| Use: | Collection of VOCs from ambient air. |
Description:
A control device is used to maintain a constant flow of air into: (1) a canister, or (2) a filter over the desired sample period. More advanced equipment may utilize a sensor to identify when wind direction is coming from the suspected area of contamination.
Analytes:
| 1. Non-Halogenated VOCs | 3. Halogenated VOCs |
Media:
| Soil: | Ground Water: | Surface Water: | Gas/Air: |
| Not Applicable | Not Applicable | Not Applicable | MINIMUM |
| Maximum Depth: | Not Applicable. |
| Production Rate: | Sample is available after a short amount of time. |
| Investigation Derived Waste Volume: | Small volume of waste. |
| Technology Status: | Commercially available and routinely used field technology. |
| Certification/Verification: | Technology has not participated in CalEPA certification and/or CSCT verification program. |
| Relative Cost per Sample: | Not Applicable. |
Limitations:
ASTM Standards:
| D 1356 - 95a | Terminology Relating to Atmospheric Sampling and Analysis. |
| D 1357 - 95 | Practice for Planning the Sampling of the Ambient Atmosphere. |
| D 1704M - 95 | Test Method for Determining the Amount of Particulate Matter in the Atmosphere by Measurement of the Absorbance of a Filter Sample. |
| D 3686 - 95 | Practice for Sampling Atmospheres to Collect Organic Compound Vapors (Activated Charcoal Tube Absorption Method). |
| D 5466 - 93 | Test Methods for Determination of Volatile Organic Compounds in Atmospheres (Canister Sampling Methodology). |
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