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FROM- Richard W Ely • PHONE NO . 707 874 3570 , Jul 29 1999 02 01AM P08 <br /> HS-507 Procedures for field Inuestigatlons at <br /> Underground Spills of Gas and other Petroleum Distillate <br /> 507.9,2,1 Toxlclty Action Levels for Gasoline and do?B(in Ppm) <br /> ��� �J(.rN�xr� �, ���.� _ '�� v_L� �'_�,i�.�.at��•Y�{St q��t�J�ri��aY��l',��< .,d �'.�I��«I�l��ll'�, _ <br /> F <br /> toionmtuon meter # J-INU caltbrdtion gas* or 4 4011* <br /> 0 to 10 2 eV lamp) Benrene 200*** <br /> Photolonization meter# I obutylelle 6 <br /> 00 0 to 10.2 eV lamp) itlU*a <br /> 171ariie rorim ttion nicter metimar 10 100** <br /> (OVA-128) <br /> 441{pu t t <br /> Photaton17,111an uisttt 11Vnrs do not wort: and ,hall ut;t be tise(i far work Jaz hgOm (,-90%) 111miklity Est <br /> r,"ny wearlim t)r s-trc%where nxthanol ns or i1my be preaent <br /> " AJthoueb the �jhbratron Vat, purehawd foi the HNU is Lsobtitylelle, tilt coriccritratton Itie»111,1ed on <br /> the cyhnder for c ahbration 01'a 1 JNiJ with 1l3 2 eV 41t11ps Ls,j bervene equivalent <br /> ** for worker wearing half-face respjratorc <br /> . ** for worker s wearing full-face re,ptratar s <br /> 5079.22 Toziclty Action Levels for fuels other than Gasoline, Methanol, and Jet B(in <br /> ppiw) <br /> t%I <br /> "FRUMENTCALMRXITON MON UPGRADE- EVA.f'1J�9'D F - <br /> s': 'ry�(� - yam{-ap per' <br /> A� �I�f�iAN.J ti T <br /> Phororonrz ajon meter# 1IN11 f-ahbranon gas* or 20 <br /> 00 0 to 10 2 eV lamb} Betizc•nr (,{}t)* <br /> Niu�tura�irzattort nett r# Nobtttyleue 35 u 200*1 <br /> (10 0 to 10 2 eV lamb) fi(1U* <br /> Flame Jolu ltron meter Methane i[x 311(1rr; <br /> (OVA-128) frill}* * <br /> #t I'llototonuaunn lnntrttmem do not work and shall clot tie used f()? work fil lugh (a90'lo) htrnmdrty or <br /> rauty weather. <br /> * Although the cahbiatron gas purchased for Elie HNU IS tsotaurylcrte• the CUt1LetlTrall0ii identified on <br /> the t.ylrrult r fnr c allbration of 11N(Yb,with 10 2 cV Jamp,L"r txwe)Ie LgUtvillellt. <br /> for workers wetu'►ng half-fare re,pnstor, <br /> fOT worker s wear ing fall-face respirators <br /> UPFNA71NGPFlocEDURF Dvctmenr�MK•O+vpin[ern.tC+lbrortsMAR7�t 5 <br />