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411 & 413 E 20th St - Plan
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411 & 413 E 20th St - Plan
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Last modified
2/12/2026 5:00:10 AM
Creation date
2/12/2026 5:00:05 AM
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Template:
Plan
Permit Number
101125143
Full Address
413 E Twentieth St
Street Number
413
Street Direction
E
Street Name
Twentieth
Street Suffix
St
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<br />Limited Asbestos Survey Report <br />411 E 20th Street <br />Santa Ana, CA 92706 <br /> <br />12631 Imperial Hwy Suite A225. Santa Fe Springs, CA 90670 <br />www.terraeng.com <br />IV. Discussion of Survey Findings and Recommendations <br /> <br />ASBESTOS <br /> <br />Under federal regulations, asbestos-containing material (ACM) is defined as any material <br />containing more than 1% asbestos by weight, as established in the OSHA Asbestos Standard for <br />Construction (29 CFR 1926.1101) and EPA regulations. In California, the Division of Occupational <br />Safety and Health (Cal/OSHA) also regulates asbestos-containing construction material (ACCM), <br />which includes any manufactured construction material containing 0.1% asbestos or more by <br />weight, as defined in Title 8, Section 1529 of the California Code of Regulations. Both ACM and <br />ACCM are subject to specific handling, removal, and disposal requirements when disturbed during <br />renovation or demolition activities. <br /> <br />The visual inspection, intrusive sampling and bulk sample analysis results revealed the following <br />Asbestos-Containing Materials: <br /> <br />Homogeneous <br />Material Location Lab Sample <br />Numbers <br />Asbestos <br />Detected Friable Condition Quantity <br />Drywall with Joint <br />Compound <br />Detached ADU <br />Wall <br />260136401 <br />260136402 <br />260136403 <br />None <br />Detected N Intact 900 SF <br />Stucco with Barrier <br />Paper Ext. Lower Wall <br />260136404 <br />260136405 <br />260136406 <br />None <br />Detected N Intact 1100 SF <br />Roof Shingles with <br />Felt <br />Above Front Door <br />Patio <br />260136407 <br />260136408 <br />260136409 <br />None <br />Detected N Intact 10 SF <br />Concrete Slab Exterior Floor <br />260136410 <br />260136411 <br />260136412 <br />None <br />Detected N Intact 1000 SF <br />Rollout Roof with <br />Felt Roof <br />260136413 <br />260136414 <br />260136415 <br />None <br />Detected N Intact 500 SF <br />Parapet Wall Roof <br />260136416 <br />260136417 <br />260136418 <br />None <br />Detected N Intact 350 SF <br />Mastic Roof <br />260136419 <br />260136420 <br />260136421 <br />None <br />Detected N Intact 25 SF <br /> <br /> Recommendations for handling ACM: NONE <br /> <br />No asbestos containing materials will be impacted by the project activities at 411 E 20th Street. <br /> <br />Should materials different to those identified in this report or, other forms of suspect <br />hazardous materials be discovered during the renovation process, the contractor <br />should be instructed to cease all work activities which may initiate an exposure <br />episode and notify the appropriate management personnel. <br />
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