o-Dichlorobenzene - meti.go.jp

1 O- . o- dichlorobenzene : 1-139. CAS : 95-50-1.. 2002 3 .. o- . 12 PRTR . , , 2001 o- .. : . g/L ( . ) (1998 ) 95 g/L . EEC: Estimated Environmental Concentration g/L . (NOEC) 14 . < mg/L . NOEC EEC (MOE: Margin of Exposure) <10,000 . (10) o- . o- .. : . 1 g/kg/ o- .. o- . 13 LOAEL 30 mg/kg/ .. B6C3F1 F344 13 LOAEL . MOE 21,429 . o- .. ii . 1.. 2.. 3.. 4.. 5.. 6.. 7.. ( ). 8.. iii .. ( ). 9.. iv 1.. o- . 3-41. 1-139. CAS 95-50-1.. Cl Cl C6H4Cl2. 2.. 1,2- .. 99% ( ) ( , 2002).. 1,3- 1,4- ( ) ( . , 2002).. ( , 2002).. B.

2 1. 3.. (HSDB, 2001). -17 (IPCS, 1999) (Merck, 2001). (Merck, 2001) 180 183 (IPCS, 1999). 66 ( ) (IPCS, 1999 ; Merck, 2001). 648 (IPCS, 1999). vol% ( ) (IPCS, 1999). d 20. 4 (Merck, 2001). ( = 1). 160 Pa ( mmHg) (20 ) (IPCS, 1999) . 207 Pa ( mmHg) (25 ) (Merck, 2001). log Kow = ( ) ( ) (KowWin, 2002).. m/z 146 ( , ) 148 ( ) 111 ( ) 75 ( ). (NIST, 2002). Koc = 280 320 ( ) (HSDB, 2001). 145 mg/L (Merck, 2001) 156 mg/L (25 ) (HSDB, 2001). ( , 20 )1 ppm = mg/m3 1 mg/m3 = ppm 4.. 2000 12 14,176 , 2002 .. , , , .. , 2002 .. o.

3 12 PRTR . , , 2001 o- .. 2. 5.. OH 10-13 cm3/ / . (AOPWIN, 2001 OH 5 105 1 106 /cm3 20. 40 .. OH 109 L/ / OH . 5 10-16 mol/L 10 13 . (BUA,1990) .. o- 4 . , 1975 . 4 mg/L 28 93 (Hoechst, 1985 . 100 mg/kg 20 4 Verschueren, 2001 . Bouwer et al., 1984 . 37 (Masunga et al., 1996) . mg/L 37 4 50 32 66 . Howard, 1989 o- .. o- . 100 78 22 Howard, 1989 .. 8 mg/L . BCF 150 230 mg/L BCF 90 260 o- . , 1975 . 3. 6.. o- . o- . Mackay, 1991 . 6-1 . 100 km 100 km 1,000 m . 80 20cm 20 10 m 5 cm o- . 26% . 6-1 . % .. 1. 100% . 2. 100% . 3.))

4 100% .. o- .. ( 12 ) .. 100% + A + B. A B 2000 PRTR .. 2000 PRTR .. 4.. AIST-ADMER ( , 2002; , 2000) . AIST-ADMER . 5 km .. 2 2000. 5 km ( . , 2002) .. ( , 2002) . 1 km .. 3 ( ) ( ) . 3 1 km .. a.. AIST-ADMER 5 km . g/m3 . b.. g/L . g/L g/L , 2002 . 90 Howard, 1989 .. a.. 1983 1999 . , 2001 6-2 . 306 420 ng/m3 . 5. 6-2 o- .. 3. 1983 93/97 36/36 6 306 ng/m 6 ng/m3. 1999 20/30 7/10 34 420 29. 1998 12 2000 1 3 8 . 1998 . g/m3 1999 2000 g/m3 . 2 g/m3 . 6 8 g/m3 . , 2000; , 2001 . b.. o- .. 2001 11 .. 3 21 . g/L mg/dry-kg . ( , 2002).

5 C.. 1989 1998 10. ( 6-3) 1998 . 18 2 . g/L , 1999 . 6-3 o- .. 1989 6/17 g/L g/L. 1990 5/18 1991 4/18 1992 7/18 1993 5/19 1994 3/17 1995 5/18 1996 7/18 6. 1997 6/18 1998 2/18 d.. 1986 2000 . ( 6-3) , 2002a .. 6-4 o- .. 1986 3/18 ng/g-dry 1 ng/g-dry 1987 9/20 57 1. 1988 10/22 13 1. 1989 12/17 20 1. 1990 7/18 46 1. 1991 14/18 56 1. 1992 14/18 48 1. 1993 17/19 81 1. 1994 15/17 46 1. 1995 13/18 60 1. 1996 15/18 39 1. 1997 14/18 42 1. 1998 14/18 45 1. 1999 14/18 32 1. 2000 9/17 23 1. e.. f.. 1999 30. o- . g/g-wet .. g/L ( ) . 7.

6 (1998 ) 95 g/L . (EEC: Estimated Environmental Concentration) g/L .. 20 m3/ / 2 L/ / . kg/ / 11 .. g/m3 . 95 g/L . 5 km 10-5 g/L 1/10 .. g/m3 20 m3 70 g/ / . g/L 2 L g/ / . 10 g/L 1/10 260 kg/ / 10-4 g// / . -5. g/ / . 50 kg . ( g/ / ) / 50 (kg/ ) g/ kg/ . , 2002b g/kg/ . g/m3 .. 8. 7.. o- 7-1 .. (Photobacterium ) 5 EC50 mg/L (Blum and Speece, 1991) (Tetrahymena phriformis) 24 EC50. 51mg/L (Yoshioka e al., 1985) . 7-1 o- .. ( ) (mg/L). 27 8 53 Bringmann &. Microcystis aeruginosa K hn, ( ) 1976. Pseudomonas putida 25 16 15 Bringmann &.

7 ( ) K hn, 1977. Bacillus sp 21 30 EC50 169 Liu &. ( ) Thomson, 1984. 20 3 EC50 100 Yoshioka et al., 1986. Nitrosomonas 25 24 EC50 47 Blum &. ( ) Speece, 1991. Methanogen 35 48 EC50 150. ( ) . Aerobic heterotroph 25, 35 15 EC50 910. ( ) . Photobacterium 15 5 EC50 phosphoreum ( ). 25 72 > 64 Bringmann &. Entosiphon sulcatum K hn, 1978. ( ). Uronema parduczi 25 20 80 Bringmann &. ( ) K hn, 1980a Chilomonas 20 48 > 60 Bringmann &. paramaecium K hn, ( ) 1980b Tetrahymena pyriformis 30 24 EC50 51 Yoshioka, ( ) 1985. : toxic threshold concentration 3-5.

8 O- 7-2 .. 48 96 EC50 ( ) 14 mg/L (OECD . 9. ) NOEC OECD . mg/L ( . ) mg/L ( ) ( , 1996) . ( ) 96 EC50 mg/L (US EPA, . 1978) . 7-2 o- .. ( ) (mg/L).. Selenastrum ND 96 EC50 Calamari et al., capricornutum (a) 1983. ( ) , 1996. 72 EC50 72 NOEC (a, n). Scenedesmus 27 8 > 100 Bringmann &. quadriccauda K hn, 1977. ( ). Scenedesmus 24 1 K hn &. subspicatus 48 EC50 14 Pattard, 1990. ( ) . Skeletonema ND 96 EC50 US EPA, 1978. costatum ( ). ND: (a): (n): ; . : . : toxic threshold concentration 3-5 .. o- 7-3 . o- .. 24 48 LC50 EC50 ( ).

9 (OECD ) . OECD 21 . NOEC mg/L ( , 1996) mg/L (K hn et al., 1989) 14 . EC50 mg/L (Calamari et al., 1983) 1996 . o- NOEC mg/L . p- NOEC . mg/L .. 96 LC50. 10. mg/L (US EPA, 1978) (LC50) .. 7-3 o- . / pH . ( ) (mg CaCO3/L) (mg/L).. Daphnia 22 1 100 ND 48 EC50 Hermens et magna 24 al., 1984. ( 22 1 24 LC50 LeBlanc, 1980. 72. ) 48 LC50 ND ND ND 24 EC50 Calamari et al., 1983. 20 ND ND 14 EC50 . 23 2 ND ND 48 LC50 Abernethy, et al. 1986. 25 1 ND 21 NOEC K hn et al., (n) 1989. 24 EC50 , 1996. 48 EC50 (n). 21 NOEC < 21 LOEC (n). Ceriodaphnia 25 48 EC50 Rose et al.

10 , dubia 24 (m) 1998. ( .. ). Tanytarsus 20 48 LC50 Call et al., 1983. dissimilis mm (m). ( .. ).. Palaemonetes 22 1 96 LC50 Curtis et al., pugio 25 1 (n) 1979. ( .. ). Mysidopsis ND ND ND 96 LC50 US EPA, 1978. bahia ( .. ). Artemia 20 1 ND 24 LC50 15 Abernethy, et al. salina 1986. ( . ). Mercenaria 2 24 1 ND 48 LC50 > 100 Davis & Hidu, mercenaria 1969. ( 24 1 ND 10 LC50 > 100. 2 . ).. ND: (m): (n): ; . : . : . 11.. o- 7-4 .. 48 6 LC50 mg/L. (OECD ) . LC50 6 o- . mg/L (Call et al., 1983) . 21 NOEC mg/L 1996 . 4 27 LC50 mg/L (Black et al.)