chemical exposures associated with methamphetamine labs: implications for children
DESCRIPTION
Chemical Exposures Associated with Methamphetamine Labs: Implications for Children. by John Martyny, Ph.D., CIH National Jewish Medical and Research Center. Methamphetamine “Truisms”. The chemicals used are just household chemicals and will not hurt anyone. - PowerPoint PPT PresentationTRANSCRIPT
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Chemical Exposures Chemical Exposures Associated with Associated with
Methamphetamine Labs: Methamphetamine Labs: Implications for ChildrenImplications for Children
bybyJohn Martyny, Ph.D., CIHJohn Martyny, Ph.D., CIH
National Jewish Medical and Research National Jewish Medical and Research CenterCenter
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Methamphetamine Methamphetamine “Truisms”“Truisms”• The chemicals used are just household chemicals The chemicals used are just household chemicals
and will not hurt anyone.and will not hurt anyone.
• If it doesn’t hurt the cooks, it can’t hurt anyone If it doesn’t hurt the cooks, it can’t hurt anyone else.else.
• As long as you don’t smell a chemical odor, As long as you don’t smell a chemical odor, everything will be OK.everything will be OK.
• Exposures only last for a short time and therefore Exposures only last for a short time and therefore will not hurt anyone.will not hurt anyone.
• Exposures are usually below current standards and Exposures are usually below current standards and do not present a hazard for anyone.do not present a hazard for anyone.
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What is a Meth Lab?What is a Meth Lab?
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Is there a concern for Is there a concern for adults?adults?
• University of Washington StudiesUniversity of Washington Studies• 17% of law enforcement chemists report illness.17% of law enforcement chemists report illness.• Irritation symptoms occur in investigators that do Irritation symptoms occur in investigators that do
not wear proper PPE.not wear proper PPE.• Most symptoms occur in the processing phase.Most symptoms occur in the processing phase.
• Reported CasesReported Cases• Phosphine exposure in a law enforcement officerPhosphine exposure in a law enforcement officer• Skin and pulmonary irritation in law enforcement Skin and pulmonary irritation in law enforcement
officers.officers.• Questionnaire ResultsQuestionnaire Results
• 52% of officers attending training sessions reported 52% of officers attending training sessions reported symptoms at previous laboratory investigations.symptoms at previous laboratory investigations.
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What about kids?What about kids?• What are the potential exposures to What are the potential exposures to
children associated with children associated with methamphetamine labs?methamphetamine labs?
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Meth Labs and ChildrenMeth Labs and Children• About About 30-35%30-35% of labs seized are residences of labs seized are residences
with childrenwith children• Elevated sensitivity in children: Elevated sensitivity in children:
– Physiologic statusPhysiologic status (higher rates of growth, (higher rates of growth, metabolism, respiration, and development) metabolism, respiration, and development)
– BehaviorsBehaviors (hand-to-mouth and increased contact (hand-to-mouth and increased contact with physical environment)with physical environment)
• 35% - 55%35% - 55% of children removed from meth labs of children removed from meth labs test positive for methtest positive for meth
• 10%10% of children removed from homes of heavy of children removed from homes of heavy users test positive for methusers test positive for meth
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The ProjectThe Project
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Project SponsorsProject Sponsors• Colorado Department of Public SafetyColorado Department of Public Safety
• U.S. Dept. of JusticeU.S. Dept. of Justice• Colorado Methamphetamine ProgramColorado Methamphetamine Program
• Colorado Alliance for Drug Endangered Colorado Alliance for Drug Endangered ChildrenChildren
• National Institutes of Occupational Safety National Institutes of Occupational Safety and Health (NIOSH)and Health (NIOSH)
• North Metro Drug Task ForceNorth Metro Drug Task Force• Tri-County Health DepartmentTri-County Health Department• National Jewish Medical and Research CenterNational Jewish Medical and Research Center
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Pre-Sampling at Colorado Pre-Sampling at Colorado Springs Police DepartmentSprings Police Department
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Meth Lab Responses - Meth Lab Responses - InactiveInactive
• Responded to suspected Responded to suspected clandestine laboratories.clandestine laboratories.
• Hotel RoomsHotel Rooms• HomesHomes• ApartmentsApartments• VehiclesVehicles• Mobile HomesMobile Homes
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Red P Cook at a HomeRed P Cook at a Home
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Red P Cook at a MotelRed P Cook at a Motel
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The “Birch” or “Nazi” The “Birch” or “Nazi” MethodMethod
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New Mexico Methamphetamine Cook
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Nazi Lab in Dallas, TXNazi Lab in Dallas, TX
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Results of Exposure StudyResults of Exposure Study
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DefinitionsDefinitions• Threshold Limit Value (TLV)Threshold Limit Value (TLV)
• 8 hour time-weighted average (TWA)8 hour time-weighted average (TWA)• Occupational exposures onlyOccupational exposures only
• Ceiling ValueCeiling Value• A concentration that should not be exceeded A concentration that should not be exceeded
during any part of the working exposure.during any part of the working exposure.• Short Term Exposure Limit (STEL)Short Term Exposure Limit (STEL)
• Not to be exceeded for a 15 minute TWANot to be exceeded for a 15 minute TWA• Immediately Dangerous to Life and Immediately Dangerous to Life and
Health (IDLH)Health (IDLH)
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Questions????Questions????• Would you enter an area without Would you enter an area without
PPE where a chemical was PPE where a chemical was reported to be at the TLV?reported to be at the TLV?
• Would you allow your children to Would you allow your children to enter an area where a chemical enter an area where a chemical was reported to be at the TLV?was reported to be at the TLV?
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PhosphinePhosphine• SymptomsSymptoms
• Severe pulmonary irritantSevere pulmonary irritant• Nausea, vomiting, diarrhea, chest Nausea, vomiting, diarrhea, chest
tightness, cough, headache, may be tightness, cough, headache, may be caused by exposures as low as 10 ppmcaused by exposures as low as 10 ppm
• Pulmonary edema has caused death.Pulmonary edema has caused death.• Implicated in deaths at Meth Labs.Implicated in deaths at Meth Labs.
• Current Exposure StandardsCurrent Exposure Standards• TLV = 0.3 ppmTLV = 0.3 ppm• STEL = 1 ppmSTEL = 1 ppm• IDLH = 50 ppmIDLH = 50 ppm
• Invisible with slight fish or garlic Invisible with slight fish or garlic odor.odor.
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Phosphine Exposure Phosphine Exposure LevelsLevels
• In Red “P” and Hypophosphorous cooks.In Red “P” and Hypophosphorous cooks.• Ranges from ND to 3.5 ppm (Ranges from ND to 3.5 ppm (10 x the TLV of 0.3 ppm10 x the TLV of 0.3 ppm))• In the area of the cook in a home it averaged 0.94 In the area of the cook in a home it averaged 0.94
ppm.ppm.
• Phosphine may be present in the “death Phosphine may be present in the “death bag” at high concentrations.bag” at high concentrations.
• The cook temperature and water content The cook temperature and water content may have a significant effect on the may have a significant effect on the amounts of phosphine generated.amounts of phosphine generated.
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IodineIodine• Iodine – AirborneIodine – Airborne
• Irritant of the eyes, mucous membranes, Irritant of the eyes, mucous membranes, and skin.and skin.
• May cause chest tightness and difficulty May cause chest tightness and difficulty breathing.breathing.
• Levels of 1.63 ppm will cause eye irritation Levels of 1.63 ppm will cause eye irritation in all exposed within 5 minutes.in all exposed within 5 minutes.
• Skin rash due to hypersensitivity can occur.Skin rash due to hypersensitivity can occur.
• Current Exposure StandardsCurrent Exposure Standards• TLV = 0.1 ppm CeilingTLV = 0.1 ppm Ceiling• IDLH = 2 ppmIDLH = 2 ppm
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Iodine Exposure LevelsIodine Exposure Levels• Measured Exposure Range.Measured Exposure Range.
• 0.23 ppm – 3.7 ppm (0.23 ppm – 3.7 ppm (almost 2x the IDLHalmost 2x the IDLH))
• Levels measured in the house cook.Levels measured in the house cook.• Cook area = 0.16 ppmCook area = 0.16 ppm• Down the hall = 0.04 ppmDown the hall = 0.04 ppm
• Levels measured in the hotel cookLevels measured in the hotel cook• 0.001 ppm – 0.05 ppm0.001 ppm – 0.05 ppm
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00.5
11.5
22.5
33.5
4
Hallway Cook Area Cook Max.
IDLH
TLV
Iodine Exposure Levels
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SolventsSolvents• Many different types of solvents can be Many different types of solvents can be
used.used.
• Symptoms will depend upon solvent type.Symptoms will depend upon solvent type.• Irritation, pulmonary edema, peripheral Irritation, pulmonary edema, peripheral
neuropathy, liver damage.neuropathy, liver damage.
• Explosion hazard may be a major concern.Explosion hazard may be a major concern.
• Current exposure levels depend on the Current exposure levels depend on the individual solvent.individual solvent.
• n-Hexane = 50 ppmn-Hexane = 50 ppm• Chloroform = 10 ppmChloroform = 10 ppm
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Hydrochloric AcidHydrochloric Acid• Symptoms – AirborneSymptoms – Airborne
• Upper respiratory tract irritation – cough, Upper respiratory tract irritation – cough, burning throat, choking, burning eyes, chest burning throat, choking, burning eyes, chest pain.pain.
• Acute symptoms may occur as low as 5 ppm.Acute symptoms may occur as low as 5 ppm.• Skin contact may cause burns and Skin contact may cause burns and
ulceration.ulceration.
• Current Exposure LevelsCurrent Exposure Levels• TLV = 2 ppm CeilingTLV = 2 ppm Ceiling• IDLH = 50 ppmIDLH = 50 ppm
• Colorless gas with pungent odor.Colorless gas with pungent odor.
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Hydrogen Chloride Hydrogen Chloride Exposure LevelsExposure Levels
• Average exposures during entire cook Average exposures during entire cook period.period.
• 0.3 – 2.3 ppm (0.3 – 2.3 ppm (slightly above the 2 ppm TLVslightly above the 2 ppm TLV))
• Average exposure during salting out.Average exposure during salting out.• 3.8 – 7.2 ppm ( 3.8 – 7.2 ppm ( > 3 x the TLV> 3 x the TLV))
• Peak concentrations during salting out.Peak concentrations during salting out.• 60 ppm – 155 ppm ( 60 ppm – 155 ppm ( > 3 x the IDLH> 3 x the IDLH))
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020406080
100120140160
Cook SaltingOut
Avg. Peak Max.
IDLH
TLV
Hydrochloric Acid Levels
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Anhydrous AmmoniaAnhydrous Ammonia• SymptomsSymptoms
• Severe irritant of the eyes, respiratory tract, and Severe irritant of the eyes, respiratory tract, and skin. skin.
• After 70 ppm, most individuals will report After 70 ppm, most individuals will report irritation.irritation.
• Levels over 2500 may cause corneal irritation, Levels over 2500 may cause corneal irritation, bronchospasm, chest pain, and pulmonary edema. bronchospasm, chest pain, and pulmonary edema. Bronchitis and pneumonia may also occur. Bronchitis and pneumonia may also occur.
• Tolerance may be acquired.Tolerance may be acquired.
• Current Exposure StandardsCurrent Exposure Standards• TLV = 25 ppmTLV = 25 ppm• STEL = 35 ppmSTEL = 35 ppm• IDLH = 300 ppmIDLH = 300 ppm
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Anhydrous Ammonia Anhydrous Ammonia LevelsLevels
• All meters overloadedAll meters overloaded• Highest reading 3000 ppm (Highest reading 3000 ppm (10 x the 10 x the
IDLHIDLH))• Drager tube readings 500 ppm to 2000 Drager tube readings 500 ppm to 2000
ppmppm• Cook exposures range from 130 ppm to Cook exposures range from 130 ppm to
370 ppm (370 ppm (10 x the STEL10 x the STEL))• Exposures at the cook were 190 ppm and Exposures at the cook were 190 ppm and
410 ppm for a 2 hour period410 ppm for a 2 hour period
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Anhydrous Ammonia Levels
Dissipate quickly with
fan and ventilation
50-100 ppm in flow to fan
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0200400600800
100012001400160018002000
Cook Area Cook Peak
IDLH
TLV
Anhydrous Ammonia Exposures
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MethamphetamineMethamphetamine• SymptomsSymptoms
• Very little known regarding low level chronic exposures.Very little known regarding low level chronic exposures.• Irritation of the skin, eyes, mucous membranes, and Irritation of the skin, eyes, mucous membranes, and
upper respiratory tract.upper respiratory tract.• High levels may cause dizziness, headache, metallic High levels may cause dizziness, headache, metallic
taste, insomnia, high or low blood pressure, etc.taste, insomnia, high or low blood pressure, etc.• Chronic exposures may cause irritability, personality Chronic exposures may cause irritability, personality
changes, anxiety, hallucinations, psychotic behavior.changes, anxiety, hallucinations, psychotic behavior.• Smaller infants, altered behavior patterns, lower IQ Smaller infants, altered behavior patterns, lower IQ
scores, teratogenic affects, cerebral hemorrhage.scores, teratogenic affects, cerebral hemorrhage.
• Current StandardsCurrent Standards• NoneNone• Therapeutic dose = 5 mg (2 to 3 x per day)Therapeutic dose = 5 mg (2 to 3 x per day)• Surface contamination = 5 ug/100 cmSurface contamination = 5 ug/100 cm22 or ft or ft22
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Methamphetamine Levels Methamphetamine Levels on Surfaceson Surfaces
• Ranged from non-detect to 16,000 ug/100cmRanged from non-detect to 16,000 ug/100cm22..
• Levels inside microwaves were high.Levels inside microwaves were high.
• Levels on air returns were elevated suggesting Levels on air returns were elevated suggesting airborne quantities.airborne quantities.
• Levels on flat surfaces in the lab area were very Levels on flat surfaces in the lab area were very high.high.
• Levels exceeding the standard were found in Levels exceeding the standard were found in every verified lab.every verified lab.
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Surface Methamphetamine LevelsSurface Methamphetamine Levels
LocationLocation ug/100cmug/100cm22
Night StandNight Stand 28002800Ceiling FanCeiling Fan 25002500Microwave Microwave 24002400Bath Exhaust GrillBath Exhaust Grill 16001600MicrowaveMicrowave 17001700Hotel TableHotel Table 920920Kitchen StoveKitchen Stove 790790FloorFloor 520520Return Air VentReturn Air Vent 450450Livingroom TableLivingroom Table 430430
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Airborne Methamphetamine using Red P Method
4200 ug/m3
To
5500 ug/m3
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Airborne Methamphetamine: Nazi Method
Early Stages of the
Process:
2.4 ug/m3 to
10.1 ug/m3
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Airborne Methamphetamine: Nazi Method
Salting Out Stage of the
Process:
7.6 ug/m3 to >680 ug/m3
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Methamphetamine Methamphetamine Surface Levels at HomeSurface Levels at Home
• Horizontal SurfacesHorizontal Surfaces• 6 inches from cook – 87 ug/100 cm6 inches from cook – 87 ug/100 cm22
• 72 inches from cook – 28 ug/100 cm72 inches from cook – 28 ug/100 cm22
• Vertical SurfacesVertical Surfaces• 63 inches from cook – 20 ug/100 cm63 inches from cook – 20 ug/100 cm22
• 113 inches from cook – 10 ug/100 cm113 inches from cook – 10 ug/100 cm22
• ClothingClothing• ND to 18 ug/wipeND to 18 ug/wipe
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MethamphetamineMethamphetamine Surface Surface Levels at HotelLevels at Hotel
• Vertical SurfacesVertical Surfaces• 36 inches from Cook – 130 ug/100 cm36 inches from Cook – 130 ug/100 cm22
• 88 inches from Cook – 120 ug/100 cm88 inches from Cook – 120 ug/100 cm22
• 146 inches from Cook – 30 ug/100 cm146 inches from Cook – 30 ug/100 cm22
• 200 inches from Cook – 11.6 ug/100 cm200 inches from Cook – 11.6 ug/100 cm22
• Hallway 216 inches from Cook – 8 ug/100 Hallway 216 inches from Cook – 8 ug/100 cmcm22
• Clothing ContaminationClothing Contamination• 1 ug/sample to 580 ug/sample1 ug/sample to 580 ug/sample• Highest during salting outHighest during salting out• Higher in Red P MethodologyHigher in Red P Methodology
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Exposure ConclusionsExposure Conclusions• Exposures to iodine, phosphine, anhydrous Exposures to iodine, phosphine, anhydrous
ammonia, and hydrochloric acid may exceed ammonia, and hydrochloric acid may exceed occupational standards.occupational standards.
• Hydrochloric acid, Iodine, and anhydrous Hydrochloric acid, Iodine, and anhydrous ammonia may exceed IDLH Levels.ammonia may exceed IDLH Levels.
• Significant amounts of airborne Significant amounts of airborne methamphetamine are released during the cook methamphetamine are released during the cook and deposited on both horizontal and vertical and deposited on both horizontal and vertical surfaces.surfaces.
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Conclusions (cont)Conclusions (cont)• Entering the cook area will contaminate Entering the cook area will contaminate
clothing with methamphetamine and clothing with methamphetamine and other chemicals.other chemicals.
• The methamphetamine contamination The methamphetamine contamination may migrate inside of PPEmay migrate inside of PPE
• The entire area of the home is The entire area of the home is contaminated by the generated contaminated by the generated compounds.compounds.
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How can I Protect Myself?How can I Protect Myself?• Wear the appropriate personal Wear the appropriate personal
protective equipment.protective equipment.• Initial entry – SCBA, Protective Clothing (fire and Initial entry – SCBA, Protective Clothing (fire and
chemical), Gloves, Boots.chemical), Gloves, Boots.• After stabilization – Air Supplied Respirators may After stabilization – Air Supplied Respirators may
be OK.be OK.
• Assume that everything in the building Assume that everything in the building is contaminated.is contaminated.
• Establish good decon procedures.Establish good decon procedures.
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Will Children be exposed?Will Children be exposed?
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Outer Layer of Bear – 3100 ug/100 cm2
Inner Clothing – 2100 ug/100 cm2
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Implications to Children Associated Implications to Children Associated with Methamphetamine Labswith Methamphetamine Labs
• All children will be exposed to All children will be exposed to methamphetamine.methamphetamine.
• TouchTouch• FoodFood• AirborneAirborne• IngestionIngestion
• Children may be exposed to levels of Children may be exposed to levels of iodine, acid, ammonia, and phosphine that iodine, acid, ammonia, and phosphine that exceed occupational standards.exceed occupational standards.
• Children may be exposed to IDLH levels of Children may be exposed to IDLH levels of hydrochloric acid and anhydrous ammonia.hydrochloric acid and anhydrous ammonia.
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DecontaminationDecontamination
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DecontaminationDecontamination• Thought out in advance.Thought out in advance.
• Hospital decon should be planned.Hospital decon should be planned.• What will happen to clothing?What will happen to clothing?• What about evidence shipment?What about evidence shipment?• Child friendlyChild friendly
• Involve the least contact possible.Involve the least contact possible.• Hospital, ambulance, vehiclesHospital, ambulance, vehicles
• Confine exposures to one area.Confine exposures to one area.
• EMERGENCIESEMERGENCIES
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How much contamination?How much contamination?• Red “P” Cook Meth ContaminationRed “P” Cook Meth Contamination
• Cooking Phase – NDCooking Phase – ND• Filtering Phase – ND – 580 ug/sampleFiltering Phase – ND – 580 ug/sample• Salting Out – ND – 10.3 ug/sampleSalting Out – ND – 10.3 ug/sample
• Anhydrous Ammonia Meth Anhydrous Ammonia Meth ContaminationContamination
• All phases – ND – 58 ug/sampleAll phases – ND – 58 ug/sample
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Wet or Dry DeconWet or Dry Decon• Wet decontamination may move Wet decontamination may move
contamination under suit. contamination under suit. • Dry decon may allow better containmentDry decon may allow better containment
Study Results Pending
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SUSPECTSSUSPECTS
20 to 30 times 20 to 30 times above the above the 0.5 0.5
ug/100cm2 ug/100cm2 reference.reference.
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SWATSWAT
• Gloves - .93 ugGloves - .93 ug
• Hands - .5 ugHands - .5 ug
• Front – NDFront – ND
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Controlled “Smoke”
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Study ProcessStudy Process•Standard motel roomStandard motel room•Did not inhaleDid not inhale•Total amount: 2.45 gramsTotal amount: 2.45 grams
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Stages
Shower
Smoke
Area
Table
A/C Heater
0.04
0.20
0.32
0.98
4.8
0.04
0.26
0.50
1.90
8.5
32
22
17
0.10
0.22
0.32
1.50
12
Stages:Pre
1/10g1/10g1/4g2.0g
ug/100cm2
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Controlled Smoke FindingsControlled Smoke Findings• Airborne meth levels ranged from 330 Airborne meth levels ranged from 330
ug/mug/m33 to 1600 ug/m to 1600 ug/m33. (. (Typical lab levels = Typical lab levels = 4000 – 5000 ug/m4000 – 5000 ug/m33))
• Surface areas throughout the room were Surface areas throughout the room were contaminated with up to 35 ug/100 cmcontaminated with up to 35 ug/100 cm22. . ((Typical lab levels range up to 2800 ug/100 Typical lab levels range up to 2800 ug/100 cmcm22))
• These levels may be less due to inhalation.These levels may be less due to inhalation.
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Unanswered QuestionsUnanswered Questions• Acute and long-term health effectsAcute and long-term health effects
• ChildrenChildren• Law enforcement personnelLaw enforcement personnel
• Decontamination MethodologiesDecontamination Methodologies• Effectiveness of decontaminationEffectiveness of decontamination• Law enforcement, child protective services, Law enforcement, child protective services,
emergency services personnelemergency services personnel• Children, adults, and items in the building.Children, adults, and items in the building.
• EducationEducation• Law enforcement Law enforcement • Medical FacilitiesMedical Facilities• Child Protective ServicesChild Protective Services