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GENERAL53961
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GENERAL53961
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Entry Properties
Last modified
8/24/2016 8:39:21 PM
Creation date
11/23/2007 9:06:34 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1984014
IBM Index Class Name
General Documents
Doc Date
8/10/2006
Doc Name
Supplemental Geology report
From
Cotter Corporation
To
DRMS
Permit Index Doc Type
General Correspondence
Media Type
D
Archive
No
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MAINTENANCE AND PRECAUTIONS <br />There are no maintenance requirements for the Pressure-Vacuum <br />Soil Water Sampler other than protecting the access tubes From <br />damage. Tube ends should be covered or plugged to prevent debris <br />from entering the tubes and later contaminating the Sampler. <br />Freezing conditions will not damage the subsurface parts of the <br />Samplers. The Samplers are normally left permanent]y in place <br />all year round. Water may freeze in the sample line near the sur- <br />face during saturated freezing conditions. Be sure all the water is <br />removed from the sample line before clamping it for the next <br />sample. <br />Rewetting The Sampler If the soil suction exceeds 2 bars, the ceramic cup may need to be <br />rewetted to obtain a sample. This is accomplished by pouring ap- <br />proximately 250 ml o£deionized water down the sample line (both <br />the pressure-vacuum and the sample lines must be open). After <br />waiting approximately one hour, pressurize the pressure-vacuum <br />line to remove any excess water. A vacuum can be applied after <br />the ceramic cup has been rewetted. If no sample is obtained after <br />following the above rewetting procedure, the soil suction is prob- <br />ably in excess of S5 cb. <br />SOILMOISTURE EQUIPMENT CORP. 15 ~° <br />P.O. Box 30025, Sonto Borbora, Colifornio 93105 USA / \ <br />Phone: (8051 964-3525 ~ Fox: (805) 683-2189 SOIlMOISTURE <br />e-mail: solesOsoilmoisture.wm • Web: htkp: //wwwsoilmoisture.com <br />
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