PCDD and PCDF exposures among fishing community through intake of fish and shellfish from the Straits of Malacca

BMC Public Health

Table 1 Congeners of PCDD/PCDF in fish and shellfish samples from trip 1 (T1) and trip 2 (T2) of northern region

Congeners	SP*		HS*		FT*		IM*		LTS*		LBR*		Cf*		JTB*		SG*
Congeners	T1	T2	T1	T2	T1	T2	T1	T2	T1	T2	T1	T2	T1	T2	T1	T2	T1	T2
2,3,7,8-TCDF*	ND*	0.01	ND	ND	ND	ND	0.01	ND	ND	ND	ND	ND	ND	ND	0.01	0.61	ND	ND
2,3,7,8-TCDD*	0.02	0.02	0.02	0.02	0.01	0.02	0.02	0.02	0.02	0.02	0.01	0.02	0.01	0.02	0.04	0.02	0.01	0.02
1,2,3,7,8-PeCDF*	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
2,3,4,7,8-PeCDF	0.02	0.02	0.02	0.02	0.01	0.02	0.01	0.02	0.01	0.02	0.01	0.02	ND	0.02	0.01	0.02	ND	0.02
1,2,3,7,8-PeCDD*	0.07	0.10	0.05	0.06	0.02	0.09	0.08	0.06	0.11	0.05	0.08	0.05	0.10	0.05	0.11	0.06	0.12	0.05
1,2,3,4,7,8-HxCDF*	ND	ND	0.01	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01
1,2,3,6,7,8-HxCDF	ND	ND	0.01	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01
2,3,4,6,7,8-HxCDF*	ND	ND	0.01	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01
1,2,3,7,8,9-HxCDF	ND	ND	0.01	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01
1,2,3,4,7,8-HxCDD*	0.01	ND	0.01	0.01	ND	0.01	ND	0.01	0.01	0.01	0.01	0.01	ND	0.01	ND	0.01	0.01	0.01
1,2,3,6,7,8-HxCDD	0.01	ND	0.01	0.01	ND	0.01	ND	0.01	0.01	0.01	0.01	0.01	ND	0.01	ND	0.01	ND	0.01
1,2,3,7,8,9-HxCDD	ND	0.01	0.01	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01	ND	0.01
1,2,3,4,6,7,8-HpCDF*	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
1,2,3,4,7,8,9-HpCDF	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
1,2,3,4,6,7,8-HpCDD*	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	0.01	ND	ND	ND	ND
OCDF*	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
OCDD*	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Total	0.13	0.16	0.16	0.17	0.04	0.20	0.12	0.17	0.16	0.16	0.12	0.16	0.11	0.17	0.17	0.78	0.14	0.16

*All data are expressed as means of two replicates in pg WHO-TEQ/g fresh weight. The TEFs of TCDF, TCDD, PeCDF, PeCDD, HxCDF, HxCDD, HpCDF, HpCDD, OCDF and OCDD are 0.1, 1.0, 0.03/0.3, 1.0, 0.1, 0.1, 0.01, 0.01, 0.0003 and 0.0003, respectively. SP: Silver pomfret; HS: hardtail scad; FT: fourfinger threadfin; IM: Indian mackerel; LTS: large-scale tongue sole; LBR: long-tailed butterfly ray; Cf: cuttlefish; JTB: Japanese threadfin bream; SG: sixbar grouper; TCDF: tetrachlorodibenzofuran; TCDD: tetrachlorodibenzodioxin; PeCDF: pentachlorodibenzofuran; PeCDD: pentachlorodibenzodioxin; HxCDF: hexachlorodibenzofuran; HxCDD: hexachlorodibenzodioxin; HpCDF: heptachlorodibenzofuran; HpCDD: heptachlorodibenzodioxin; OCDF: octachlorodibenzofuran; OCDD: octachlorodibenzodioxin; ND: not detected

ISSN: 1471-2458