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Guidance Documents Vapor Intrusion New Method March 2007 Updates Log

 

Low Level Air Analysis Method Required by the NJDEP’s Site Remediation Program
Updates Log

13 April 2009:
Important Notice Concerning Revised NJDEP Low Level Method TO-15 for Air Analysis (LL TO-15)

Method NJDEP LL TO-15 [pdf 274 Kb] (and the associated deliverables requirements, NJDEP LL TO 15 Appendix [pdf 295 Kb]) has been revised.  The revisions have a revision date of March, 2009.  The revised method should promote additional opportunities for laboratories previously unable to meet all the method requirements.  Laboratories wishing to pursue certification are to follow the requirements of the revised method and appendix.  As laboratories are certified, the Department will ultimately require all Method TO-15 analyses to be conducted using the NJDEP low level air analytical method.

21 November 2007:
Notice of the "Status of the New NJDEP Low Level Method TO-15 (NJDEP-LLTO-15)" posted.

The laboratory certification process for the new NJDEP Low Level Method TO-15 air analytical method for volatile organics is currently in progress. As more laboratories are certified, the Department will require all Method TO-15 analyses to be conducted using the new NJDEP low level air analytical method. A notice will be posted on this web site when the required change to the new method will be in effect. It is recommended that interested parties periodically check this web site for additional updates on this issue.

19 June 2007:
Important Notice concerning the "NJDEP-SRWM Low Level USEPA Method TO-15 (NJDEP- LLTO-15)" posted.

The Site Remediation Program will not be changing to the new "NJDEP-SRWM Low Level USEPA Method TO-15 (NJDEP- LLTO-15)" on July 1, 2007. The change will occur during the summer of 2007. A notice will be posted on this Web site when the change to the new method will be effective. At the same time the new NJDEP Screening levels will be posted that reflect the new method requirements. Please check this Web site for any additional updates on this issue.

10 May 2007:
Revision to Appendix 1: NJDEP Regulatory Datat Report Format

Appendix 1: NJDEP Regulatory Data Report Format [pdf 532 Kb] had a revision to Section 6.0 Sample Data Summary regarding the rounding rules for the reporting of the analytical data in ppbv and what number to use in the calculculation to the micrograms per meter3 results.

Sections 6.1.1 and 6.1.2 were revised and section 6.1.3 was deleted.