Source: https://www.federalregister.gov/documents/2007/10/03/E7-19515/office-of-research-and-development-ambient-air-monitoring-reference-and-equivalent-methods
Timestamp: 2018-08-14 11:51:32
Document Index: 95807715

Matched Legal Cases: ['art 53', 'art 58', 'art 1', 'art 58', 'art 53', 'art 58']

72 FR 56339
56339-56340 (2 pages)
FRL-8476-8
E7-19515
https://www.federalregister.gov/d/E7-19515 https://www.federalregister.gov/d/E7-19515
The EPA hereby announces the designation of a new reference method Start Printed Page 56340for measuring concentrations of CO in the ambient air. This designation is made under the provisions of 40 CFR part 53, as amended on December 18, 2006 (71 FR 61271).
RFCA-0907-167, “DKK-TOA Corporation Model GFC-311E Ambient CO Analyzer,” operated with full-scale fixed measurement ranges of 0-5, 0-10, 0-20 and 0-50 ppm at any environmental temperature in the range of 20 °C to 30 °C.
An application for a reference method determination for the candidate method was received by the EPA on May 16, 2007. The sampler is commercially available from the applicant, DKK-TOA Corporation, 29-10, 1-Chome, Takadanobaba, Shinjuku-ku, Tokyo 169-8648, Japan (www.toadkk.co.jp).
As a designated reference method, this method is acceptable for use by states and other air monitoring agencies under the requirements of 40 CFR part 58, Ambient Air Quality Surveillance. For such purposes, the method must be used in strict accordance with the operation or instruction manual associated with the method and subject to any specifications and limitations (e.g., configuration or operational settings) specified in the applicable designation method description (see the identifications of the method above).
Use of the method should also be in general accordance with the guidance and recommendations of applicable sections of the “Quality Assurance Handbook for Air Pollution Measurement Systems, Volume I,” EPA/600/R-94/038a and “Quality Assurance Handbook for Air Pollution Measurement Systems, Volume II, Part 1,” EPA-454/R-98-004 (available at http://www.epa.gov/​ttn/​amtic/​qabook.html). Vendor modifications of a designated reference method used for purposes of part 58 are permitted only with prior approval of the EPA, as provided in part 53. Provisions concerning modification of such methods by users are specified under Section 2.8 (Modifications of Methods by Users) of Appendix C to 40 CFR part 58.
[FR Doc. E7-19515 Filed 10-2-07; 8:45 am]