Sampling and analysis shall be performed in accordance with the techniques prescribed in 40 C.F.R. part 136 (March 26, 2007). Where 40 C.F.R. part 136 (1992) does not contain sampling or analytical techniques for the pollutant in question, or where the E.P.A. determines that the part 136 (March 26, 2007) sampling and analytical techniques are inappropriate for the pollutant in question, sampling and analysis shall be performed by using validated analytical methods or any other applicable sampling and analytical procedures, including procedures suggested by YCUA or other parties, approved by the E.P.A.
(Prior Code, § X-3.82)