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Laboratory Control Sample There will be a mid-level calibration check standard analyzed on the GUMS at the end of each day of analyses as a laboratory control sample (LCS). The acceptance criteria for the calibration check standards will be ± 30% difference from the expected concentration for the target compounds. Internal Standards and Surrogates An internal standard and surrogate will be co-injected with every sample. Acceptance for the internal standard recovery will be —50% to 200%. Acceptance criteria for the surrogate will be 70% to 130% recovery. Respiratory Protective Equipment Sukut will initially outfit heavy equipment operators with airline respirators equipped with a 10-minute escape cylinder. The high-pressure cylinders supplying the air to the operators will be fitted to the particular piece of equipment the operator is using [i.e., dozer and excavator]. Ground personnel will be utilizing self-contained breathing apparatus [SCBA] to approximate the work area within the exclusion zone. All other site personnel will be confined to the support zone, where no personal protective equipment will be required. This plan is expected to continue throughout the entire work operations. Weather Station A Novel 110 WS14 Met Station will be utilized at the Tracy Tire Fire Suppression Project. The unit provides sufficient data, which includes, wind direction, wind speed, barometric pressure, relative humidity, and rainfall at intervals, which can be set from 1 minute tot hour. In addition, this station has a solar panel per option. Field Portable Analyttion, ical fFPA] will assist in selecting the appropriate location for the meteorological sta perform set-up and ensure its operation. FPA will train on-site personnel in the day-to- day operations of the Met Station including data download. After the initial visit and set up, FPA will continue to verify that the met station is in good working condition. In addition, should there be problems with the station in between visits, FPA personnel will be to get the station back on-line. Documentation and Recordkeeping A final report will be developed upon the completion of the project. This will include all sampling data and subsequent laboratory analytical results obtained during remedial operations at the Tracy Tire Fire Site. Additionally, meteorological data will also be presented in the final report. SP Environmental Services©November,2000 Air Monitoring Plan-DRAFT Page 7 of 7 Sukut Construction,Inc. Tracy Tire Fire Suppression Project