An Introduction To The Health Effects of Toxic Products In The Home : An Introduction To The Health Effects of Toxic Products In The Home
Home, Sweet Home! : Home, Sweet Home! Be it ever so humble, there ’s no place like home.
Home, Sweet Home!
John Howard Payne
Toxics in the Home : Toxics in the Home Household products
Mold & mildew
Radon
Indoor air
Second hand smoke
Lead
Paint solvents
Household Hazardous Waste : Household Hazardous Waste How many pounds of household hazardous waste in your home?
(i.e. paints, varnishes, motor oil, pesticides, antifreeze, fluorescent lights)
Product Hazards : Product Hazards Flammability
Reactivity (Things that change violently into other things)
Corrosive (strong acid or base)
Toxicity: human
Toxicity: environmental (kills plants, wildlife)
Hazard & Risk : Hazard & Risk Risk =
Hazard x Exposure Dose ≈ Response Individual Sensitivity
Exposure Routes : Exposure Routes Ingestion
Direct ingestion of product
Hand to mouth contact
Inhalation
Acute inhalation of product during use
Chronic inhalation of indoor air
Skin/eye contact
Splashing/spilling during use
Violent chemical reactions
Contact with treated surfaces
Poisoning Facts : Poisoning Facts Poisoning events in United States - 2000
2.2 million reported exposures
53% involved children under age 6
90% occurred in the home
475,079 treated in a health care facility
920 deaths reported in 2000
Source: National Poison Centers, 2000 data (Litovitz, 2001)
More Poisoning Facts : More Poisoning Facts
Even More Poisoning Facts : Even More Poisoning Facts
Common Toxicity Measures : Common Toxicity Measures LD50: acute ingestion (mg/kg)
LC50: acute inhalation (ppm)
Draize score: skin irritation
TLV: chronic inhalation (ppm)
Reference dose: chronic exposure (mg/kg/day)
Oral Toxicity of Common Substances : Oral Toxicity of Common Substances Practically non-toxic (> 15,000 mg/kg or .5oz/lb)
Probable oral lethal dose for 150 lb adult > 1 quart
modeling clay
paraffin wax
baby lotion
blemish cover (e.g. Clearasil)
bone meal
cat litter
1 kg = 2.2 lbs 1mg=0.000035 ounce
Slightly toxic : Slightly toxic Slightly toxic (5,000 to 15,000 mg/kg)
Probable oral lethal dose for 150 lb adult: between 1 pt & 1 qt
hand dishwashing liquid
window cleaner
latex house paint
soap
deodorant (roll-on)
white glue (e.g. Elmers)
Moderately toxic : Moderately toxic Moderately toxic (500 to 5,000 mg/kg)
Probable oral lethal dose for 150 lb adult: between 1 oz & 1 pt
antifreeze
motor fuels* (gasoline, kerosene, diesel fuel)
shoe polish
oil-based house paint
holly berries
*NOTE: breathing fumes probably more important than toxicity because it will displace oxygen.
Very toxic : Very toxic Very toxic (50 to 500 mg/kg)
Probable oral lethal dose for 150 lb adult: between 1 tsp & 1 oz
aspirin and other analgesics
lacquer thinners
toluene, xylene (aromatic hydrocarbons)
mothballs (camphor, naphthalene)
tobacco leaves
foxglove (digitalis)
caffeine
diazinon insecticide
Extremely toxic : Extremely toxic Extremely toxic (5 to 50 mg/kg)
Probable oral lethal dose for 150 lb adult: 7 drops to 1 tsp
opium
codeine
oil of sassafras
Super toxic : Super toxic Super toxic (< 5 mg/kg)
Probable oral lethal dose for 150 lb adult: less than 7 drops
nicotine
botulinum toxins
TLVs of Common Ingredients : TLVs of Common Ingredients COMPOUND TLV FOUND IN at %
ethanol 1000 vodka, gin, rum, etc. 40
acetone 750 nail polish remover >50
isopropanol 400 rubbing alcohol 70
gasoline 300 motor fuel 100
Methanol 200 Bix Stripper paint stripper 24-50
turpentine 100 paint thinner 100
xylene 100 spray paint bulk
hexane 50 Carter’s rubber cement 90
methylene chloride 50 Bix Tuff Job paint stripper 85
paradichlorobenzene 10 mothballs 100
carbon monoxide 10
malathion 0.74 Ortho Malathion 50+ Insect Spray 50
formaldehyde 0.30
chlorpyrifos 0.014 Dursban Spray 5.3
diazinon 0.008 Diazinon Granules 5.0 TLV – Threshold Limit Value of a chemical substance defines the reasonable level to which a person can be exposed without adverse health effects.
Carcinogens : Carcinogens Ingredient Product(s) % in Product
Lead Old paints(1978) 0.5%
benzene gasoline >1%
formaldehyde probably many unknown
methylene chloride paint strippers (many) up to 85%
p-dichlorobenzene mothballs (many) 100%
vermiculite potting soils ?
arsenic CCA-treated lumber 34% As2O5
Deducing Toxicity from Label Information : Deducing Toxicity from Label Information Stick with federally regulated information
Signal words only semi-consistent
Ignore marketing information
Be alert for inconsistencies
Example : SIGNAL WORD ADVERTISING Example
Signal Words : Signal Words Signal Word EPA FDA
DANGER Cat. I not used
WARNING Cat. II not used
CAUTION Cat. III/IV “pay attention”
No sig. word not used Not Hazardous
Shortcomings of Label Information : Shortcomings of Label Information All ingredients not listed (except food, drug, cosmetic, personal care)
Only pesticides have disposal and environmental information (and the disposal information is mostly incorrect!)
Signal words linked to acute hazards only
Some labels contain marketing information that minimizes or contradicts safety warnings
People don’t read labels anyway
Favorite Labels : Favorite Labels “Confine pets during application to prevent them from believing they are being fed.” - slug bait
“Avoid use while smoking.” - hair spray
“This product must not be used for dyeing eyelashes or eyebrows. To do so may cause blindness.” - hair color
Label Contradictions : Label Contradictions The Sales…
Stops Squeaks
Cleans & Protects
Loosens Rusted Parts
Drives Out Moisture
But just below…
DANGER
Flammable
Harmful or Fatal if Swallowed
And That’s Not All! : And That’s Not All! KEEP OUT OF REACH OF CHILDREN
BREATHING HAZARD – May be Harmful or Fatal
If swallowed do not induce vomiting, call the Doctor Immediately!
Eye Contact: flush for 15 minutes with large amounts water
Less-Toxic Alternatives : Less-Toxic Alternatives Water-based products
Mechanical devices
Enzymes instead of solvents
Biological pesticides
Less-Toxic Alternatives : Less-Toxic Alternatives Alternative Instead of Using Toxic Ingredient Avoided
Latex paint Oil-based paint Solvents
Snake, plunger Caustic drain opener Corrosive lye
Scouring powder Acid toilet cleaner Corrosive hydrochloric acid
Beneficial Insecticide for Diazinon, carbaryl or other
nematodes soil grubs insecticide
Weed puller, Herbicide 2,4-D, dichlobenil, etc.
mulch