<br /> LEL:NA Other mercury compounds:
<br /> Metal:Noncombustible Liquid NIOSH/OSHA
<br /> 1 mg/m'•CcrSt/Sa
<br /> 2.5 mg/m3:Sa:Cf/PaprSt(canister)
<br /> Incompatibilities and Reactivities:Acetylene,ammonia, 5 mg/m':CcrFSt/Gm FSt/SaT:Cr/
<br /> chlorine dioxide,azides,calcium (amalgam formation), PaprTS(canister)/ScbaF/SaF
<br /> sodium carbide,lithium,rubldlum,copper 10 mg/m': Sa:Pd,Pp
<br /> §:ScbaF:Pd,Pp/SaF:Pd,Pp:AScba
<br /> Escape:Gm FSScbaE
<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,salv;GI dist.anon.low-wgt:prof Breath:Resp support
<br /> TO:Eyes,skin,resp sys.CNS,kidneys Swallow:Medical attention Immed
<br /> Linden U517 51 and Removal,Task Order No.34 Caltrans Contract 06A1895,EF1S 10-1300-0181-0
<br /> Geocon Project No.S9800-01-34 Page A-5 of 8 September 2014
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