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Health hazard evaluation report: HHE-80-137-1145, Shell Chemical Company, Denver, Colorado.

Authors
Pryor PD; Thoburn TW
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 80-137-1145, 1982 Jul; :1-47
NIOSHTIC No.
00179169
Abstract
In response to a request from an authorized employee representative at the Shell Chemical Company (SIC-2879), located in Denver, Colorado, an evaluation was made of possible employee exposure to dibromochloropropane (96128), chloroform (67663), trimethyl- phosphite (121459), Vapona (62737), trimethyl-phosphate (512561), acetone (67641), sodium-hydroxide (1310732), hexane (110543), methyl- isobutyl-ketone (108101), methyl-isocyanate (624839), methylthioacetoldoxime (MSAO), Nudrin (16752775), and Azodrin (6923224). Approximately 175 workers were engaged in the manufacture or formulation of pesticide products. The authors conclude that workers were not being continuously overexposed to the chemicals evaluated. Some workers involved in Vapona, Nudrin, and Azodrin drum filling may have experienced skin absorption of these materials. No medically significant cholinesterase depressions were noted. The authors recommend that engineering controls be used to reduce the exposures even further. Other recommendations include the wearing of protective garments, observance of strict personal hygiene, good work practices, cleaning of all surfaces in the lunch room at the end of each work shift, continuous refinement of the safety program at the facility, and a continuous review of maintenance procedures. A careful follow up should be carried out for any case of low cholinesterase values.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HHE-80-137-1145; Region-8; Hazard-Unconfirmed; Agricultural-chemicals; Chemical-manufacturing-industry; Chemical-industry-workers; Herbicides; Insecticides; Skin-exposure; Author Keywords: Pesticides and Agricultural Chemicals; Pesticides; Herbicides; Cholinesterase; Chloroform; Trimethyl Phosphate; Trimethyl Phosphite; Acetone; Sodium Hydroxide; Hexane; Methyl Isobutyl Ketone; Methyl Isocyanate; Methylthioacetoldoxime; Nudrin; Vapona; Azodrin
CAS No.
96-12-8; 67-66-3; 121-45-9; 62-73-7; 512-56-1; 67-64-1; 1310-73-2; 110-54-3; 108-10-1; 624-83-9; 16752-77-5; 6923-22-4
Publication Date
19820701
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1982
NTIS Accession No.
PB84-137546
NTIS Price
A04
Identifying No.
HHE-80-137-1145
NIOSH Division
DSHEFS
SIC Code
2879
Source Name
National Institute for Occupational Safety and Health
State
CO; OH
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