The most common asbestos mineral is
Chrysotil
The most hazardous common asbestos mineral is
Crocidolite
The least hazardous asbestos
... [Show More] mineral
Chrysolite
Does asbestos readily dissolved in
No
Does asbestos remain strong even when wrapped on a hot
Yes
Does asbestos improve properties of mastics and Plaster's
Yes
Does asbestos results break down by biological agents
Yes
There's asbestos conduct electricity
No
Does asbestos have Crystaline properties
Yes
Three routes of exposure for hazardous materials
Inhalation ingestion and skin exposure
primary Way asbestos enters the body
Inhalation
asbestos is regulated because it is known as a
Carcinogen
Symptoms of mesothelioma and latency years
Severe chest pain 20 to 40 years fatal within 18 months
Symptoms of lung cancer latency and prognosis
Persistent cough coughing blood 20 years usually fatal
Symptoms latency years and prognosis of asbestosis
Scarring shortness of breath 10 to 20 years debilitating
What lung disease whose likelihood is not clearly related to total exposure does
Mesothelioma
Lung disease which is not cancer
Asbestosis
On every asbestos construction project the employer must designate
Competent person
Employer must in sure that a competent person (CP) has what three things
Training responsibility authority
PEL
Permissible Exposure Limit
TWA
Time Weighted Average
PEL-TWA Excursion limit is
.1 f/cc per 8hrs
PEL excursion limit is
1.0 f/cc per 30 min
Air monitoring samples are collected with what
Personal monitoring pump and cassette
The monitoring is that must be placed in
facing down within 12 inches of Breathing zone
Negative exposure assessment (NEA)
Demonstration by the employer that PEL will not be exceeded for the project
PACM
Presumed Asbestos Containing Material
PACM includes 3 types
Surfacing..... resilient flooring ..... thermal system insulation (TSI)
Asbestos flooring installed after this year is not PACM
1980
5 means of confining and minimizing fiber dispersal
Don't make it friable keep it contained keep it wet HEPA filters control airflow
example of class 1 asbestos work is
Removal of popcorn ceiling (surfacing)
Example of class II asbestos work
Removal of drywall
Example of class III Asbestos work
Repairing water pipes (disturbing)
Example of class IV asbestos work
Polishing floors
What class of asbestos work is on non-disturbed
Class IV
What class of asbestos work is on surfacing
Class I
What class of asbestos work is when it's disturbed
Class III
What class of asbestos work can change by the materials condition and what can it change to
Class IV can change to Class III If disturbed
HEPA filters are what percentage effective
99.97% down to .3 microns
For class III work respirator's must be worn when
TSI or surfacing
Not done with wet method
No NEA
What are the two types of use or seal checks
Positive and negative
User seal checks must be performed when
Every time
Which type of respirator requires fit testing
Tight fitting NPAPR
How often is fit testing required
Annually or after facial change
Do you have to wear the respirator you fit tested with
Must wear same make model and size
Factors that can affect the fit of your respirator include
Weight change scarring dental changes cosmetic surgery
What agency approves respirators for asbestos use
NIOSH (National Institute of occupational safety and health)
What color must the filter be for air purifying respirators for asbestos work
Magenta
HEPA is in Abbreviation for
High efficiency of particulate air
Type of respirator required for class III work
Half face NPAPR
Tight fitting PAPRS must be supplied to workers performing class III asbestos work
If requested
Greater than 5 f/cc
Any time above the PEL level of .1 F/cc
When must you get a new HEPA filter
If it becomes clogged or hard to breathe
To repair a NPAPR you must use what
Approved parts and have training
You must set up a regulated area if you could exceed the PEL or perform what classes
I
II
III
What five activities are prohibited in regulated areas
Smoking
drinking
eating
chewing gum
applying cosmetics
OSHA requires warning signs for indoor asbestos regulated areas to be posted where
Entrance to regulated area
List the three work practice is required for all operations regardless of exposure level
Wet methods
HEPA vacuum
Prompt cleanup and disposal
You need determination by a PLHCP about your ability to wear a respirator while doing asbestos work if
Wearing a NPAPR
You must be provided the full four part asbestos related medical surveillance if
You spend more than 30 days a year in the work above PEL level
in class I and class II
Four items in the full asbestos related medical surveillance
Medical history
pulmonary function
physical exam
chest x-ray
Your employer must ensure that you have a what
Medical
How often is the medical done for asbestos workers
Annually
What for rights do you have under the medical evaluation surveillance program
Copy of records
physician non-disclosure
free and convenient medical
privacy
The smoke test is required during class III asbestos work for use of
Glove bags
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