Abstract |
The Division of Air Quality and Emission Data of the Air Pollution Control Office of the Environmental Protection Agency has inventoried the air pollution monitoring equipment operated by state and local agencies in the 50 states, District of Columbia, and Puerto Rico. Reported by state, city and organization are the automatic sampler-analyzers, mechanized samplers, and static sample-collection devices enumerated in the survey for the period July 1, 1968, through June 30, 1969. Included are a sample survey questionnaire, a tabulation of equipment totals, and a glossary of abbreviations and terms. (Author) |