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SAN FRANCISCO FRENCH BREAD,STOCKTON,CA SECOR Project No.50090-011-03 <br /> B. Action Level Table for Chemical Monitoring* <br /> MONITORING <br /> FREQUENCY/ <br /> LOCATION <br /> CHEMICAL MONITORING (source, area or LEVEL FOR LEVEL FOR WORK <br /> (OR CLASS) EQUIPMENT TASK NO. breathing zone). RESPIRATOR USE STOPPAGE <br /> Volatile organics Thermo 2-5 Continuous. Sample at 25 ppm-breathing 250 ppm-breathing <br /> Environmental 580B source. If>ppm sample zone(and benzene zone or 500 ppm - <br /> Photoionization breathing zone. tube non-detect). source. <br /> Detector: 10.2 ev <br /> lamp set for maximal <br /> response to benzene <br /> BTEX (benzene) Drager 0.5/a benzene 2-5 IF PID > 5 ppm in Any tube 2 ppm -breathinCT zone. <br /> tube. breathing zone. discoloration. <br /> *Record peak readings every 3Q minutes, or more frequently as necessary. <br /> •Set alarm on instrument at 25 pm <br /> *Calibrate equipment every d <br /> *Leak check colorimetric tube pump daily. <br /> *Complete Attachment 5(Air Monitoring Equipment Calibration/Check Log)and Attachment 6 (Air Monitoring Log). <br /> HASHMSTOCKTONUNCOLNIHS -2- <br />