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Compressed Breathing Air for use in ❑Propane cylinders not in use must be stored outdoors in cage or similar secure enclosure.
<br /> Level B personal protective ❑ Ensure acetylene cylinders NOT secured to steel arc welding bench.
<br /> equipment(supplied-air respirator) I
<br /> ! ❑Store/use in a manner to prevent asphyxiation hazard.Distinctly mark"empty"compressed air cylinders.
<br /> ❑Segregate oxygen and fuel gases by distance(20')or barrier.
<br /> j ❑Control ignition sources.
<br /> ❑"No smoking"signage at cylinder storage area for flammable gases.
<br /> ❑Use/store in a manner to control inhalation exposure hazards,PPE,air monitoring.
<br /> FLAMMABLE/COMBUSTIBLE i E Proper storage(flam.storage cabinets,other storage precautions).
<br /> i LIQUIDS E Use proper fuel safety can(metal fuel can preferred).
<br /> E Control ignition sources.
<br /> ❑Grounding and bonding where appropriate.
<br /> E] ACIDS,CAUSTICS,OTHER ❑Handle with care,use appropriate eye/face/skin protection.
<br /> CORROSIVES ❑Eyewash,deluge shower,drench hose,hand washing(with water),as appropriate.
<br /> TOXIC ❑For toxic substances,use/store in a manner to control exposure hazards(inhalation,ingestion,skin contact,
<br /> skin absorption);use PPE as appropriate,conduct air monitoring as appropriate.
<br /> ® EMISSIONS FROM FUEL E Position outdoor personnel upwind of exhaust source.
<br /> COMBUSTION,INDUSTRIAL ❑Use blowers,fans to provide fresh air to work area and dissipate atmospheric hazards.
<br /> PROCESSES ❑ Use respiratory
<br /> ❑Gasoline P ry protection for high levels of smoke,exhaust particulates,soot.
<br /> ❑Conduct air monitoring as appropriate(see Part C,"Air Monitoring").
<br /> E Diesel
<br /> ❑ Propane/Natural Gas
<br /> ❑Welding/cutting/hot work
<br /> ❑Vehicle/equipment exhaust
<br /> ❑Other
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<br /> ❑ I OTHER HAZARDS ❑Describe other hazardous substances and safety measures under"Explanatory Notes,Clarifications,"above.
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<br /> i CHEMICAL/HAZMAT STORAGE I
<br /> I ❑Chemical storage cabinet,cage,storage room,or similar.
<br /> ❑ i Check this when jobsite ❑Ensure incompatible chemicals are segregated.
<br /> requirements include special 1 ❑Provide secondary containment.
<br /> provisions for chemical storage. I
<br /> ❑Locate special safety equipment near chemical storage
<br /> Geosyntec Procedures: HS-115-Hazard Communication,HS-111-Air Monitoring,HS-112-Respiratory Protection,
<br /> HS-113-Personal Protective Equipment,HS-114-Safety Training Programs, Others as applicable
<br /> B.14. SITE CONTAMINANTS,CHEMICAL WASTES ® Applicable ❑ Not Applicable,Not Anticipated
<br /> EXPLANATORY NOTES,CLARIFICATIONS: Site soil may be impacted by historical releases of nitrogen fertilizer and organic compounds,including carbamate/urea
<br /> compounds,organochlorine compounds,triazines,and chlorinated herbicides;earlier cleanup efforts were directed at remediation of this soil. The most recent
<br /> soil monitoring performed in 2007 indicated the following:(i)triazine compounds and chlorinated herbicides have not been detected in any soil sample since
<br /> 2005,(ii)organochlorine compounds DDT isomers and endrin have been found in the upper foot of soil at concentrations below site cleanup goals(1.0 mg/kg and
<br /> 0.5 mg/kg,respectively),and(iii)carbamate compounds bromacil,diuron and tebuthiuron have been found in the upper tree feet of soil at levels below cleanup
<br /> goals(0.9 mg/kg,0.1 mg/kg and 4.9 mg/kg,respectively).
<br /> Recent groundwater monitoring for the shallow water-bearing zone was conducted in the fall of 2017 and indicated the following constituent concentrations:
<br /> o Nitrate as nitrogen:from non-detect(less than 0.01 mg/L)to 878 mg/L in MW-6;
<br /> 0 1,2-Dichloropropane:non-detect to 970 Vg/L in MW-5B;
<br /> 0 1,2-Dibromo-3-chloropropane:non-detect(less than 0.007 Vg/L)to 0.031µg/L in MW-513;
<br /> 0 1,2,3-Trichloropropane:non-detect(less than 0.003 pg/L)to 8.8µg/L in MW-5B;
<br /> o Dinoseb:non-detect(less than 0.08 pg/L)to 3.1 Vg/L in MW-10;
<br /> o Other halogenated volatile organic compounds:Chloroform(0.1µg/L at MW-10),1,3-Dichlorobenzene(0.14 Vg/L and 0.17µg/L at MW-513
<br /> and MW-10,respectively),and 1,4-Dichlorobenzene(0.33 pg/L at MW-5B);
<br /> o Carbamate herbicides:Bromacil(from 2.0 to 34 Vg/L at monitoring wells MW-5B,MW-6,MW-7,MW-8,and MW-10),Diuron(from 0.8 to
<br /> 4.6µg/L at monitoring wells MW-5B,MW-6,MW-7 and MW-8),and Tebuthiuron(1.2µg/L at MW-8);
<br /> o Triazine herbicides:atrazine(0.33 and 0.88µg/L at monitoring wells MW-7 and MW-8,respectively);and
<br /> o Chlorinated herbicides:Dicamba(0.54µg/L at monitoring well MW-5B).
<br /> CHECK ALL THAT APPLY. Provide explanatory notes above.
<br /> E Soil/groundwater contaminants(historical release) ❑Oxygen deficiency ❑Corrosive,acids/caustics,strong irritants
<br /> ❑Recent release,known high concentrations E Chlorinated volatile organic compounds (VOCs) ❑Sulfides,hydrogen sulfide(H2S)
<br /> ❑Former chemical disposal site,landfill ❑ BTEX,petroleum derived VOCs ❑Cyanides,hydrogen cyanide(HCN)
<br /> ❑Urban fill,residual contaminants ❑ Fuel oils,petroleum,waste oil,lubricants ❑Asbestos
<br /> Geosyntec C> THA—Drilling/Development Operations Safety 1/29/2019
<br /> GSH Stockton Phyto,TR0712C Page 11
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