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A scuba diver deploys a semipermeable membrane device

By Environmental Health Program 2017 (approx.)
A scuba diver deploys a semipermeable membrane device (SPMD) passive sampler at St. John, U.S. Virgin Islands
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Detailed Description

Passive Sampling Research—Columbia, Missouri. A scuba diver deploys a semipermeable membrane device (SPMD) passive sampler at St. John, U.S. Virgin Islands. U.S. Geological Survey (USGS) scientists used SPMDs to investigate potential contaminant exposure to coral reefs.

Sources/Usage

Public Domain.