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AMBIENT AIR QUALITY STANDARDS
<br />APPLICABLE ONLY IN THE LAKE TAHOE AIR BASIN:
<br />Carbon aadnor•dr ! S++evr 6OSSm NOlth - _
<br />f it mgrm�l �
<br />Yn.nd.M 1 aerer.elien %A wSt,c.rrn por,b r
<br />li adrC.nq rrGbEf the or Merl.nq n.Gl, Irf
<br />ParnClq to leaf Man 30 rr,.Ifr rra thr - - -
<br />relanve num.d.rr n Ins eh.n 70,
<br />NOTES
<br />1. California standards, usher slats carbon monox rde, Wl fur
<br />dioxide it hourl and particulaM master - PM,., are
<br />•*S.. Shan are not - be equaled o, —eded Th.
<br />carbon moniawde. sul tux dibmda[1 hoof }and parutu4ale
<br />me %ter - PMie standards are not td be exceeded.
<br />2 National standards, other than o =one and than based
<br />on annual averages or annual geometric meant, are not
<br />to be exceeded mare than once a Year. The ozone
<br />standard is attrned whim the expected number of days
<br />per Glenda Year rw fh me xi mum hourly average concen-
<br />tratiom above Aso standard Is equal to a less than me.
<br />3. Corscentratron expressed first in units in which it was
<br />Promulgated. Equivalent units given in parmoseses are
<br />Wad upon a reference temperature of 25 °C and t
<br />reference pressure of 760 mm of Ewcury. All measure•
<br />meets of air pual l ty aft t0 be corrected to a refetlef c,
<br />temperature of 25 °G ands refeferhn pressure of 750
<br />mm of Hg (1,013 -2 mllllbar.l; pprfl in this table raters
<br />to porn try vuJume, W mhtromdel Of slaflutant pen mole
<br />of gas.
<br />a Any tg+llvalent procedure which can be shown to the
<br />saris fa c lion of the A4 Has uurr $ Board to 91 or e0uiv alert
<br />relidls at or near the level of the elf qualhly standard
<br />may be used
<br />5 National Pr.mary Ssandards- The levels of air oualrlY
<br />��Endo Engineering
<br />9 9
<br />3
<br />necassa ry, wr th on adequatar margin of safety, to pro tttl
<br />the publtc health Each stair most axsam the primary
<br />sundarda via haler than ihre, Yeaq after that slat,'%
<br />implemMlatron plan is approved by the Environmental
<br />Protection Agency [EPAI.
<br />0, NlSrdnal Secondary Standard!, The lereis of air quality
<br />necessary W protect the pubes welfare fr om airy known
<br />of anetaoated adverse affects of a ppflutant. faeh slate
<br />must atearn the secondary standards within a "rexon.
<br />able s.m!' after the irtplerr.enotim plan rs aoprwed
<br />by the EPA.
<br />7. Reference method as described by the EPA An -eciw
<br />vaient meshed of dVasufement may be used but must
<br />have a - consistent aelitionshiq to the r,f rrena method"
<br />and must be approved by the EPA
<br />B- Prevari.ng visitmkty is defined as the greatest wsrbrl.ty
<br />which it allairled or slrrpaa%ed aroYn =t least half of
<br />the horizon cave, but not necessarily in conunuom
<br />%eclarx.
<br />9. A loci twos where the 91al, standards lot oxr clan andler
<br />suspended parlieulale mallet are rrdialea National
<br />standards S004Y elsewhere
<br />10. hteasurrd as ozone
<br />SOURCE. AR8 FACT SHEET (REVISED 1985)
<br />UK fermi. 51e.rdards I
<br />Macneill suaprd e
<br />/atluranf
<br />A-Wria, Tien
<br />Ca.srrerauenr
<br />ua hrolr
<br />Priwrr.a -s
<br />1ic+wd. a a
<br />uaalnedr
<br />p..osm,"
<br />1 aWr
<br />Q t0 sfo ,
<br />5200 ugl.wa I
<br />[Tlrawolel
<br />slletoranrr
<br />016M
<br />s liovr
<br />-
<br />-
<br />Q.12 Pan
<br />Some n /rr+lary
<br />EMrlerre
<br />[135 rg6mst
<br />'S-=d
<br />Cs arrml wn.narrernrr
<br />irrp Pn me—ide
<br />O lgyr
<br />'S 0 PPm
<br />eadn•anPrnre
<br />90 op"
<br />Senx ar
<br />Nan- G:sWrrrw
<br />110-W -311
<br />tnhared
<br />py
<br />S MDIRi
<br />flQrviyhnsl
<br />Pri~y
<br />strwra
<br />tlrtrered
<br />fvaeep goon
<br />t r
<br />20 pow(
<br />121 maNna I
<br />55 corn
<br />( r0 *rare -Z I
<br />Mirise trweirse
<br />A—W A.e p
<br />-
<br />100r0lrsi2
<br />Gn Pl,ep
<br />Ca,ra„lum.-
<br />f0A5 tloml
<br />Salvia n /Avv ry
<br />Ssaaaard
<br />(+aril /lwe
<br />cNevilvmreoaeenee
<br />1 hour
<br />0.2500-
<br />i{ M ugim a 1
<br />-
<br />Memo,
<br />Sulfur Droede
<br />Anatual Average
<br />-
<br />!0 ulpma
<br />-
<br />10.03 slpm)
<br />Ii hour
<br />0.05 coin
<br />365 uglMa
<br />_
<br />via, rglmal+
<br />uh•anolw
<br />io.14 io"l
<br />it rvoeerldu.e
<br />Fluaextnoe
<br />3 kw,
<br />-
<br />1]00 ryma
<br />IQ.S coin I
<br />I hour
<br />0.95 Pon,
<br />-
<br />i6S5 uP7M }
<br />Sraseandad
<br />Afwel $rpw.rtrre
<br />-
<br />_
<br />/arceur.e.
<br />hareem
<br />3Q uglma
<br />Mellor IPMfe1
<br />Puler
<br />--line
<br />-
<br />I`
<br />24 .wr
<br />s.r Prided
<br />Putlrulett
<br />Matter
<br />A rusOM Gearf.e.r.e
<br />Mean
<br />-
<br />-
<br />]5„grma
<br />50 .91-1
<br />Hryn Vol
<br />SYnPI M
<br />Ia now
<br />2Ea 1.9 /.vie
<br />I ISO rrPfr.,a
<br />f
<br />-
<br />I4
<br />Susnaret I
<br />i{nour
<br />ZS ugllna
<br />7u.lsd.,e�etr.c
<br />-
<br />-
<br />_
<br />S.-M
<br />S rz,
<br />Lead
<br />30 day
<br />% 5 wlma
<br />AT—t-
<br />A-494
<br />Atr,-M, n
<br />O.W19F
<br />e 5 ug1.3
<br />Seine as /.i- Arom.r
<br />merY Stallard Aber orlo•r
<br />Hrdropen
<br />Sv!l:de
<br />1 he,d
<br />007 PPm
<br />I{2 rgrma l
<br />Wpn,um Hydrd.-
<br />tle ST0.at1 w
<br />- �
<br />-
<br />mha.ar.di{a 1 2e
<br />}
<br />26 uylma I
<br />Tadar fag
<br />couar,rwn, G.
<br />- -
<br />-
<br />I
<br />Lrro.r..regraPnr
<br />od0c ilr 1 I eW{. rar.p�
<br />0.durmq I
<br />Parttlfs
<br />In 1url,e �rnt amount xe
<br />rrduia [vie aM.ltrp mib.l.xya
<br />w loth Ihan 10 m,rK wl,rn f.f
<br />l
<br />- 1II -
<br />rrlah.rr nvmgn ,• lava torn tq•,
<br />5
<br />APPLICABLE ONLY IN THE LAKE TAHOE AIR BASIN:
<br />Carbon aadnor•dr ! S++evr 6OSSm NOlth - _
<br />f it mgrm�l �
<br />Yn.nd.M 1 aerer.elien %A wSt,c.rrn por,b r
<br />li adrC.nq rrGbEf the or Merl.nq n.Gl, Irf
<br />ParnClq to leaf Man 30 rr,.Ifr rra thr - - -
<br />relanve num.d.rr n Ins eh.n 70,
<br />NOTES
<br />1. California standards, usher slats carbon monox rde, Wl fur
<br />dioxide it hourl and particulaM master - PM,., are
<br />•*S.. Shan are not - be equaled o, —eded Th.
<br />carbon moniawde. sul tux dibmda[1 hoof }and parutu4ale
<br />me %ter - PMie standards are not td be exceeded.
<br />2 National standards, other than o =one and than based
<br />on annual averages or annual geometric meant, are not
<br />to be exceeded mare than once a Year. The ozone
<br />standard is attrned whim the expected number of days
<br />per Glenda Year rw fh me xi mum hourly average concen-
<br />tratiom above Aso standard Is equal to a less than me.
<br />3. Corscentratron expressed first in units in which it was
<br />Promulgated. Equivalent units given in parmoseses are
<br />Wad upon a reference temperature of 25 °C and t
<br />reference pressure of 760 mm of Ewcury. All measure•
<br />meets of air pual l ty aft t0 be corrected to a refetlef c,
<br />temperature of 25 °G ands refeferhn pressure of 750
<br />mm of Hg (1,013 -2 mllllbar.l; pprfl in this table raters
<br />to porn try vuJume, W mhtromdel Of slaflutant pen mole
<br />of gas.
<br />a Any tg+llvalent procedure which can be shown to the
<br />saris fa c lion of the A4 Has uurr $ Board to 91 or e0uiv alert
<br />relidls at or near the level of the elf qualhly standard
<br />may be used
<br />5 National Pr.mary Ssandards- The levels of air oualrlY
<br />��Endo Engineering
<br />9 9
<br />3
<br />necassa ry, wr th on adequatar margin of safety, to pro tttl
<br />the publtc health Each stair most axsam the primary
<br />sundarda via haler than ihre, Yeaq after that slat,'%
<br />implemMlatron plan is approved by the Environmental
<br />Protection Agency [EPAI.
<br />0, NlSrdnal Secondary Standard!, The lereis of air quality
<br />necessary W protect the pubes welfare fr om airy known
<br />of anetaoated adverse affects of a ppflutant. faeh slate
<br />must atearn the secondary standards within a "rexon.
<br />able s.m!' after the irtplerr.enotim plan rs aoprwed
<br />by the EPA.
<br />7. Reference method as described by the EPA An -eciw
<br />vaient meshed of dVasufement may be used but must
<br />have a - consistent aelitionshiq to the r,f rrena method"
<br />and must be approved by the EPA
<br />B- Prevari.ng visitmkty is defined as the greatest wsrbrl.ty
<br />which it allairled or slrrpaa%ed aroYn =t least half of
<br />the horizon cave, but not necessarily in conunuom
<br />%eclarx.
<br />9. A loci twos where the 91al, standards lot oxr clan andler
<br />suspended parlieulale mallet are rrdialea National
<br />standards S004Y elsewhere
<br />10. hteasurrd as ozone
<br />SOURCE. AR8 FACT SHEET (REVISED 1985)
<br />
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