Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
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• Soil color: Soil colors will be described as black, dark gray, gray, dark brown,<br />
brown, tan, grayish brown, reddish brown, brownish gray, olive brown, or olive<br />
gray utilizing a Munsell color chart.<br />
• Mottling presence <strong>and</strong> degree: Mottling is a variable shading or spotting of color,<br />
often an indicator of a fluctuating water table. If mottling is apparent, soils will<br />
be described as faintly or brightly mottled.<br />
• Soil texture: The major component (clay, silt, s<strong>and</strong>, or gravel) will be<br />
determined. S<strong>and</strong> sizes <strong>and</strong> degree of rounding will be estimated by comparison<br />
to a s<strong>and</strong> size index card which utilizes a st<strong>and</strong>ardized scale. A Unified Soil<br />
Classification will be assigned.<br />
• Penetration-resistance: Blow counts (N-value) per one foot of sample will be<br />
utilized to determine the penetration-resistance.<br />
• Soil structure: Structure will be characterized as varved or laminated, bedded,<br />
stratified, blocky, plating, massive, cemented.<br />
Other qualifiers that may be utilized include desiccation cracks, liquifaction, <strong>and</strong> coarse<br />
silt lenses.<br />
5-4<br />
K:\Depts\Dept48\LAUSD\MSA WORK\QAPP\Draft Final QAPP to DTSC\QAPP for OU 1 RAP.DOC<br />
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