|SData are received by email at a secure EIA data receipt
website or by FAX.
|SData are due by COB Monday.
We have about 2/3 of the respondents by the due date. The remainder come in on Tuesday or
|SFollow-up and problem resolution for individual respondents
occur by email and phone. It is very
useful to have alternative methods as it provides backup when one method is
not working for either EIA or the respondent.
|SData are edited by the system each week to compare new
information to the respondent’s report history. Data anomalies are then compared to trends
in the region and the respondent’s history on the monthly survey. Each month a comparison of the monthly and
weekly data reports of the respondent units is done using a crosswalk. We provide a comparison of the weekly
survey estimates (i.e., output) and the monthly survey results for each month
on the EIA website. The average
absolute error for the 25 months is 1.2 percent of working gas stocks.
|SThe survey is mandatory and response rates have been
excellent. The volume-weighted response rate for the last 6 months has been
|SEIA allows respondents to provide estimates if they are
unable to provide a more precise measurement for a given week. If a respondent has not reported for the
week, an inventory value for that reporting unit is imputed by EIA.