12699 – Fine Particulate Monitoring

Investigator’s Annual Reports (IAR’s) for Crater Lake National Park

Fine Particulate Monitoring


Report Number: 12699

Reporting Year: 1991

Permit Number: CRLA1991AADH

Current Status: Checked in

Date Received: Jan 01, 1998

Principal Investigator: Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, University of California, Davis, CA

Additional investigator(s): Mr. Robert Eldred

Park-assigned Study Id. #: CRLA1991AADH

Permit Expiration Date: Jan 01, 1998

Permit Start Date: Jan 01, 1998

Study Starting Date: Jan 01, 2007

Study Ending Date: Jan 01, 2007

Study Status: Completed

Activity Type: Other

Subject/Discipline: Air Quality

Objectives: Establish baseline data and trends of fine particulate concentrations, determine the relationship between visibility impairment and various atmospheric particulate constituents, determine the existing sources of particles producing visibility impairment, determine the sensitivity of visibility impairment at individual sites to varying concentrations of particles.

Findings and Status: Can be obtained from Investigator.

For this study, were one or more specimens collected and removed from the park but not destroyed during analyses? No

Funding provided this reporting year by NPS: 6000

Funding provided this reporting year by other sources: 0

Full name of college or university: n/a

Annual funding provided by NPS to university or college this reporting year: 0


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