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1155 Sixteenth Street N.W.Washington, DC 20036

3772, 1992 DOI:

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Precautionary Statements: P210u-P280a-P370+P378a-P403+P235-P501a

(1976) showed that DDT inhibited photosynthesis in thegreen alga Selenastrum capricornutum at concentrations between 3.6 and36 µg/litre, inhibition increasing with time of exposure.

1-Chloro-4-ethylbenzene is used in paint &coating industry, rubber industry, water-treatment.

(1987) Production work 0-18 Enclosed process HSE (1992) - Aerosol products Aerosol filling 95-628 ICI (UK) (1984) Rubber products Fabrication 208-304 LEV HSE (1992) Fibre glass Cleaning and mould 187-6693 intermittent exposure, RPE may be HSE (1992) manufacture preparation worn; may not be representative of the industry Cleaning, mixing etc.

1155 Sixteenth Street N.W.Washington, DC 20036

(1987) Table 10 (Cont'd) Industry Activity Exposure range Commentsa Reference (8-h TWA) (mg/m3) Triacetate Production 180-350 ECSA (1989) fibre/film 237-3442 NCI feasibility study Zahm et al.

RPE Air Transport Association provided (USA) Various industries Painting 21-299 See IARC (1986) Chrostek & Levine (1981) Paint stripping 18-1765 US EPA (1990) Used aerosol < 0-494 Some work areas were congested Fleeger & Lee (1988) adhesives Pharmaceuticals - 7.1-3749 NCI feasibility study Zahm et al.

Invertebrates Insects Crustaceans Molluscs

(1983) Furniture Paint stripping 25-3810 Many without adequate controls HSE (1992) Paint stripping 201-1292 Variable degrees of control McCammon et al.

(1991) Washing/refinishing 53-780 Variable degrees of control McCammon et al, (1981) Spraying adhesive 219-1490 Many without adequate controls HSE (1992) General Cleaning, degreasing, 53-141 See IARC (1986) Ruhe et al.

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  • Inhalation administration Rat Other animals

    32(10), Pg.

  • Rat Inhalation exposure Oral exposure

    25, 1988.intraperitoneal-mouse LD50 1600 mg/kg"Patty's Industrial Hygiene and Toxicology," 3rd rev.

  • Mouse Inhalation exposure Oral exposure

    4735, 1982.oral-mouse LD50 1600 mg/kg"Patty's Industrial Hygiene and Toxicology," 3rd rev.

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Inhalation exposure Rat Mouse Hamster

Occupational exposure to methylene chloride Industry Activity Exposure range Commentsa Reference (8-h TWA) (mg/m3) Production Production actvities 219-374 Maintenance activity with RPE; HSE (1987) Results obtained at one plant Aircraft Paint stripping 35-81 RPE provided HSE (1992) Paint stripping 35-289 Submission to OSHA in 1987.

AHECC_and_HS_Codes (last edited 2012-03-01 04:36:07 by )

(1987) Various jobs 18-580 High exposure experienced by Boeniger (1991) sprayers Motor vehicle Paint spraying, 7.1-247 LEV and RPE HSE (1992) manufacture stripping Table 10 (Cont'd) Industry Activity Exposure range Commentsa Reference (8-h TWA) (mg/m3) Quarry Laboratory work, 71-1370 High exposures due to inadequate HSE (1992) mineral processing control Metal treatment 7.1-790 NCI feasibility study Zahm et al.

After surface application,50% of DDT was lost within 16-20 days.

(1975) exposed fathead minnows ( Pimephales promelas ) for long periods to DDT at water concentrations of 0.5 or2.0 µg/litre and also via the food, and monitored the activity ofATPases in brain and gill.

(1973) (Daphnia magna) flow 21 3 days 0.08 114 100 Johnson et al.

In some instances where the worker was leaning over the tank or using a brush to scrub the surface coating, concentrations of > 7100 mg/m3 have been recorded (McCammon et al., 1991; HSE, 1992).

(1971)Scud flow 21 3 days 0.081 20 600 Johnson et al.

Some measured ranges, e.g., 35-81 mg/m3 and 85-244 mg/m3 (HSE, 1992), indicate that engineering control techniques can bring 8-h TWA exposures below 350 mg/m3.

Oral LD50 values of 1410-3000 mg/kg were recorded.

Moffett & Yarbrough (1972) investigated the enzyme succinicdehydrogenase in insecticide-resistant and insecticide-susceptiblemosquitofish ( Gambusia affinis ) in an attempt to discover ifresistance could be related to membrane effects of DDT.

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