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DOE-EM-STD-5503-94
8.7. OFFSITE MONITORING
Locations of offsite monitoring stations should be determined in the field by the SSHO. In
general, at least three stations (one upwind and two downwind) should be used at pre-established
distances, in accordance with the predominant wind directions recorded at the site.
Monitoring at downwind locations should be conducted a minimum of once each workday
following the establishment of ambient background levels. Ambient background levels should
be established at the upwind offsite monitoring station. The mean value of three separate
readings should be recorded as the ambient background level.
8.8. PERIMETER MONITORING
Perimeter monitoring is intended to detect any migration of pollutants outside of the Exclusion
Zone. Both direct-reading and time-integrated monitoring/sampling should be considered.
8.9. METEOROLOGICAL MONITORING
Accurate information on temperature, precipitation, wind speed, and wind direction should be
provided by existing site resources or a portable meteorological station. Data obtained should be
used to aid in determining the daily monitoring strategy (e.g., determining sampling locations).
8.10. QUALITY ASSURANCE/QUALITY CONTROL
Procedures should be developed in accordance with DOE Order 5700.6C, Quality Assurance,
and EPA requirements for quality assurance/quality control of samples and sample results from
equipment calibration through the sample collection, sample shipment, and reporting of sample
results should be specified. The procedures should include:
Sample packaging and shipping,
Chain of custody,
Record keeping,
Quality review checks of sampling data and calculations,
Data corrections,
Field sample blanks, and
Sample duplicates.
8.11. RECORD KEEPING
An important aspect of any data generation is accurate record keeping. The air monitoring staff
should be responsible for the completeness and storage of all records. Forms used to record
pertinent data should contain the information specified in the following sections. When any
8-8


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