Operation HiVol 3000 User manual 1.7
36
3.4 Sampling
3.4.1 Pre-Sampling
An important part of collecting and evaluating data is the quality of the results. Users
of the U.S. EPA Reference Method for PM
10
must adopt quality assurance procedures
consistent with those provided in the following documents. No U.S. EPA documents
on PM2.5 sampling exist at time of publishing.
Quality assurance Handbook for Air pollution Measurment Systems, Volume II:Part I
– Ambient Air quality Monitoring Program Quality System Development. EPA-
454/R-98-004 (August 1998). Available at:
www.epa.gov/ttn/amtic/qabook.html
Quality Assurance Guidance Document 2.11 – Monitoring PM
10
in Ambient Air
Using a High-Volume Sampler Method. (Draft) September 1997. Available at:
www.epa.gov/ttn/amtic/qabook.html
Documentation is required for legal purposes and to ensure data reliability. A sample
Field Data Record is included at the end of this manual. The following information
must be recorded:
• Reference to the local Standard / Method
• Filter serial number
• Sampling site identification number/location/address
• Sampler identification number
• Type of inlet (SSI manufacturer and model information)
• Starting time and date
• Initial sampling flow rate
• Final sampling flow rate
• Summary of conditions that may affect the results, such as
weather conditions, construction activities, dust storms, etc.
• Operators initials or signature
• Runtime reading at start and end of sampling
• Corrected sample volume
• Comments concerning voided samples
• Estimate of uncertainty in method
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