Section 096-170-6 - Test MethodsA. When determining vapor leaks pursuant to Section 5(A), measurement of VOC concentrations shall be conducted in accordance with 40 C.F.R. Part 60, Appendix A, Method 21, as amended 10/17/2000 using an appropriate analyzer calibrated with methane, at a distance of one inch (2.54 cm) or less from the source.B. When determining compliance with Section 4(A)(2) of this Chapter, the probe inlet of the monitoring instrument shall be located in the line between the tank or vessel being degassed and the control device.C. Alternative test methods may be allowed upon written approval by the Department. 06-096 C.M.R. ch. 170, § 6