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blood pressure, slow heart, death may be delayed several days.
Emergency Aid Artificial respiration. Oxygen if available.
Medical
Treatment
Symptomatic—oxygen; control convulsions with sedatives, restore
fluid balance with glucose and saline.
Sulfuryl Fluoride
Signs and
Symptoms
Central nervous system depression, excitation may follow.
Emergency Aid and Safety Fumigation Exposure
Fumigant Safety
7-1-4 Treatment Manual 10/2002-04
PPQ
Emergency Aid Place patient in fresh air, face downward, with head slightly below
level of lungs. Keep warm. If breathing stops, give artificial respiration.
Medical
Treatment
First symptoms expected are those of respiratory irritation and central
nervous system depression. Treat symptomatically.
Fumigant Safety
Specific precautions to be followed when using each of the fumigants
are listed on the label and labelling. However, the following general
safety procedures can be applied to most applications.
1. Hazards vary with:
A. Relative toxicity of each fumigant
B. Dosage rate (concentration)
C. Size of enclosure
D. Tightness of enclosure
E. Physical condition of employee (allergies, heart condition,
respiratory ailments, etc.)
2. It is important to:
A. Know the characteristics of the fumigants you are working
with
B. Have the proper equipment to carry out the fumigation
C. Be familiar with the emergency aid required should an
accident occur
3. Wear protective equipment if there is a chance of exposure to
highly toxic liquid fumigants.
A. Gloves should be impermeable to liquid fumigant being used
B. Rubber aprons should be long enough to prevent legs from
being exposed
C. A face shield or respirator should be worn when liquids are
being transferred and there is a possibility of splattering
4. Dispensers for measuring the amount of fumigant should have
shatter-proof shields.
5. The area surrounding the fumigation enclosure should be
well-aerated. Operators should be located upwind from
treatment.
6. If it is necessary to stay in the area of a treatment, the air should
be monitored to determine if harmful levels of the fumigant are
present.
Emergency Aid and Safety Fumigation Exposure
Fumigant Safety
10/2002-04 Treatment Manual 7-1-5
PPQ
7. Under no circumstances should an inspector be exposed to
concentrations above minimum safe standards. A self-contained
breathing apparatus (SCBA) should always be readily available
should an emergency develop.
8. A SCBA is required at all fumigation sites. Use of such
respirators is mandatory for PPQ Officers when within 30 feet of
tarpaulin fumigation or whenever TLV is exceeded (5 ppm for
methyl bromide).. You must have a medical evaluation and
clearance to use SCBA equipment. The evaluation must be
performed by a physician or licensed health care professional.
Also, you must follow OSHA standards for respirator use. (See
APHIS Safety and Health Manual, Chapter 11, Section 3)
9. Wash hands and face after leaving area where toxic amounts of
fumigants are being used.
10. Do not eat, drink, smoke, or carry tobacco in areas where
fumigants are being used.
11. A first-aid kit equipped with the proper materials should be
readily available at the treatment site.
12. Persons working regularly with toxic fumigants should have
blood tests and physical examinations if warranted by
supervisor’s consultation with local medical authorities.
13. Have telephone numbers of local hospitals, doctors, and poison
control centers prominently displayed.
14. Learn to recognize the signs and symptoms of fumigant
poisoning. Training should be given to each inspector.
15. Supervisors should be aware of signs of fatigue. Risk of accidents
increases in tired employees.
Emergency Aid and Safety Fumigation Exposure
Guidelines for Using Fumigants Safely
7-1-6 Treatment Manual 10/2002-04
PPQ
Guidelines for Using Fumigants Safely
Emergency-Rescue and respirator1 for each of the fumigants is
a SCBA.
1 For use outside of enclosure only.
TABLE 7-1-1: Fumigant Monitoring Devices and Sources of Exposure
Fumigant/Routes of Entry
Detector Unit or
Monitoring Device Sources of Exposure
Chloropicrin:
Inhalation
None Application of liquid, leakage
from enclosure, aeration
Methyl bromide:
Inhalation, skin
Gas detector tubes,
Halide detector, T/C
Unit
Cylinder connection, leaks in
tarpaulin, applicators, aeration
Phosphine (from aluminum
phosphide):
Inhalation
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