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Title: Collecting parking lot sealant samples

Description: USGS scientist Barbara Mahler uses a special vacuum (a model HVS3 High Volume Surface Sampler) to collect dust samples to be evaluated for contaminants.

Location: USA

Date Taken: Jul 22 2008

Photographer: , U.S. Geological Survey

Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

Source:

File Details:
Type: JPEG image - 825.12 KB
Dimensions: 2448 x 3264
Resolution: 180 dpi

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Tags: PAH biology contaminants environment parking_lot_sealant personnel pollutants