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EPA Protocol Calibration Teledyne API - T100 UV Fluorescence SO2 Analyzer
212
Calibrations should be carried out at the field monitoring site. The Analyzer should be in
operation for at least several hours (preferably overnight) before calibration so that it is
fully warmed up and its operation has stabilized. During the calibration, the T100 should
be in the CAL mode, and therefore sample the test atmosphere through all components
used during normal ambient sampling and through as much of the ambient air inlet
system as is practicable. If the instrument will be used in more than one range (i.e.
DUAL OR AUTO ranges), it should be calibrated separately on each applicable range.
Calibration documentation should be maintained with each analyzer and also in a central
backup file.
Table 10-1: Activity Matrix for Calibration Equipment & Supplies
EQUIPMENT &
SUPPLIES
ACCEPTANCE LIMITS
FREQUENCY AND METHOD
OF MEASUREMENT
ACTION IF
REQUIREMENTS ARE NOT
MET
Recorder
Compatible with output
signal of analyzer; min.
chart width of 150 mm (6 in)
is recommended
Check upon receipt Return equipment to supplier
Sample line and
manifold
Constructed of PTFE or
glass
Check upon receipt Return equipment to supplier
Calibration equipment
Meets guidelines of
reference 1 and Section
2.3.2 (Q.A. Handbook)
Refer to Section 2.3.9 (Q.A.
Handbook)
Return equipment/ supplies
to supplier or take corrective
action
Working standard SO
2
cylinder gas or SO
2
permeation tube
Traceable to NIST-SRM
meets limits in traceability
protocol for accuracy and
stability (refer to Section
2.0.7, Q.A. Handbook)
Analyzed against NIST-SRM;
refer to protocol in Section
2.0.7, Q.A. Handbook
Obtain new working
standard and check for
traceability
Zero air
Clean dry ambient air, free
of contaminants that cause
detectable response with
the SO
2
analyzer.
Refer to Section 2.9.2 (Q.A.
Handbook)
Obtain air from another
source or regenerate.
Record form Develop standard forms N/A Revise forms as appropriate
Audit equipment
Must not be the same as
used for calibration
System must be checked out
against known standards
Locate problem and correct
or return to supplier
06807C DCN6650