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75C - PH - THE BOWERY
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75C - PH - THE BOWERY
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Last modified
8/13/2020 5:10:27 PM
Creation date
8/13/2020 4:53:25 PM
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Template:
City Clerk
Doc Type
Agenda Packet
Agency
Planning & Building
Item #
75C
Date
8/18/2020
Destruction Year
2025
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3.10.2 "Calculation of Estimated Building Concentrations" of the California Department <br />of Health "Standard Method Liar the Testing and Evaluation of Volatile Organic Chemical <br />Emissions for Indoor Sources Using Environmental Chambers", (CI)PH, 2017). <br />6.) Calculates the Indoor Exposure Cancer and Von -Cancer Health Risks. For each IAQ <br />Zonc, calculate the cancer and non -cancer health risks from the indoor formaldehyde <br />concentrations determined in Step 5 and as described in the OEHHA Air Toxics Hot Spots <br />Program Risk Assessment Guidelines; Guidance Manual for Preparation. or health Risk <br />Assessments (OEHHA, 2015). <br />7.) Mitigate Indoor Formaldehyde Exposures of exceeding the CEOA Cancer and./or Non - <br />Cancer Health RiskA In each IAQ Zone, provide mitigation for any formaldehyde exposure <br />risk as determined in Stop 6, that excccds the CEQA cancer risk of 10 per million or the <br />CEQA non -cancer Hazard Quotient of 1.0. <br />Provide the source andlor ventilation mitigation required in all IAQ Zones to reduce the <br />health risks of the chemical exposures below the CEQA cancer and non -cancer health risks. <br />Source mitigation for formaldehyde may include: <br />1.) reducing the amount materials andlor furnishings that emit formaldehyde <br />2.) substituting a difforerrt material with a lower area -specific emission rate of <br />formaldehyde <br />Ventilation mitigation for formaldehyde emitted from building materials and <br />furnishings may include: <br />I.) increasing the design minimum outdoor air ventilation Tale to the IAQ Zoiw <br />NOTE: Mitigating the formaldehyde emissions through use of less materiallfumishings, or <br />use of lower emilling materialsifum ishings, is the prelcrred mitigation option, as mitigation <br />with increased outdoor au ventilation increases initial and operating costs associated with <br />the heating/cooling systems. <br />9of19 <br />22 <br />75C-46 <br />
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