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105.10 - Respirable Materials on Filter Media

These SRMs are intended for the determination of hazardous materials potentially found in industrial environments.  SRMs 2676d, 2677a, and 3087a have been superceded by SRM 2783 Air Particulate on Filter Media.

Also, see Table 105.12 Respirable Materials

PLEASE NOTE: The tables are presented to facilitate comparisons among a family of materials to help customers select the best SRM for their needs. For specific values and uncertainties, the certificate is the only official source.


- Certified values are normal font
- Reference values are italicized
- Values in parentheses are for information only


Detail - Detail    Certificate - Certificate    Report of Investigation - Report of Investigation    MSDS - MSDS    Data Files - Data Files    Questionaire - Questionnaire


  SRM Description Unit of Issue     Elemental Composition in (ug/filter)
Detail Certificate MSDS 2783
Out of Stock
Air Particulate on Filter Media 2 +2 Blnk (47 mm dia)   Certified: 18 elements
Reference values: 9 elements
Detail Certificate MSDS 2950a
Out of Stock
Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg-500 µg)
35 filters plus 35 blanks   5 µg, 10 µg, 20 µg, 50 µg, 100 µg, 250 µg, and 500 µg
Detail Certificate MSDS 2960
Out of Stock
Respirable Cristobalite on Filter Media (Nominal Mass of Cristobalite: 5 ug - 250 ug) 30 filters plus 30 blanks   5 µg, 10 µg, 20 µg, 50 µg, 100 µg, and 250 µg
Detail Report of Investigation MSDS 8785
Now Selling
Air Particulate Matter on Filter Media 3 filters   Total Carbon,(Elemental Carbon, Organic Carbon)
Detail Report of Investigation MSDS 8786
Now Selling
Filter Blank for RM 8785 filter   average Organic Carbon