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Appendix A                                                                                           CEMS Inspection Sheet

Table A:

Calibration Gas Records

Gas

Cylinder No.

Certificate Concentration

Type of Cal Gas

(e.g., SRM, PRM, etc.,)

Cylinder Pressure

Expiration Date

Certificate

on File

Table B:

Part 75 Calibration Gases (' 72.2)

Calibration Gas Type

Abbr.

Description

NIST - standard reference material

SRM

Calibration gas obtained from the National Institute of Standards and Technology (NIST)

NIST - standard reference material-equivalent compressed gas primary reference material

PRM

Listed in a declaration of equivalence with "EPA Traceability Protocol for Assay and Certification of Gaseous Calibration Standards," September 1997, EPA-600/R-97/121[Traceability Protocol]

NIST - traceable reference material

NTRM

Tested and certified by NIST

NIST/EPA-approved certified reference materials

CRM

Approved by EPA and NIST as evidenced by a certificate or other documentation issued by a certifying standardsetting body

Gas manufacturer=s intermediate standard

GMIS

Assayed and certified by direct comparison to one of the other NIST standards listed in this table according to section 2.1.2.1 of the Traceability Protocol

EPA protocol gas

Protocol

Vendorcertified to be within 2.0 percent of the cylinder label concentration [See Traceability Protocol]

Zero air material

Zero Air

Calibration gas certified by gas vendor:  SO2, NOx and Total Hydrocarbons 0.1 ppm, CO 1 ppm, or CO2  400 ppm.  If a mixture, other components certified not to interfere with target compound.

Research gas mixture

RGM

NIST analyzed and certified as "NIST traceable.''  

8.  DAHS

Part 75 Field Audit Manual – July 16, 2003                                                                                                        Page A-7

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