CHEMICAL RISK ASSESSMENT FORM TOOL (CRAFT) (version 3.0 2007)
RISKS = HAZARDS x PROBABILITY OF EXPOSURE CHEMICAL: _____________________________________________________________________________
HAZARDS
RISKS = HAZARDS x PROBABILITY OF EXPOSURE
HEALTH HAZARDS
PHYSICAL HAZARDS
(check the hazards that apply):
(check the hazards that apply):
_____ Carcinogen _____ Combustible Liquid _____ Corrosive _____ Compressed Gas _____ Irritant _____ Explosive _____ Sensitizer (allergy producer) _____ Flammable _____ Target Organ Effect _____ Aerosol, Flammable _____ Hepatotoxin (liver) _____ Gas, Flammable _____ Nephrotoxin (kidney) _____ Liquid, Flammable _____ Neurotoxin (nervous system) _____ Solid, Flammable _____ Agent which Acts on the _____ Oxidizer Hematopoietic System _____ Organic Peroxide (oxidizer and fuel) (bloodforming cells) _____ Pyrophoric _____ Agent which Damage the Lungs _____ Unstable (reactive) _____ Reproductive Toxin _____ WaterReactive _____ Teratogen (affects unborn) _____ Flammable Hazards _____ Mutagen (chromosomal changes) Formed: _____________________ _____ Cutaneous Hazard (skin) _____ Health Hazards _____ Eye Hazard Others (list) _____________ Formed: _____________________ _____ Toxic (repeat assessment for any other _____ Highly Toxic flammable or health hazards formed) (place “X’s” in the appropriate boxes)
Degree of Hazard
Indicators Flash Point o o ( F / C)
Flammability Combustibility
Flammable Range (0100%)
(LD50) oral, rat (mg/kg)
LESS HAZARDOUS ►►►►►►►►►►►MORE HAZARDOUS LESS RISKY ►►►►►►►►►►►►►►►►► MORE RISKY >200 / >93
150200 / 6693
narrow flammable range
100150 / 3866
0100 / 1838
intermediate flammable range
broad flammable range
flammable range in middle percentage range
flamable range in higher percentage range
<0 / <18
flammable range in lower percentage range
>5000
5005000
50500
150
<1
>10,000
1,00010,000
1001,000
10100
<10
69
56 or 910
35 or 1012
13 or 1214
<1 or >14
Toxicity (LC50) inhalation, rat (ppm) pH Corrosivity Irritation Chronic Health Hazards
oxidizer status Biological halflife
not an oxidizer minutes
moderate oxidizer hours
days
strong oxidizer weeks
years
RISKS
RISKS = HAZARDS x PROBABILITY OF EXPOSURE
ACUTE HEALTH EFFECTS
CHRONIC HEALTH EFFECTS
(check/list acute symptoms of exposure):
(check/list chronic effects):
_____ Irritation _____ Burning _____ Nausea _____ Dizziness _____ Difficulty Breathing _____ Sensitization (allergies) _____ Others (list): _________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________
_____ Cancer _____ Teratogenesis (effects on unborn) _____ Mutagenesis (chromosomal changes) _____ Others (list): _________________________ ___________________________________ ___________________________________ PHYSICAL EFFECTS (check/list physical effects) _____ Fire _____ Explosion _____ Excessive Temperature _____ Release of Pressure _____ Release of Toxic/Flammable Gases/Vapors _____ Others (List) _________________________ ___________________________________
« Also Consider: The number of individuals potentially exposed and their individual susceptibility (place “X’s” in the appropriate boxes)
Risks Health Effects
Health Effects
Indicators Exposure Limits (PEL & TLV)* Vapor Hazard Ratio **
LESS RISKY ►►►►►►►►►►►►►►►►► MORE RISKY >1000 ppm
1001000 ppm
10100 ppm
110 ppm
<1 ppm
<10
101000
100010,000
10,000100,000
>100,000
3
* ppm = (mg/M )(24.45/MW) 6 ** [(VP at temp. of use)(10 )/atmospheric pressure]/TLV or PEL
PROBABILITY OF EXPOSURE
(atmospheric pressure is 760 @ sea level)
RISKS = HAZARDS x PROBABILITY OF EXPOSURE
« Also Consider: The manner of use, storage and disposal (place “X’s” in the appropriate boxes)
Probability of Exposure Indicators
EXPOSURE LESS LIKELY ►►►►►EXPOSURE MORE LIKELY LESS RISKY ►►►►►►►►►►►►►►►►► MORE RISKY ingestion
skin contact and ingestion
small quantities low conc. solids pellets <1
intermediate quantities and conc. mists
Routes of Exposure Quantity Physical Form Vapor Pressure (mmHg @20 o C)
liquids granules 110
10100
vapors / fume fine powders 100760
inhalation, skin contact and ingestion large quantities, high conc. gases 760
(consider operating temperature also)
Boiling Point ( o F / o C) Detection Warning Properties
>302 / >150 appearance,
established odor/irritation levels odor/irritation < PEL / TLV
122302 / 50150 odor/irritation,
odor/irritation levels not established odor/irritation > PEL / TLV
<122 / <50 analytical methods