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D.17. SHIPPING/TRANSPORTATION HAZMAT/DANGEROUS GOODS Applicable Not Applicable, Not Anticipated
<br /> PART E-AIR MONITORING, WORKER EXPOSURE MONITORING
<br /> E.1. AIR MONITORING ® Applicable ❑ Not Applicable, Not Anticipated
<br /> Site-Specific Notes,Clarifications: PID used to monitor VOCs in the work area
<br /> AIR-TESTING PARAMETERS-Select site-specific testing parameters;list associated equipment in Part C.2,Safety Equipment List.
<br /> ®VOCs E ❑Oz(Oxygen)—oxygen meter ❑Particulates-total dust meter
<br /> ®PID(Photoionization detector): 10.6 eV ❑LEL(Lower Explosive Level)-LEL meter ❑%Methane—methane meter
<br /> ❑FID(Flame ionization detector) ❑HzS(Hydrogen Sulfide)—H2S detector O Calibration kit for each parameter
<br /> ❑Colorimetric indicator tubes—describe above El CO(Carbon monoxide)—CO detector El Other:
<br /> SUBSTANCE-SPECIFIC(PRE-SET)ACTION LEVELS-Sustained breathing zone action levels sustained general work-area levels for LEL).
<br /> 19.5-23% Acceptable to continue work without Oz-focused respiratory protection.
<br /> Oz <19.5% r STOP WORK,ventilate to raise Oz to>19.5%for re-entry. For persistent hazard,contact Corp.HSE Dept.
<br /> (Oxygen)
<br /> Yg ) >23.0% STOP WORK,ventilate to lower 02 to<23%for re-entry. For persistent hazard,contact Corp.HSE Dept.
<br /> IMPORT_ANT__: Confirm sufficient oxygen is present(min.8-12%)to ensure accurate LEL_r_e__a__d__i_n__gs__.
<br /> LEL(Lower <10%LEL Acceptable to continue working in work area;continue to monitor LEL.
<br /> Explosive Limit) u STOP WORK. Implement controls(reposition workers,ventilate,contain/eliminate source,etc.);resume
<br /> >10%LEL work ONLY when LEL readings are<10%,sustained.
<br /> <1 ppm E Acceptable to continue work without H2S-focus ed respiratory protection.
<br /> r Implement controls(reposition workers,ventilate,contain/eliminate source,scheduling,etc.)to limit
<br /> Hz5 E 1-10 ppm E exposures to<1ppm,or use APR*with VOC/acid-gas cartridges(yellow);do not exceed MUC*for respirator
<br /> ❑ type;confirm acceptability of respirator usage with HSE Dept.
<br /> (Hydrogen Sulfide) - - - - - --- ----------------------------------------- -------------------------------------------------------------------------------------
<br /> --- - ----------- -----------
<br /> Implement controls(reposition workers,ventilate,contain/eliminate source,scheduling,etc.)to limit
<br /> >10 ppm exposures to<10ppm(with respirator),or<lppm(without respirator). For persistent levels>10 ppm,STOP
<br /> WORK,contact task lead,PM or HSE Dept.
<br /> CO <25 ppm Acceptable to continue work without CO-focused respiratory protection.
<br /> ❑ (Carbon >25 ppm Implement controls(reposition workers,ventilate,contain/eliminate source,scheduling,etc.)to limit
<br /> Monoxide) — exposures to<25ppm. For persistent levels>25ppm,STOP WORK,contact PM and/or HSE Dept.
<br /> WILDFIRE <150 In this Air Quality Index(AQI)range,it's acceptable to continue work without respiratory protection.
<br /> ❑ SMOKE 151-500 Voluntary use of N95 respirator is appropriate.
<br /> (AQI for PM 2.5) >500 STOP WORK,or use APR*with approval of HSE Dept.
<br /> ❑ <OTHER> -- ----
<br /> SITE-DERIVED ACTION LEVELS—Sustained breathing zone action levels;derived based on site contaminants;REVIEW WITH CORP.HSE DEPT.REQUIRED.
<br /> <1.0 ppm Acceptable to continue work without VOC-focused respiratory protection.
<br /> „ Implement controls(reposition workers,ventilation,containment,eliminate source,etc.) to lower VOC
<br /> VOCs > ppm exposures to less than specified action level,or use APR*with approval of Corp.HSE Dept.
<br /> ® (Volatile Organic Use APR*with VOC cartridges(yellow or black);do not exceed MUC**for respirator type;confirm
<br /> ComCompounds) X—Xppm
<br /> P ) ;procedures for respirator usage with HSE Dept.
<br /> >1.0 ppm i STOP WORK. Implement controls(reposition workers,ventilation,containment,eliminate source,etc.),for
<br /> persistent levels greater than action contact PM and/or HSE Dept.
<br /> <X mg/m3 Acceptable to continue work without particulate-focused respiratory protection.
<br /> AIRBORNE > mg/ma Implement controls(water spray,reposition workers,ventilation,containment,etc.)to lower dust levels to
<br /> DUST --------------- less than specified action level,or use APR*with approval of HSE Dept.
<br /> ❑ X to X mg/m3 i Use APR*with particulate cartridges appropriate for the hazard;do not exceed MUC**for respirator type;
<br /> (Total :confirm procedures for respirator usage with HSE Dept.
<br /> Particulates) ----------------�----�---------------- ----------- -----------------------------p----------------g------------------------ ---------------------------------------------------------------------------------------------
<br /> g/ 3 STOP WORK. Implement controls. For persistent levels greater than action level,contact PM and/or Corp
<br /> HSE Dept.
<br /> ❑ <OTHER>
<br /> *Air-purifying respirator ** Maximum use concentration
<br /> .......................................................................................................... ............................................................................................................................................................................
<br /> HSE Program Documents: HSE SOP-460:Field Site Exposure Monitoring,HSE SOP-464:Lead Exposure Control,
<br /> HSE SOP-466:Hydrogen Sulfide Exposure Control,Wildfire Smoke THA Addendum
<br /> E.2. OTHER WORKER EXPOSURE MONITORING/SAMPLING ❑ Applicable ® Not Applicable, Not Anticipated
<br /> E.3. FENCELINE/PERIMETER AIR MONITORING ❑ Applicable ® Not Applicable, Not Anticipated
<br /> Project/Task Name:Groundwater Gauging and Sampling THA ver.4.0
<br /> GeosMtec° THA Date:4/17/2025 Page 16
<br /> consultants
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