and Integrated Pest Management - part - usaid

418 PESI1CIDE MANAGIEMENr AND IPM IN SOUTIIEAST ASiA
PROTECTIVE CLOTHING
Figure 1. Results of With Boots
a study on the use of
protective clothing in Without
San Leonardo, Nueva
Ecija province, 1985. Long sleeves \.
Long pants
Long/ Short 26.25
Pants/Sleeves
Short Sleeves 2.5 Clolhing
Short Pants
With
Without
With
Gloves
26.25MOS
Without M E . 73.75
0 20 40 60 80
Percentage
1. Limits of detection.
2. Percentage recovery of methyl parathioi.
3. Stability testing of methyl parathion
Recoveries
on cotton
of between
swatches.
80% and 95%
experiments
were obtained
conducted
from the
at
series
a 3-5
of
ppm limit of detection using
chromatography.
gas
After the method validation, a dry run
conducted
was performed.
in Bulacan
The
located
dry run
in the
was
rice granary
(Figure
of
2).
the Central
Two volunteer
Plain of Luzon
farmers were involved
parathion
in the
50
spraying
EC. The
of
application
methyl
knapsack
rate was
sprayer.
30 ml/16
The
L
total
of water
area covered
using a
was
and
one
gloves
hectare.
used
Protective
were made
clothing
of cotton material. The exposure pads,
x 10
measuring
cm were
10
of gauze
The
material.
dry run was done in late 1986. The
the
two
cotton
subjects
coveralls
were first
for
made
pre-marking
to try
of sections
exposure
for sampling
pads (Figure
and placement
3). The exposure
of
pads
portions
were placed
and thigh
inside
portions
the gloves-palm
of the coveralls
pins,
with
backed
leukoplast
up with
(plaster)
aluminum
and
foil.
safety
The
marked
farmers
coveralls
were then
and
made
gloves
to wear
with
the
exposure
spraying pads
operations.
and to go
The
through
time of
normal
spraying and the total amount of pesticides
used by each farmer were recorded.
After spraying, sectioning of samples
coveralls
was done
from the
without
subjects'
removal
bodies to
of
avoid possible cross contamination and
.
100