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Database - United Nations in Bangladesh

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138 People's Report 2002-2003 : <strong>Bangladesh</strong> Environment<br />

Table 7.2.4<br />

Sample #<br />

Total Faecal Feacal <br />

Salmonella<br />

Coliform/ Coliform/ streptococci/ Vibrio sp<br />

spp./Shigella<br />

100ml or gm 100ml or gm 100ml or gm spp.<br />

3S DMCH 1.2 x 10 5 1.1 x 10 5 _ V. cholerae non O1, non O139 Absent<br />

present<br />

3W 2.2 x 10 8 6.0 x 10 7 _ V. cholerae non O1, non O139 Absent<br />

present<br />

DMCH (med) 3.8 x 10 7 3.2 x 10 7 1.6 x 10 6 Absent Absent<br />

DMCH (Surg) 6.8 x 10 8 2.4 x 10 8 8.4 x 10 7 V. cholerae non O1, non O139 Salmonella<br />

present<br />

spp.present<br />

DMCH (Uro) 3.6 x 10 6 2.4 x 10 6 3.6 x 10 4 Absent<br />

IPGMR 3.9 x 10 9 2.9 x 10 9 2.0 x 10 6 Absent Absent<br />

Source : Akter (2002)<br />

Note<br />

: w = leachate from dustb<strong>in</strong>, s = solid waste<br />

7.3 Air and Noise Pollution<br />

Table 7.3.1 Air pollutants <strong>in</strong> Dhaka City (March 2001) Compared to WHO Recommended Standard<br />

Compound Hourly extreme µg/m 3 Times the WHO<br />

Recommended Standard<br />

NO 2 601-714 >10<br />

SO 2 300-500 >10<br />

Particles 5-400 >15<br />

Ozone 600-900 >5<br />

VOCs 783000 >50-100<br />

Benzene 783000 >7-10<br />

Toluene 200000 >10<br />

Source: Mrdiha and Lundval (2002)<br />

Table 7.3.2 Air Quality <strong>in</strong> Dhaka City (1997)<br />

Month<br />

SPM (µm 3 ) SO2 (µm 3 ) NOx (µm 3 )<br />

Farmgate Tejgaon Agargaon Farmgate Tejgaon Agargaon Farmgate Tejgaon Agargaon<br />

January 1849.36 435.6 73.24 125.12 25.3 43.8<br />

February<br />

March 1773.70 438.96 73.1 103.72 30 47.03<br />

April 887.60 314.8 65.13 71.92 27 30.07<br />

May 508.40 330.7 60.09 72.23 32.31 36.02<br />

June 665.00 387.9 51.22 64.17 25.5 29.78<br />

July 209.00 0 10.54<br />

August 56.69 0 9.55<br />

September 245.00 0 8.37<br />

Source: Bhadra and Shamm<strong>in</strong> (2001)

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