1.0 INTRODUCTIONtrpenvis.nic.in/test/doc_files/Laxmi-Puja-2018-report.pdf · Goddess Laxmi is...

Tripura State Pollution Control Board 1

1.0 INTRODUCTION :

Laxmi puja is a regional festival of light and wealth, celebrated by the Bengali

people after 7 days of Bijoya Dashami (Dussehra) in Tripura. In this festival

Goddess Laxmi is worshipped for wealth and well being of everyone, but it has

turned into a noisy occasion in this part of this Country due to bursting of fire

crackers. Fire crackers are generally classified as light emitting and sound emitting.

But several hybrid types are now available which are both light emitting and sound

emitting. They also generate a lot of sound.

This year, it was celebrated on 24th October, 2018. Rapid Urbanization, increasing

numbers of vehicles, music systems & bursting of sound producing fire crackers

during festive seasons and in different social gatherings adds to an increasingly

noisy environment. In Tripura, Laxmi Puja is celebrated in almost every Hindu

house where firecrackers are burst in huge amount including the main cities of the

state. The high noise levels measured during both day and night time are mainly

due to bursting of firecrackers, vehicular movement, public address system and

such other factors.

2.0 NOISE :

Physically noise is a complex sound with little or no periodicity, and psychologically

noise may be defined as the sound that is unpleasant and unwanted by the listener

because of its bothersome nature, interference with the perception of wanted sound

or its harmful physiological and psychological effects. Unpleasantness and harmful

effects of noise depend upon factors like intensity of sound waves, frequency, and

duration of exposure and intermittence of sound.

Excessive noise can damage the ear. Depending upon the intensity and duration of

noise, the person exposed to it may suffer from temporary or permanent noise

induced hearing loss. When a person is exposed to continuous but short period of

high intensity noise, the auditory sensitivity of the ear is reduced temporarily. In

addition to hearing loss, excessive noise may also cause physiological and

psychological disorders. These include nausea, dizziness, indigestion, metabolic

disorder, decreased heartbeats and variation in blood pressure, breathing

difficulties and harmful effects on limb coordination and thinking ability. The

mildest psychological effects of noise are physical & mental fatigue and lack of

concentration. These in turn, leads to lowered efficiency, reduced output, increased

absenteeism and higher rates of accidents.


3.0 ADVERSE EFFECTS DUE TO BURSTING OF FIRECRACKERS:

Apart from the mild burns and accidents the children also breathe the toxic air

and suffer from nasal irritation and throat congestion.

The smoke also irritates the eyes causing tears and redness. Sometimes the

sound makes the ears non-functional and causes deafness.

Bursting crackers may increase blood pressure and aggravate heart disease.

Nausea, headache and giddiness are common effects of bursting crackers.

Lung infections such as coughing, sneezing, respiratory disorders like

asthma, wheezing often get severe during the festival days. The pollution

hazards such as the toxic smoke causes a lot of discomfort in breathing.

The poisonous gas can also affect pregnant women adversely. It may also

affect the mentally ill patients leading to depression, fear and stress.

4.0 OBJECTIVES:

A. Noise Level Monitoring:

In order to assess the noise level during Laxmi Puja Festival, noise monitoring

was carried out at Agartala, the state capital of Tripura, Udaipur town area of

Gomati District, Ambassa town of Dhalai District & Kumarghat town in Unakoti

district on Laxmi Puja Festival Day i.e. on 24.10.2018.

The main objectives of Noise Monitoring are:

To monitor the ambient noise levels during Laxmi Puja at various locations in

different cities- Agartala, Udaipur, Ambassa and Kumarghat.

To compare measured Noise Levels against ambient Noise standards and to

assess the extent of violation.

To identify the significant contributors of Noise Level so as to take overall

decision for mitigation at the source itself.

To identify significant factors and its individual impact and to suggest

alternative measures.

To find collective significant factor and its collective impacts as to help the

planners to take decision at the earliest possible stage.

To facilitate in evolving policy for laying down standards and to formulate legal

action for punishment, prohibiting, and preventing noise.

To communicate the information gathered to the public for awareness.

B. Air Quality Monitoring :

Fireworks contain chemicals such as sodium oxalate, aluminum, arsenic, sulphur,

manganese, iron dust powder, potassium perchlorate, strontium nitrate and

barium nitrate etc. which after burning produces gaseous pollutants such as SO2


and NO2, and produce huge amount of ambient air particulates that generates

dense clouds of smoke.

The main objectives of air quality monitoring are:

To monitor the air quality parameters such as PM10, PM2.5, Sulfur Dioxide (SO2)

and Nitrogen Dioxide (NO2) on Laxmi Puja Day at various locations in different

cities viz Agartala, Udaipur, Kumarghat and Ambassa.

To compare measured parameters against ambient Air standards and to

assess the extent of violation.

To create awareness about air pollution through availability of scientific

monitoring data.

To communicate the information gathered to the public for awareness.

5.0 METHODS OF MEASUREMENT:

A. Noise Level Monitoring:

Sound Level Meters (SLM) SL-4001(Make: Lutron) was used for monitoring of noise

levels. The noise levels were monitored at least for 30 minutes at each location

during monitoring.

Leq Formula:

The ‘root mean square’ quantity of a sound wave is known as r.m.s. excess pressure

or more commonly as sound pressure.

Sound level is the sound pressure level in decibels (dB) and is 20 times the

logarithm to the base ten of the ratio of a weighted sound pressure to the reference

sound pressure. This is expressed as force per unit area either in Newtons per

square metre (N/m2) or in Pascals (Pa).

“A- Weighted” means making graded adjustments in the intensities of the sound of

various frequencies for the purpose of noise measurement so that the sound

pressure level measured by an instrument reflects the actual response of the

human ear to the sound measured.

Steady Sound pressure Level which over the given period of time would have given

the same total energy as the actual fluctuating time. Thus Leq is the r.m.s sound


pressure level taking the measurement duration as the averaging time. It is

calculated as follows:

n

Leq. = 10 log( fi 10 Li/10 )

i=1

Fi = Fraction of time for which the consent SPL persists

Li = Sound Intensity Level

Lmin = Minimum Noise Level during the period of measurement

Lmax = Maximum Noise Level during the period of measurement

Leq = Equivalent noise level.

B. Air Quality Monitoring: The sampling procedures for measurement of PM-10, PM-2.5, NO2 and SO2 were

according to the internationally accepted standard technique through use of

Respirable Dust Sampler manufactured by M/s ENVIROTECH APM 460DXNL, with

gaseous sampling attachments used for sampling purposes. In the sampler, air

borne particulates are trapped by sucking air through a pre-weighed glass fibre

filter paper (Whatman GF/A) by an electric blower at a high flow rate of 0.8 to 1.2

cubic meters per minute. The air passing through the filter is monitored by

measuring the pressure drop across an Orifice Plate placed between the filer holder

and the blower by a calibrated manometer. A time totaliser records the duration of

sampling. The mass of particulates collected is measured using a balance. The

gaseous sampling is performed through an attachable subsidiary unit by diverting

only about 0.4 litres per minute (LPM) of air flow which is measured by a rotameter.

The system is provided with a set of four 35 ml impingers. A gas manifold with

separate flow control valves allows independent flow rates to be set in individual

impingers. However, two sets of two impingers in series each with 20 ml of

appropriate absorbing solutions are used for sampling SO2 and NOx. The sampling

time may vary from a few minutes to 24 hours. Generally sampling is done over a

period of 24-hours in three shifts each of eight hours duration. Shift wise

monitoring data sheets are used for recording the particulates. The method of

sampling and analysis of NO2 is as per IS 5182 (Part VI, 1975). However, the

method for sampling and analysis of SO2 is as per IS 5182 (Part II, 1969).

6.0 MONITORING POINTS:

A. Noise Level Monitoring: The noise monitoring were conducted in 20 locations in and around East Agartala,

16 locations in and around West Agartala, 5 locations in and around Udaipur, 8


locations in and around Ambassa and 7 locations in and around Kumarghat town

during Laxmi puja festival-2018. All the locations and monitoring points are given

in Table-1-4.

TABLE-1: MONITORING POINTS OF AGARTALA DURING LAXMI PUJA

FESTIVAL-2018

Sl No Locations Category

EAST AGARTALA

1. G.B. Hospital Chowmuhani Silent

2. M.B.B. College Silent

3. Gandhi school Silent

4. Bodhjung chowmuhani Silent

5. 79 Tilla Residential

6. Indranagar Residential

7. Dhaleswar Residential

8. Lalbahadur Chowmuhani Residential

9. Abhoynagar Residential

10. Circuit House Residential

11. A.G.Quarter complex Residential

12. Capital Complex Residential

13. Ashram Chowmuhani Commercial

14. Chandrapur Commercial

15. Math Chowmuhani Commercial

16. Ramthakur Sangha Commercial

17. Ganaraj chowmuhani Commercial

18. Astabal Commercial

19. Gorkhabasti Commercial

20. Lichu Bagan Commercial

WEST AGARTALA

1 Bijoy kumar chowmuhani Silent

2 I.G.M Hospital Silent

3 M.B.Tilla Residential

4 A.D.Nagar police Residential

5 Gol chakar Residential

6 Gandhighat quarters Residential

7 Mouchak club Commercial

8 Battala Commercial

9 Fire service Commercial

10 Durga Chowmuhani Commercial

11 Shankar chowmuhani Commercial

12 T.R.T.C Chowmuhani Commercial

13 Netaji Chowmuhani Commercial



14 Post Office Chowmuhani Commercial

15 R.M.S Chowmuhani Commercial

16 Kaman Chowmuhani Commercial

TABLE-2: MONITORING POINTS OF UDAIPUR DURING LAXMI PUJA

FESTIVAL-2018


1. Bridge Chowmuhani Residential

2. West bank of Amar Sagar Residential

3. Udaipur Sub-Div District

Hospital

Silent

4. Bramaha Bari Commercial

5. Matabari Silent

TABLE-3: MONITORING POINTS OF AMBASSA DURING LAXMI PUJA

FESTIVAL-2018


1. Ambassa Market Autostand Commercial

2. Kulai Bazar

Commercial

3. Kulai District Hospital

Silent

4. Ambassa PHC Silent

5. Jawaharnagar Office complex

Residential

6. Dalubari Market Commercial

7. Ambassa Railway Station Commercial

8. Santipara Residential


TABLE-4: MONITORING POINTS OF KUMARGHAT DURING LAXMI PUJA

FESTIVAL-2018


1. Near Kumarghat police station Commercial

2. Near Railway Station Commercial

3. Near co-operative bank

Commercial

4. Near Pabiacherra high school Commercial

5. Near Hospital Area Silent

6. Near kumarghat motor stand

Commercial

7. DSTE Office Commercial

B. Air Quality Monitoring: To assess the air quality during Laxmi Puja Festival the air quality monitoring have

been done in the following locations covering Agartala, Udaipur, Ambassa and

Kumarghat (Table-5).

Table-5: Air Quality Monitoring Stations

Sl.

No. Monitoring Locations Longitude (E) Latitude (N)

1 Kunjaban at TSPCB Office

Complex

91°16′509″E 23°51′117″N

2 Bipani bitan, Bordowali,,

Agartala

91°16′522″E 23°49′595″N

3 Dhajanagar, Udaipur 91°28′07.8″E 23°33′022″N

4 Jaharnagar office complex,

Ambassa, Dhalai

91°53′015″E 23°54′056″N

5 Kumarghat DSTE Office 92°01′054″E 24°9′050″N


The map showing the monitoring towns as as follows :

7.0 FINDINGS:

A. Noise Level Monitoring : The findings from Noise Monitoring carried out by the Tripura State Pollution

Control Board during Laxmi Puja Festival, 2018 are shown in the Tables 6-9. The

comparative study of noise level at Agartala, Udaipur, Ambassa and Kumarghat are

at Tables 10-17. The graphical representation of the noise level on Laxmi puja day

at Agartala, Udaipur, Ambassa and Kumarghat with standard are at Figures 1-8.


TABLE-6: NOISE LEVELS IN dB (A) OF AGARTALA DURING LAXMI

PUJA FESTIVAL-2018

Sl. No.

Monitoring Points

Zone Category

Day Time Night Time Remarks (6.00 am to 10.00 pm) (10.00 pm to 6.00 am)

Lmin Lmax Leq Lmin Lmax Leq

EAST AGARTALA

1. G.B. Hospital Chowmuhani

Silent 46.2 52.9 49.33 43.7 50.8 47.35

2. M.B.B. College

Silent 51.3 58.1 54.64 47.7 60.7 54.55

3. Near Gandhi School

Silent 58.1 70.2 65.73 52.8 63.7 59.15

4. Bodhjung chowmuhani

Silent 58.2 65.3 61.75 48.0 69.9 62.25

5. 79 Tilla Residential 61.3 80.5 73.07 50.7 60.9 56.92

6. Indranagar Residential 52.3 65.3 59.71 49.7 61.5 54.34

7. Dhaleswar Residential 48.3 75.5 66.48 60.5 73 68.03

8. Lalbahadur Chowmuhani

Residential 61.3 81.3 75.11 53.1 79.3 65.44

9. Abhoynagar Residential 58.3 72.3 66.07 50.4 79.6 64.52

10. A.G.Quarter complex

Residential 50.2 57.3 55.99 48.4 72 58.03

11. Circuit House

Residential 52.3 61.3 56.86 48.2 61.7 53.48

12. Capital Complex

Residential 42.3 48.2 44.56 44.5 57.8 51.16

13. Ashram Chowmuhani

Commercial 56.3 78.2 70.50 50.6 69.4 60.48

14. Chandrapur Commercial 55.2 61.3 58.19 44.8 62.8 53.27

15. Math Chowmuhani

Commercial 62.3 78.2 72.27 55.0 67.8 62.67

16. Ramthakur Sangha

Commercial 57.3 67.3 62.81 54.1 64.3 58.02

17. Ganaraj chowmuhani

Commercial 58.3 70.3 65.24 55.0 72.2 62.10

18. Astabal Commercial 59.1 72.3 66.76 50.0 63.7 57.92

19. Gorkhabasti Commercial 39.2 52.3 47.27 50.2 72.9 63.44

20. Lichu Bagan Commercial 58.9 72.3 67.09 46.2 58.0 51.37

WEST AGARTALA

1. Bijoy kumar chowmuhani

Silent 51.3 62.7 56.90 51.2 60.8 55.49

2. I.G.M Silent 52.3 75.3 66.16 55.8 68.3 61.89

3. M.B.Tilla Residential 54.1 66.2 60.99 52.5 66.8 61.86

4. A.D.Nagar police

Residential 53.2 65.8 59.05 48.1 57.1 53.15

5. Gol chakar Residential 57.9 66.5 62.57 49.3 61.1 54.76

6. Gandhighat quarters

Residential 56.9 77.3 64.29 50.2 70.0 63.10

7. Mouchak Commercial 55.7 72.3 66.06 50.2 65.5 60.79


Sl. No.

Monitoring Points

Zone Category



club

8. Battala Commercial 65.1 92.6 79.74 55.6 71.7 62.14

9. Fire service Commercial 54.8 75.4 65.98 55.5 69.2 62.76

10. Durga Chowmuhani

Commercial 57.1 67.2 62.60 58.8 72.3 64.82

11. Shankar chowmuhani

Commercial 53.6 71.5 63.77 52.1 79.8 65.67

12. T.R.T.C Commercial 59.1 69.4 63.53 47.6 58.6 54.19

13. Netaji Chowmuhani

Commercial 57.5 72.4 63.72 51.3 62.4 57.64

14. Post Office Chowmuhani

Commercial 53.5 69.4 62.86 50.8 74.7 62.18

15. R.M.S Chowmuhani

Commercial 55.3 80.4 71.55 55.7 73.9 67.02

16. Kaman Chowmuhani

Commercial 59.7 69.3 65.08 58.9 71.3 63.35

Note: Almost in all locations Human Crowd, Vehicular movement, fire crackers, mike and public address systems were there during monitoring at Day & Night Time.

TABLE-7: NOISE LEVELS IN dB (A) OF UDAIPUR CITY DURING LAXMI

PUJA FESTIVAL-2018

Sl. No.

Monitoring Points

Zone Category



1. Bridge Chowmuhani

Residential 52.1 58.0 55.56 43.9 46.2 45.02

2. West bank of

Amar Sagar Residential 52.1 59.0 56.52 43.0 45.6 44.16

3. Udaipur District hospital

Silent 54.5 57.3 56.40 42.1 44.5 43.40

4. Bramaha Bari

Commercial 58.5 66.3 63.66 44.9 47.6 46.41

5. Matabari Silent 52.5 57.8 55.97 42.3 44.6 43.50

Note: Almost in all locations Human Crowd, Vehicular movement and public address systems were there during monitoring at Day & Night Time.


TABLE-8: NOISE LEVELS IN dB (A) OF AMBASSA DURING LAXMI PUJA

FESTIVAL-2018

Sl. No.

Monitoring Points

Zone Category



1.

Ambassa

Market Autostand

Commercial 56.4 64.9 60.27 51.9 58.9 55.28

2. Kulai Bazar Commercial 55.3 62.5 59.24 48.2 54.5 51.78

3. Kulai District Hospital

Silent

45.1 53.2 49.44 34.4 41.3 38.24

4. Ambassa PHC Silent 59.7 66.4 63.00 49.2 57.1 53.30

5.

Jawaharnagar Office

complex

Residential 53.5 61.7 57.57 40.4 46.5 43.65

6. Dalubari

Market Commercial 58.2 65.5 61.99 50.8 57.3 54.00

7.

Ambassa

Railway Station

Commercial 51.1 58.5 55.04 43.4 49.1 46.23

8. Santipara Residential 58.1 65.8 61.83 45.7 51.6 48.14


TABLE-9: NOISE LEVELS IN dB (A) OF KUMARGHAT DURING LAXMI

PUJA FESTIVAL-2018 Sl. No.

Monitoring Points

Zone Category



1.

Near

Kumarghat police station

Commercial 56.5 67.7 62.56 39.7 44.6 41.95

2. Near Railway Station

Commercial 51.8 67.8 60.65 39.4 42.9 40.91

3. Near co- perative bank Commercial 62.0 73.9 68.23 39.6 47.8 43.96

4. Near Pabiacherra high school

Commercial 46.5 60.3 54.58 39.1 43.2 40.73

5. Near Hospital Area

Silent 47.7 58.5 54.81 38.4 42.3 40.51

6. Near kumarghat motor stand

Commercial 54.8 63.8 59.00 40.8 55.7 50.76

7. DSTE Office Commercial 50.6 58.6 55.54 39.2 44.1 41.36



TABLE-10.0: COMPARATIVE STUDY OF NOISE LEVELS OF AGARTALA

FOR LAXMI PUJA DAY AND STANDARD AT DAY TIME & NIGHT TIME

DURING 2018 (REFER TABLE 6).

Zone Locations Day Time Night Time

Standard Leq dB (A) Standard Leq dB (A)

Sil

en

t

G.B. Hospital Chowmuhani

50 49.33 40 47.35

M.B.B. College 50 54.64 40 54.55

Near Gandhi School 50 65.73 40 59.15

Bodhjung Chowmuhani 50 61.75 40 62.25

Bijoy kumar Chowmuhani 50 56.90 40 55.49

I.G.M 50 66.16 40 61.89

Resid

en

tial

79 Tilla 55 73.07 45 56.92

Indranagar 55 59.71 45 54.34

Dhaleswar 55 66.48 45 68.03

Lalbahadur Chowmuhani 55 75.11 45 65.44

Abhoynagar 55 66.07 45 64.52

Circuit House 55 56.86 45 53.48

A.G.Quarter complex 55 53.99 45 58.03

Capital Complex 55 44.56 45 51.16

M.B.Tilla 55 60.99 45 61.86

A.D.Nagar police 55 59.05 45 53.15

Gol chakar 55 62.57 45 54.76

Gandhighat quarters 55 64.29 45 63.10

Com

merc

ial

Ashram Chowmuhani 65 70.50 55 60.48

Chandrapur 65 58.19 55 53.27

Math Chowmuhani 65 72.27 55 62.67

Ramthakur Sangha 65 62.81 55 58.02

Ganaraj chowmuhani 65 65.24 55 62.10

Astabal 65 66.76 55 57.92

Gorkhabasti 65 47.27 55 63.44

Lichu Bagan 65 67.09 55 51.37

Mouchak club 65 66.06 55 60.79

Battala 65 79.74 55 62.14

Fire service 65 65.98 55 62.76

Durga Chowmuhani 65 62.60 55 64.82

Shankar chowmuhani 65 63.77 55 65.67

T.R.T.C 65 63.53 55 54.19

Netaji Chowmuhani 65 63.72 55 57.64

Post Office Chowmuhani 65 62.86 55 62.18

R.M.S Chowmuhani 65 71.55 55 67.02




Kaman Chowmuhani 65 65.08 55 63.35

TABLE-11.0: COMPARATIVE STUDY OF NOISE LEVELS OF UDAIPUR


DURING 2018 (REFER TABLE 7)



Sil

en

t

Udaipur Sub-Div. hospital 50 56.40 40 43.40

Matabari 50 55.97 40 43.50

Resid

en

tial

Bridge Chowmuhani 55 55.56 45 45.02

West bank of Amar Sagar 55 56.52 45 44.16

Com

merc

ial

Bramaha Bari 65 63.66 55 46.41

TABLE-12.0: COMPARATIVE STUDY OF NOISE LEVELS OF AMBASSA


DURING 2018 (REFER TABLE 8)



Sil

en

t District Hospital 50 49.44 40 38.24

Ambassa PHC 50 63.00 40 53.30

Resid

en

tial

Jawaharnagar Office complex

55 57.57 45 43.65

Santipara 55 61.83 45 48.14

Com

merc

ial

Ambasa Market Autostand

65 60.27 55 55.28

Kulai Bazar 65 59.24 55 51.78

Dalubari Market 65 61.99 55 54.00

Ambassa Railway Station

65 55.04 55 46.23


TABLE-13.0: COMPARATIVE STUDY OF NOISE LEVELS OF

KUMARGHAT FOR LAXMI PUJA DAY AND STANDARD AT DAY TIME &

NIGHT TIME DURING 2018 (REFER TABLE 9)



Sil

en

t

Near Hospital Area 50 54.81 40 40.51

Resid

en

tial

Near Pabiacherra high school

55 54.58 45 40.73

Com

merc

ial

Near Kumarghat police station

65 62.56 55 41.95

Near Railway Station 65 60.65 55 40.91

Near co-operative bank 65 68.23 55 43.96

Near kumarghat motor stand

65 59.00 55 50.76

DSTE Office 65 55.54 55 41.36


TABLE-14.0: COMPARATIVE STUDY OF NOISE LEVELS OF AGARTALA FOR LAXMI PUJA DAY AND

STANDARD AT DAY TIME & NIGHT TIME DURING 2017 & 2018.

Zone Locations Noise Level at Day Time Noise Level at Day Time

Standard 2017 2018 Standard 2017 2018

Silent

G.B. Hospital

Chowmuhani 50 55.46 49.33↓ 40 44.21 47.35↑

M.B.B. College 50 44.07 54.64↑ 40 40.38 54.55↑

Near Gandhi School 50 65.56 65.73↑ 40 53.09 59.15↑

Bodhjung

chowmuhani 50 60.98 61.75↑ 40 49.90 62.25↑

Bijoy kumar

chowmuhani 50 61.92 56.90↓ 40 51.70 55.49↑

I.G.M 50 56.00 66.16↑ 40 48.86 61.89↑

Residential

79 Tilla 55 57.09 73.07↑ 45 42.83 56.92↑

Indranagar 55 46.62 59.71↑ 45 41.16 54.34↑

Dhaleswar 55 54.63 66.48↑ 45 44.77 68.03↑

Lalbahadur

Chowmuhani 55 60.52 75.11↑ 45 53.19 65.44↑

Abhoynagar 55 58.28 66.07↑ 45 55.55 64.52↑

Circuit House 55 57.37 56.86↓ 45 49.49 53.48↑

A.G.Quarter complex 55 58.12 53.99↓ 45 47.59 58.03↑

Capital Complex 55 46.93 44.56↓ 45 40.91 51.16↑

M.B.Tilla 55 61.87 60.99↓ 45 47.67 61.86↑

A.D.Nagar police 55 55.73 59.05↑ 45 44.59 53.15↑

Gol chakar 55 66.03 62.57↓ 45 50.44 54.76↑




Gandhighat quarters 55 58.28 64.29↑ 45 48.39 63.10↑

Commercial

Ashram Chowmuhani 65 55.94 70.50↑ 55 47.87 60.48↑

Chandrapur 65 47.79 58.19↑ 55 41.19 53.27↑

Math Chowmuhani 65 59.73 72.27↑ 55 50.00 62.67↑

Ramthakur Sangha 65 71.15 62.81↓ 55 55.74 58.02↑

Ganaraj chowmuhani 65 59.68 65.24↑ 55 49.89 62.10↑

Astabal 65 59.71 66.76↑ 55 48.43 57.92↑

Gorkhabasti 65 45.66 47.27↑ 55 41.45 63.44↑

Lichu Bagan 65 59.08 67.09↑ 55 50.31 51.37↑

Mouchak club 65 64.46 66.06↑ 55 53.32 60.79↑

Battala 65 72.21 79.74↑ 55 61.85 62.14↑

Fire service 65 62.55 65.98↑ 55 65.94 62.76↓

Durga Chowmuhani 65 67.26 62.60↓ 55 52.98 64.82↑

Shankar chowmuhani 65 60.70 63.77↑ 55 52.08 65.67↑

T.R.T.C 65 63.88 63.53↓ 55 49.63 54.19↑

Netaji Chowmuhani 65 60.81 63.72↑ 55 50.45 57.64↑

Post Office

Chowmuhani 65 62.74 62.86↑ 55 50.18 62.18↑

R.M.S Chowmuhani 65 60.86 71.55↑ 55 49.22 67.02↑

Kaman Chowmuhani 65 68.15 65.08↓ 55 51.86 63.35↑


TABLE-15.0: COMPARATIVE STUDY OF NOISE LEVELS OF UDAIPUR FOR LAXMI PUJA DAY AND STANDARD

AT DAY TIME & NIGHT TIME DURING 2017 & 2018.



Silent

Udaipur Sub-Div.

hospital 50 60.81 56.40↓ 40 44.38 43.40↓

Matabari 50 62.01 55.97↓ 40 49.11 43.50↓

Residential Bridge Chowmuhani 55 65.88 55.56↓ 45 54.89 45.02↓

West bank of Amar Sagar

55 60.59 56.52↓ 45 53.14 44.16↓

Commercial Bramha Bari 65 68.05 63.66↓ 55 58.30 46.41↓

TABLE-16.0: COMPARATIVE STUDY OF NOISE LEVELS OF AMBASSA FOR LAXMI PUJA DAY AND STANDARD

AT DAY TIME & NIGHT TIME DURING 2017 & 2018.



Silent District Hospital 50 49.10 49.44↑ 40 39.61 38.24↓

Ambassa PHC 50 57.67 63.00↑ 40 52.55 53.30↑

Residential

Jawaharnagar Office complex

55 57.48 57.57↑ 45 50.16 43.65↓

Santipara 55 - 61.83 45 - 48.14

Commercial

Ambasa Market Autostand

65 63.20 60.27↓ 55 56.48 55.28↓

Kulai Bazar 65 60.38 59.24↓ 55 54.91 51.78↓

Dalubari Market 65 - 61.99 55 - 54.00

Ambassa Railway Station

65 - 55.04 55 - 46.23


TABLE-17.0: COMPARATIVE STUDY OF NOISE LEVELS OF KUMARGHAT FOR LAXMI PUJA DAY AND

STANDARD AT DAY TIME & NIGHT TIME DURING 2017 & 2018.

Zone Locations Noise Level at Day Time Noise Level at Night Time


Silent Near Hospital Area 50 49.40 54.81↑ 40 50.05 40.51↓

Residential Pabiacherra 55 61.30 54.58↓ 45 47.46 40.73↓

Commercial

Near Kumarghat police station

65 55.86 62.56↑ 55 62.79 41.95↓

Near Railway Station 65 53.58 60.65↑ 55 49.60 40.91↓

Near co-operative

bank 65 63.16 68.23↑ 55 58.71 43.96↓

Near kumarghat motor stand

65 58.98 59.00↑ 55 51.44 50.76↓

DSTE Office 65 - 55.54 55 - 41.36


Fig-1 : Graphical Representation of Noise Level (Day Time) at Different Locations of Agartala City During Laxmi Puja-

2017 & 2018


Fig-2 : Graphical Representation of Noise Level (Night Time) at Different Locations of Agartala City During Laxmi

Puja- 2017 & 2018


Fig-3 : Graphical Representation of Noise Level (Day Time) at Different

Locations of Udaipur City During Laxmi Puja- 2017 & 2018

Fig-4 : Graphical Representation of Noise Level (Night Time) at Different

Locations of Udaipur City During Laxmi Puja- 2017 & 2018



Locations of Ambassa City during Laxmi Puja- 2017 & 2018


Locations of Ambassa City During Laxmi Puja- 2017 & 2018



Locations of Kumarghat City During Laxmi Puja- 2017 & 2018


Locations of Kumarghat City During Laxmi Puja- 2017 & 2018


B. Air Quality Monitoring: To assess the air quality during Laxmi Puja Festival the air quality monitoring has

been conducted on 24.10.2018 in various locations covering Agartala, Udaipur,

Ambassa and Kumarghat.

The findings from Air Quality Monitoring carried out by the Tripura State Pollution

Control Board during Laxmi Puja Festival - 2018 are shown in the Table 18. The

graphical representation of the air quality on Laxmi Puja Day at Agartala, Udaipur,

Ambassa and Kumarghat are at Figures 9.

TABLE-18.0: AMBIENT AIR QUALITY DATA MEASURED ON LAXMI PUJA

DAY (24.10.2018)

Sl.

No.

Monitoring

Locations

AVERAGE (Time Weighted) STANDARD (24 Hrs.)

SOx NOx PM10 PM2.5 SOx NOx PM10 PM2.5

1 Kunjaban at TSPCB Office Complex

6.28 14.58 78.93 43.05 80 80 100 60

2 Bipani bitan, Bordowali, Agartala

11.45 20.89 118.86 61.21 80 80 100 60

3 Dhajanagar,

Udaipur 5.43 9.96 96.86 50.71 80 80 100 60

4

Jaharnagar office

complex, Ambassa, Dhalai

4.25 8.25 55.75 26.31 80 80 100 60

5 Kumarghat DSTE Office

3.63 8.8 52.77 31.53 80 80 100 60


Fig 9: Graphical Representation of Air Quality Parameters at During Laxmi

Puja- 2018

8.0 OBSERVATIONS:

A. Noise Level Monitoring :

The Ambient noise level monitoring was carried out at 20 locations in and around

East Agartala city, 16 locations in and around West Agartala city, 5 locations in and around Udaipur, 8 locations in and around Ambassa and 7 locations in and around Kumarghat town on 24.10.2018. The noise level data for Agartala, Udaipur,

Dharmanagr and Udaipur are presented in Tables 6-9. The graphical representations are presented in Figures 1-8.

TABLE-19.0: MAXIMUM AND MINIMUM NOISE LEVELS ON LAXMI PUJA

DAY

Agartala (36 locations)

Maximum noise level during Day time

Battala (79.74 dB)

Minimum noise level during Day time

Gorkhabasti (47.27 dB)

Maximum noise level during Night time

Dhaleswar (68.03 dB)

Minimum noise level during G.B. Hospital Chowmuhani


Night time (47.35 dB)

Udaipur (5 locations)


Bramaha Bari (63.66 dB)


Bridge Chowmuhani (55.56 dB)


Bramaha Bari ( 46.41 dB)

Minimum noise level during Night time

Udaipur Sub-Div. hospital (43.40 dB)

Ambassa (8 locations)


Ambassa PHC (63.00 dB)


District Hospital (49.44 dB)


Ambassa market Auto stand (55.28 dB)


District Hospital (38.24 dB)

Kumarghat (7 locations)


Near co-operative bank (68.23 dB)


Near Pabiacherra High School (54.58 dB)


Near Kumarghat Motor stand (50.76 dB)


Near Hospital Area (40.51 dB)

(Number within the brackets indicates number of location sites)

From the comparison noise data at Table-14-17, it was observed that the noise

level in and around Agartala City was highest (79.74 dB) during Day time at

Battala and found lowest at Gorkhabasti (47.27 dB) during Day time and the noise

level in and around Agartala City was highest at Dhaleswar (68.03 dB) during Night

time and found lowest at G.B. Hospital Chowmuhani (47.35 dB) during Night time.

The noise level in and around Udaipur City was highest (63.66 dB) during Day time

at Bramaha Bari and found lowest at Bridge Chowmuhani (55.56 dB) during Day

time and the noise level was highest at Bramaha Bari (46.41 dB) and found lowest

at Udaipur Sub-Div. hospital (43.40 dB) during Night time.

The noise level in and around Ambassa City was highest (63.00 dB) during Day

time at Ambassa PHC and found lowest at District Hospital (49.44 dB) during Day

time and the noise level was highest (55.28 dB) during Night time at Ambassa

market Auto stand and found lowest at District Hospital (38.24 dB) during Night

time.

The noise level in and around Kumarghat City was highest (68.23 dB) during Day

time Near Co-operative Bank and found lowest at Near Pabiacherra High School

(54.58 dB) during Day time and the noise level was highest (50.76 dB) during


Night time Near Kumarghat Motor stand and found lowest at Near Hospital Area

(40.51 dB) during Night time.

But in many places, the noise level was found to be insignificantly higher because

of vehicular noise, Sound system, Drum beating and noise of microphones etc. and

other influences.

It has been observed that the trend of using fire crackers has changed and people

are using eco-friendly crackers which produce low sound.

From the comparative noise data of 2017 and 2018 at Table 14-17, it has been

observed that during 2018 at Agartala, the noise level increases for 25 locations &

decreases for 11 locations at Day Time, and the noise level increases for 35

locations & decreases for 01 location at Night Time than last year.

At Udaipur, the noise level decreases in all the 5 locations at Day Times and Night

Time than last year.

At Ambassa, the noise level increases in 2 locations and decreases in 3 locations at

Day time. During Night time decreases in 4 locations and increases in 1 location.

Noise data is also recorded from 3 new locations in this year.

At Kumarghat, the noise level increases in 5 location & decreases in 1 location at

Day Time, and the noise level decreases in 6 locations at Night Time than last year.

Noise data for 1 new location is recorded this year.

B. Air Quality Monitoring :

It is observed from the result Tables of 18, that the average values of Sulphur

Oxide, Nitrogen Oxide, Particulate Matter (PM-10) and Particulate Matter (PM-2.5)

measured on Laxmi Puja Day (24.10.2018) were within the prescribed standard

limits except PM-10 in one location (Bipani bitan, Bordowali) at Agartala.

9.0 AWARENESS CAMPAIGN & SPECIFIC MEASURES : The Tripura State Pollution Control Board (TSPCB) has given a wide publicity on

norms of loudspeakers and firecrackers through Print Media before and during

festive occasion. The 1000 eco club schools and NGOs were also requested to

organise awareness programme on ill-effects of firecrackers to generate awareness.

The festoons on various pollution norms were displayed by several NGOs during

festive occasion. The joint raids with General Administration and Police Department

were conducted prior to Laxmi Puja festival at major storing and selling places of

fireworks in and around Agartala city. A large quantities of banned fireworks were


seized during raids. The TSPCB has taken a major step to readdress the noise and

other pollution related problems of the people in the State through three Zonal

offices of TSPCB and the Police Department.

TSPCB also requested District administration and District Police administration to

take necessary steps to combat noise pollution due to bursting of fire crackers,

Keertans and others.

10. CONCLUSION :

During this festival it was observed that the average Noise Levels in almost all the

locations during Laxmi puja festival 2018 were higher than the standard level both

considering Night time and Day Time. This is mainly because of bursting of fire

crackers, vehicular noise, public gathering and other relative influences.

The trend of fire crackers has changed and people are using eco-friendly crackers

which produce low sound. In Udaipur Noise Pollution is decrease remarkably in all

locations where noise level is recorded.

It can be concluded that during 2018 the average noise level both at Day Time and

Night Time has slightly increased in some locations as compared to the last year at

Agartala.

In Udaipur Noise levels are recorded lower than the last year in 100% locations.

In Ambassa and Kumarghat 60% locations are found with increasing Noise level

trend than the last year and in 40% locations decreasing trend have been found.

The air quality status of Agartala, Udaipur, Ambassa and Kumarghat during Laxmi

Puja Festival 2018 were within the prescribed standard limit except PM-10 in one

location (Bipani bitan, Bordowali) at Agartala.

11.0 RECOMMENDATIONS :

To maintain the decreasing trends of noise level and further reduce air pollution the

following recommendations are made:

1. Mass Awareness programme about the adverse effect of noise pollution may

be continued involving Educational Institutions, Club coordination

committees, NGOs etc. throughout the State.

2. Meeting may be organized with the Decorators/Sound System owners to brief

the various provisions of the Noise Rules and the Directions of the Hon’ble


Supreme Court of India & Hon’ble High Court of Tripura. They may also be

requested not to fabricate the sound boxes having high sound.

3. Wide publicity of the list of banned fire crackers may be made through local

news papers and electronic media to aware the stockists/sellers of fireworks

as well as the users.

4. Strict vigilance may be done against the reckless use of pressure horns by the

vehicles and also the vehicles running without muffler in the silencer.

5. Strict vigilance may also be done against the banned fire crackers prior to the

festive occasions i.e. Durga Puja, Laxmi Puja and Kali Puja to combat noise

pollution as well as air pollution.

6. District Administration and Police Department may take appropriate actions

against the person(s) causing noise pollution.

7. Effective implementation of the Direction issued by the Government of

Tripura regarding use of sound limiters to use loudspeakers by manufacture/

Dealer/ Any Agency to combat Noise Pollution.

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