Agmt12 Atkins North America, Inc.

Browse Search

The BAAQMD currently does not have adopted thresholds of significance for health risk. Therefore, Thresholds of Significance will be determined based on consultation with the City. However, Consultant suggests using the following significance standards which are currently used by the CARB as well as other Air Districts. Based on Consultant's suggested thresholds, TAC exposures in excess of the following thresholds would be considered to have a significant air quality impact on on-site and off-site receptors if: • Probability of contracting cancer exceeds 1 x 10-5 (10 in a million); • Ambient concentrations result in Hls greater than 1; • Ambient annual average of fine particulate matter (DPM or PM2.5) concentrations increase greater than 0.3 Ng/m3. The proposed project includes the construction of an on-site child care facility, which is considered a sensitive receptor, especially considering the proximity to a TAC emission source (US 101). However, based on information included in the application, the proposed child care facility would only be available to gym members and a single child is not expected to be on site for more than two hours per day. As such, the BAAQMD would not require an operational health risk assessment for this component of the proposed project. Biological Resources Consultant's biologist will conduct the following tasks: • Conduct background research to determine the biological resources that could be affected by the proposed project such as special-status species or protected trees. This research will use the California Department of Fish and Game's Natural Diversity Data Base (CNDDB), the U.S. Fish and Wildlife Service's Special-Status Species Online Database, and the California Native Plant Society's online inventory. An aerial photograph of the project site will be reviewed to identify areas of habitat types that can later be confirmed through field verification. • Evaluate the proposed projecYs effects on the identified biological resources, and recommend mitigation as warranted. Based on prior experience in the region, and the disturbed nature of the site, if any issues were to arise, Consultant anticipates that the prominent issues for the proposed project will be limited to migratory birds and roosting bats within the vacant building. Cultural Resources Consultant will conduct the following tasks: • Conduct records search of the Northwest Information Center (NWIC) to identify any previously recorded cultural resources and cultural resource investigations within 0.25 miles of the project site. • Conduct records search of the Native American Heritage Commission (NAHC) sacred lands database to determine if any Native American cultural resources are present in the vicinity of the project site. Local Native American organizations and individuals identified by NAHC will also be contracted regarding information on potential Native American resources in the project ATTY/AGR/2012.154/24 HOUR CONTRACT/ATKINS NORTH AMERICA REV:09-19-12 JS Page 13 of 26