Frequent Questions

Assuming that EPA approves the use of analyzers to certify in-line blended RFG, if an analyzer has maintenance problems during a blend such that it did not give results for 50% of the blend, can the refinery use spot samples to track the property? Is ther

Proposals for using results from on-line analyzers for purposes of certifying a batch will be evaluated on a case-by-case basis. EPA has not established the amount of up-time required in order to qualify the on-line analyzer results for use in certification. However, in considering a proposal to use on-line analyzer results for certification, EPA expects that the proposal will include a back-up system and plan as part of the QC/QA program for dealing with outliers and analyzer failures.(7/1/94)

This question and answer is posted at The original was posted in the Q&A posted on 7/1/94 which can found at" See Question ID 3857 for RFG (Taken from the first question on
Have more questions? Submit a request