Abstract:
The work reported here has been carried out to
Quetta Valley in air, food and
water. 1600 samples of Almond, Pistachio and Walnuts and
peanuts were collected seasonally from different parts of
explore pollutants of
Quetta city and examined qualitatively and quantitatively
for the presence of Mycotoxin. Peanuts were found to be
highly contaminated by saprophytic fungi Aspergillus
infection
flavus
Walnuts .
pistachio,
by
followed
Almond
and
Level of Af latoxin in Peanuts was found to be
highest among four.
Aflatoxin level in Peanuts was 80
ppb, Pistachio 70 ppb, Almond 25 ppb and Walnut 20 ppb .
Fungal infections and subsequent aflatoxin production was
high
during
temperature
summer
and
and
autumn
moisture
seasons
due
to
high
Correlation
contents.
of
aflatoxin with liver cancer was discussed.
The degree of air pollution was determined on
heavy
traffic
areas
using
road
side
trees
as
an
indicator. The leaves of Cupressus sp, Pinus, Fraxinus,
excelsior,
Rubinea. Pseudoaccasia
were
collected
and
analyzed for micro, macro and heavy metals concentration.
The detection and estimation of these elements was done
by using atomic absortion spec.trophoto meter.
Significantly
high
lead,
Nickel
Manganese
cadmium, Iron, and Zinc contents were found. These highly
toxic for all living systems and cause adverse effects
directly or indirectly on human health.
The common
source of Lead, cadmium Nickel, Zinc, Iron and Manganese
on tree leaves is motor vehicles.
The heavy metal
concentration increases with increasing distance from the
This study showed that maximum pollution is on
road.
Jinnah Road to access the disease caused by pollution, 16
diseases of minor and major characteristics were
A questionnaire was distributed to 1000
selected.
selected shopkeepers
randomly
and residents
of
heavy
traffic fifteen roads of Quetta city. These were 95.1%
respondents resulted in a 95.1% return.
The significance of lead as a health hazard in
the Quetta City was calculated.
The regression
eolations
were developed and generalized for the larger population
using the data in
hand.
It
was observed that blood
pressure, E.N.T, Fatigue gasteo intestinal diseases and
There is a
cancer are highly correlated with lead.
impact
relationship
linear
hazardous
of
between
diverse profession and the number of
patients of various diseases, x test is used loi
determining the significance of pollutants on patient s oi
pollutants
on
various diseases, thereby rejecting our null hypothesis.
water
samples
seasonally
collected
from
different municipal water supplies of Quetta City were
microbiological
and
their
Chemical
for
analyzed
characteristics . Calcium, Magnesium, Sodium, Potassium,
Carbonate,
Bicarbonate,
Chloride,
Sulphate,
Nitrate,
Boron dissolved solids, pH conductivity total Cations,
total anions, Chromium, Lead, Nickel, Cadmium, Iron and
Zinc, were determined quantitatively.
The presence of indicator bacteria in potable
water was found to be an important and interesting topic
Most of
.
the work done in this regard was based on the
enumeration of indicator bacteria in the water samples.
In environment getting polluted by human and animal
waste .
Coliform and fecal coliform populations were
found abundantly fecal streptococci were also isolated.
This situation further intensifies
hazardous of fecal pollution.
the
threat of
the