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EPA's Region 6 Office

Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations

Agriculture Street Landfill Action Levels

Contaminant of Concern Instrument and Number of Stations Frequency of Monitoring Action Level and Response
Perimeter Dust Sampling (TSP) High volume Particulate Sampler. Location determined by air sampling technicians. Minimum of three samplers per day. One co-located sampler and one blank per 20 events. Initially: Daily
EPA OSC may modify after accruement of data.
150 ug/m3 workday average) – notify Response Manager to modify work activities.
500 ug/m3 (workday average) temporary relocation offered to affected residents.
Perimeter Lead Sampling High Volume Particulate Sampler. Location determined by air sampling technicians. Minimum of three samplers per day. One co-located sampler and one blank per 20 events. Initially: Daily
EPA OSC may modify after accruement of data.
1.5 ug/m3 (workday average) – notify Response Manager to modify work activities.
15 ug/m3 (workday average) - temporary relocation offered to affected residents.
Perimeter Dust Monitoring Personal Data RAM (Random Aerosol Monitor) Alarms set to activate during exceedences. 1 mg/m3 per minute/Response Manager notified, modify work activities.
Perimeter Dust Monitoring PEL Personal Data RAM (Random Aerosol Monitor) Daily: 15 minute intervals to provide STEL, instrument monitored every 30 minutes by operator . 5 mg/m3 per 15 minute TWA/Response manager notified, work activities temporarily stop, evaluate modifications to work plan
Perimeter VOC Sampling SUMMA Passivated Canister Initially: Weekly monitoring. After data accruement, EPA discretion. Chemical Dependent – response Manager evaluates chemical specific release in consultation with EPA , LDEQ and ATSDR.

 


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