The Environmental Protection Agency has approved Sierra Instruments, Inc. and Caterpillar, Inc. to use the Model BG-3 Transient Partial Flow Sampling System (TPFSS) as an alternate procedure in lieu of the full-flow Constant Volume Systems (CVS).
Press Contact
If you are a member of the press and need information about this product, please contact M. Washington. Telephone 831-373-0200.