OCS Study 

MMS 2000-081 

User's Guide for the Breton 

Offshore Activities Data System 

(BOADS) for Air Quality 

Final Report 

200 SSISSIPPI Kilome rs 

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MISSISSIPPI CANYON y DE 5070 CAN 

U.S. Department of the Interior 

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Minerals Management Service 

Gulf of Mexico OCS Region 
OCS Study 

MMS 2000-081 

User's Guide for the Breton 

Offshore Activities Data System 

(BOADS) for Air Quality 

Final Report 

Authors 

Dana L. Coe 

Donna J . Ladner 

Jeff D. Prouty 

Lyle R. Chinkin 

Sonoma Technology, Inc. 

Petaluma, California 

Mark Yocke 

ENVIRON International, Inc. 

Novato, California 

David Scalfano 

Northlake Engineers and Surveyors, Inc . 

Mandeville, Louisiana 

Prepared under MMS Contract 

1435-01-98-CT-30856 

by 

Sonoma Technology, Inc . 

1360 Redwood Way, Suite C 

Petaluma, CA 94954-1169 

Published by 

U .S. Department of the Interior 

Minerals 1management Service New Orleans 

Gulf of Mexico OCS Region February 2001 

DISCLAIMER 

This User's Guide was prepared under contract between the Minerals Management Service 

(MMS) and Sonoma Technology, Inc. This User's Guide has been technically reviewed by the 

MMS, and it has been approved for publication. Approval does not signify that the contents 

necessarily reflect the views and policies of the MMS, nor does mention of trade names or 

commercial products constitute endorsement or recommendation for use. It is, however, exempt 

from review and compliance with the MMS editorial standards. 

REPORT AVAILABILITY 

Extra copies of this report may be obtained from the Public Information Office (Mail Stop 5034) 

at the following address : 

U.S. Department of the Interior 

Minerals Management Service 

Gulf of Mexico OCS Region 

Public Information Office (MS 5034) 

1201 Elmwood Park Boulevard 

New Orleans, Louisiana 70123-2394 

Telephone: (504) 736-2419 or 

1-800-200-GULF 

CITATION 

Suggested citation : 

Coe D.L., Ladner D .J ., Prouty J.D., Chinkin L.R., Yocke M., and Scalfano, D. 2001 User's guide for 

the Breton Offshore Activities Data System (BOADS) for air quality, final report. OCS 

Study MMS 2000-2001 . U .S . Department of the Interior, Minerals Management Service, 

Gulf of Mexico OCS Region, New Orleans, LA. 74 pp. 

iii 

TABLE OF CONTENTS 

Section Page 

LIST OF FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii 

1 . INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 

1 .1 PRINCIPLES OF USE AND SYSTEM REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 

1 .2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 

2 . USING THE BRETON OFFSHORE ACTIVITIES DATA SYSTEM (BOARS). . . . . . . . . . . . . . 2-1 

2.1 STARTING AND EXITING BOADS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 

2.2 CREATING AND EDITING DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 

2.2 .1 Creating and Editing Survey Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 

2.2 .2 Creating and Editing Structure Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 

2.2 .3 Creating and Editing Equipment Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 

2.2 .4 Copying Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 

2.2 .5 Defining Production/Throughput Relationships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 

2.2 .6 Changing Identifier Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 

2 .3 QUALITY CONTROL TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 

2 .4 SAVING AND BACKING UP WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 

2 .5 SETTING STATUS OF FACILITIES AND EQUIPMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 

2 .6 FINDING HELP AND EXTRA INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 

3 . UPON SURVEY COMPLETION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 

3 .1 HOW, WHEN, AND WHERE TO DELIVER DATA FILES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 

3 .2 FAILED QUALITY CONTROL TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 

3 .3 HOW TO RESUBMIT MONTHLY SURVEYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 

APPENDIX A: HELP TEXT FILES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 

APPENDIX B: BOARS USER'S LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1 

v 

LIST OF FIGURES 

Figure 

2-1 . BOARS Main Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-2 New Survey Dialog Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-3 . Survey Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-4. New Structure Dialog Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-5. Structure Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-6. New Equipment Dialog Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-7. Equipment Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-8. Relationships Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2-9. QC Results Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Page 

. . . . . . . . . . . . . . . . . . . 2-2 

. . . . . . . . . . . . . . . . . . . 2-3 

. . . . . . . . . . . . . . . . . . . 2-4 

. . . . . . . . . . . . . . . . . . . 2-5 

. . . . . . . . . . . . . . . . . . . 2-5 

. . . . . . . . . . . . . . . . . . . 2-7 

. . . . . . . . . . . . . . . . . . . 2-8 

. . . . . . . . . . . . . . . . . 2-10 

. . . . . . . . . . . . . . . . . 2-11 

vii 

1 . INTRODUCTION 

The Minerals Management Service (MMS) mandated that offshore operators in the Gulf 

of Mexico participate in a monthly survey program for the year 2000, during which time the 

MMS will collect information regarding offshore operations (see Notice to Lessees # 99-G14). 

The purpose of these surveys is to assist the MMS in constructing an emission inventory for the 

Gulf of Mexico near the Breton National Wilderness Area. The MMS funded the development 

of the Breton Offshore Activities Data System (BOARS) software in order to assist offshore 

operators in complying with the MMS mandate. BOARS assists users in recording information 

regarding emissions-related offshore activities and generates computer data files that can be 

delivered to the MMS. 

1 .1 PRINCIPLES OF USE AND SYSTEM REQUIREMENTS 

BOARS works on IBM-compatible personal computers (PCs) that are equipped with the 

Microsoft Windows 95TM or NTTM operating systems. (At a minimum, a 486DX2 Windows 95 

platform with 16 Mbyte RAM is needed.) The user should possess a modest familiarity with the 

Windows operating environment and should understand a few of its common features, such as 

point-and-click, copy-and-paste, file management, menu-driven selection, and text boxes. 

1 .2 INSTALLATION 

The BOARS distribution pack includes this User's Guide and a floppy disk or compact 

disk (CD) with the program installation files. The installation files are necessary to complete the 

installation of BOARS. 

Complete the following steps to install BOARS: 

l . Insert the Installation CD into the CD-ROM (assumed here to be the d:\ drive) or insert 

the Installation Disk into the a:\ floppy disk drive. 

2 . Click 2~ from the Windows Taskbar, then select ~' Run 

3 . Type d :\Setup (CD ROM) or type a :\Setup (floppy) and click OK . 

Type the name of a program, folder, or document and 

--~ Windows will open it foryou. 

0_pen : a \setupl 

OK Cancel _Browse .. . 

1-1 
4. Follow the instructions that appear on each successive screen, and click Finish to 

complete the installation . 

5. Remove the Installation CD or Disk. 

6. The Installation CD or Disk should be stored together in a safe place. 

1-2 
2. USING THE BRETON OFFSHORE ACTIVITIES DATA SYSTEM (BOADS) 

The BOARS software assists users in completing monthly surveys covering air 

emissions-related activities that are associated with offshore facilities . BOARS queries the user 

regarding emissions-related operating data, saves the data on the user's PC, and guides the user 

to create copies of the data on floppy disks for backup or delivery to the MMS. 

Each month, the user should run BOARS in order to enter new operating data specifically 

for that month . For example, if production or throughput volumes change from month to 

month, this information should be re-entered every month. Parameters that remain 

constant may be copied from the previous month's entries. Variables that typically 

change from month to month are labeled with blue font . 

A saved data set corresponding to one month is called a "survey" or a "monthly survey". 

Upon creating a survey, the user should enter information that represents all offshore 

facilities belonging to his/her company and all emissions-producing equipment on those 

facilities . After all facilities have been identified, production throughput relationships 

between facilities should be defined. BOARS provides a "fill-in-the-blank" approach in 

order to generate structure, equipment, and production throughput data. 

" As the user enters data, BOARS performs a number of automatic error checks. If an 

error is suspected, the user will be reminded and may be asked to correct the error or 

provide comments in a text box . After the data are submitted, the MMS will attempt to 

reconcile missing or unusual data by reviewing the comments or contacting the BOARS 

user by telephone. BOARS performs the following types of error checks: 

a Completeness - to identify missing data entries 

D Range - to determine when data entries fall outside of typical ranges 

a Consistency - to determine whether data entries are consistent with one another 

D Month-to-month - to determine whether information that typically varies by month 

has been reviewed and edited appropriately or to flag items that change radically 

from one month to the next 

2.1 STARTING AND EXITING BOARS 

To start BOARS, click 0. Start] from the S'°" '41'°"°9- 5'ZP"' 

Windows taskbar, then select - -~ i'~e'ories 

Programs ~ I BOARS. Upon starting BOARS, ~ -' DnrumWs , ~ S;""P 

the Main Window will appear (Figure 2-1). ~~Q E;nd -' Program Files. 

e Help 

f 

Run, . 

Shut Don. 

2-1 
Edit Help 

+ Survey : 1999/01 

ii - Survey : 2000/Ol 

~- Survey: 2000!02 

- Survey : 2000103 

Survey: 2000!04 

Operator 

General Information 

Start a New 

S urvey 

GOADS Registered User 

Contact Name: John Doe 

Phone: 

Fax: -. 

Email: JDoe@abc.com 

Company Name: ABC Coop 

Address 7: 123 Main Street 

Address 2: Suite 10 

City: New Orleans 

State: LA 

Zip Code: 155111 

Enter Edit Mode 

Figure 2-1 . BOARS Main Window. 

From the Main Window, the user may perform the following tasks: 

" Edit Participant Identification information (initially entered during program installation). 

" View, create new, edit, copy-and-paste, save, or delete data for monthly surveys, 

facilities, or equipment. 

" Set the status of a structure or equipment (e .g., active, inactive, transferred ownership, 

etc.) . 

" Edit production throughput relationships between facilities for a specific survey period . 

" Export a saved survey to a floppy disk for backup or delivery to the MMS. 

Use one of the following techniques to exit the program: (1) click File I Exit Program from the 

Main Window menu, or (2) click the D symbol at the upper right . 

2-2 
2.2 CREATING AND EDITING DATA 

2.2.1 Creating and Editing Survey Data 

In order to create a new survey, select Edit I New 

Survey from the Main Window menu. 

A New Survey dialog box will appear to request the ----- ---

month and year of the survey period (Figure 2-2). Enter the 

Fss fe 

month (1-12) and 4-digit year, then click OK . An icon for the - - ----

new survey will appear in the Navigation Tree on the left side r=°~-''" 

of the Main Window. Highlight the survey icon to view the Survey Screen (Figure 2-3). The 

Survey Screen contains three tabs: General Information, Relationships, and QC Results. 

General Information shows contact information for the current survey (which may vary from 

month-to-month or may remain constant). Relationships displays inter-structure 

production throughput relationships (see Section 2 .2 .5). QC Results tabulates any quality control 

errors encountered during data entry (see Section 2.3). 

The following buttons are available on the Survey Screen: 

" ~ Enter Edit Mode ~ launches Edit Mode so that changes or new data may be entered. 

" RUfI C runs quality control checks on all data saved within the current survey. 

Three additional buttons become available only in edit mode: 

" SdVe (only available in Edit Mode) incrementally saves work and returns to Edit Mode. 

" CdnC21 (only available in Edit Mode) discard recent changes and close Edit Mode. 

" ~ Save & Leave Edit Mode ~ (only available in Edit Mode) saves changes, runs QC, and 

exits Edit Mode. (Skip QC by clicking "Save" then "Cancel".) 

~K Cancel 

Figure 2-2 . New Survey Dialog Box. 

2-3 
Edit Help 

- Survey : 1999101 

Survey :2000101 

Survey: 2000!02 

Survey: 2000103 

Survey: 2000104 

General Information Relationships QC Results 

Last Updated: 8I3/9910 :43 :15AM 

Add a New 

Structure 

Contact for Current Survey 

Contact Name : John Doe 

Phone: 

Fax: 

E mail : Doe@abc.com 

Company Name : BC Corp 

Address 1 : 123 Main Street 

Address 2 Suite 10 

City : New Orleans 

State: LA 

Zip Code : 55111 

Comments: 

Run QC 

Figure 2-3. Survey Screen . 

2.2 .2 Creating and Editing Structure Data 

In order to create new structure data, go to the Navigation 

Tree on the left side of the Main Window and select the appropriate 

survey (into which the new structure data will be placed) . Select 

Edit I New Structure from the Main Window menu. 

Enter Edit Mode 

A New Structure Dialog Box will appear to request vital ~;,r'., 

identification data for the structure (Figure 2-4). Enter the ---- ---- ---------- -----------

information and click OK . An icon for the new structure will o 

appear in the Navigation Tree on the left side of the Main Window. Highlight the new structure 

icon to view the Structure Screen (Figure 2-5). The Structure Screen contains two tabs : General 

Information and QC Results. General Information shows contact and other general information 

for the current structure. QC Results tabulates any quality control errors that may be encountered 

as data are completed for the current structure and its associated equipment (see Section 2 .3). 

(Note that production is the quantity of petroleum that was extracted from the ground at the 

structure; throughput is the total quantity of petroleum handled at the structure, including 

petroleum extracted at another location and transferred to the structure.) 

2-4 
User ID : 

Survey MonthNear: 'Area: 

MMS Complex ID (7 chars): F1 - Block: 

MMS Structure ID (2 chars) : F- Name: 

Figure 2-4 . New Structure Dialog Box. 

e Operator : 6754 

Survey: 1999/01 

F~ Survey: 1999/02 

IE Survey: 2000/01 

tk Survey: 2000!02 

- Survey: 2000!03 

Survey: 2000104 

- Structure 

Cancel I 

General Information 

MMS Struct . ID : CZ 

MMS Cmpix. ID : ABCD123 Lease Number. Structure Contact Info. 

Area: AreaName Longitude (dec . degrees Name: 

Block: Block Latitude (dec . degrees] Phone: 

Structure Name: C2 Distance To Shore (mi): 19 Emait 

Location of Inkal Crude Ptocessina 

Add New Facility Type: r 

Equipment 

Area, Block, Structure Name: 

Production Total Throughout Total Fuel Usage 

Crude Oil (bbl) : Natural Gas (Mscf) : 

Natural Gas (MMscfj: Gasoline (gal) : 

Nat'I Gas H2S Conc (ppmv) : I I Diesel (gal) : ~~ 

Comments: 

Status: Active 

Effect. Date: 

Run QC 

Figure 2-5 . Structure Screen . 

Enter Edit Mode 

cz 

2-5 
The following buttons are available on the Structure Screen : 

Enter Edit Mode ~ launches Edit Mode so that changes or new data may be entered. 

" Run C runs quality control checks on all data saved for the current structure and its 

associated equipment. 

Three additional buttons become available only in edit mode : 

" Sdve (only available in Edit Mode) incrementally saves work and returns to Edit Mode. 

" C8nC21 (only available in Edit Mode) discard recent changes and close Edit Mode. 

" ~ Save & Leave Edit Mode ~ (only available in Edit Mode) saves changes, runs QC, and 

exits Edit Mode. (Skip QC by clicking "Save" then "Cancel".) 

2.2 .3 Creating and Editing Equipment Data 

BOARS queries for information regarding the following sources of emissions: 

Amine gas sweetening unit 

" Boiler/heater/burner 

" Flare 

" Fugitive 

" Gasoline/diesel engine 

" Glycol dehydrator 

Drilling rig 

" Loading operation 

" Natural gas engine and turbine 

" Storage tank 

Vent 

In order to create new equipment data, go to the Navigation M Help 

Tree on the left side of the Main Window and select the appropriate New survey. . . 

structure (into which the new equipment data will be placed) . Select 

Edit I New Equipment from the Main Window menu. . . 

Copy Ctrl+C 

Delete 

2-6 
A New Equipment Dialog Box will request vital identification data for the equipment, 

such as equipment ID number and e uipment type (e.g ., flares, turbines, etc.) (Figure 2-6). 

Enter the information, then click OK . An icon for the new equipment will appear in the 

Navigation Tree on the left side of the Main Window. Highlight the equipment icon to view its 

Equipment Screen (Figure 2-7). Depending on the equipment type, the equipment screen will 

contain three to five tabs: General Information, Flash Tank, Exhaust/Ventilation System, Other 

Control Equipment, and QC Results. General Information shows operating parameters for the 

current equipment. Flash Tank displays operating parameters for flash tanks that are associated 

with petroleum storage tanks. Exhaust/Ventilation System presents variables that are related to 

equipment exhaust systems. Other Control Equipment permits users to describe installed 

pollution control devices that were not accounted for on the General Information tab. QC 

Results tabulates any quality control errors that may be encountered as data are completed for the 

equipment (see Section 2 .3). 

User ID : 

Survey Month/Year: ~' 

MMS Complex ID : 

MMS Structure ID : r 

Equipment ID (8 chars max): 

Equipment Type: Amine Unit 

OK Cancel 

Figure 2-6. New Equipment Dialog Box. 

2-7 
ne Unit 

General Information ' Ventilation System 

Processed Throughput (hAMscf) : 

Hours Operated (hfs)-. 

Amine Unit Elev . (ft above msl) : 

Control Equipment QC Results 

Unprocessed Quantity 

Natural Gas Emitted When 

Concentrations Uncontrolled 

(%' by volume) 

H2S: 

Methane: 

Ethane : 

C3 Hydrocarbons : 

C4 Hydrocarbons : 

C5 Hydrocarbons : 

C6 Hydrocarbons: 

C7 Hydrocarbons: 

C8+ Hydrocarbons: 

Comments: 

Status: Active 

Effect. Date: F_ I 

Figure 2-7. Equipment Screen . 

The following buttons are available on the Equipment Screen: 

" Enter Edit Mode ~ launches Edit Mode so that changes or new data may be entered. 

Run C runs quality control checks on data for the current equipment . 

Three additional buttons become available only in edit mode : 

" Sdve (only available in Edit Mode) incrementally saves work and returns to Edit Mode. 

CdnCel (only available in Edit Mode) discard recent changes and close Edit Mode. 

" Save & Leave Edit Mode ~ (only available in Edit Mode) saves changes, runs QC, and 

exits Edit Mode. (Skip QC by clicking "Save" then "Cancel".) 

2-8 
2.2 .4 Copying Data 

Follow these steps to copy equipment data: 

1 . In the Main Window, highlight an equipment icon within the Navigation Tree. 

2 . Select Edit I Copy from the menu. 

3 . Highlight the icon for the destination structure (into which the copied data will be 

placed). 

4. Select Edit I Paste from the menu. 

5 . If necessary, indicate the new equipment ID when prompted. 

Follow these steps to copy structure data: 

1 . In the Main Window, highlight the structure to be copied within the Navigation Tree. 

2. Select Edit I Copy from the menu. 

3 . Highlight the icon for the destination survey (into which the copied data will be 

placed). 

4. Select Edit I Paste from the menu. 

5 . If necessary, indicate the new structure ID when prompted. 

Follow these steps to, copy survey data: 

1 . In the Main Window, highlight the survey to be copied within the Navigation Tree. 

2. Select File I Copy from the menu. 

3. Indicate the month (1-12) and 4-digit year for the new survey . 

2.2 .5 Defining Production/Throughput Relationships 

The last step in completing a monthly survey is to define production throughput 

relationships between facilities . Production and initial processing operations may be collocated 

at a structure, or they may be accomplished at separate locations. The MMS will track this 

information to verify estimates of fugitive and other air emissions . 

On an existing Survey Screen, click on the Relationships tab to view a matrix of 

production and throughput data for all existing facilities (Figure 2-8). Most information in the 

matrix is completed automatically as the user creates new structures . In order to edit and 

complete the matrix, click Enter Edit Mode I to launch Edit Mode. 

2-9 
File Edit Help 

Operator : 6754 

Survey 

Survey : 1999101 

a,a,a 

Survey: 1999102 

AreaName, Block, C2 

Survey: 2000/01 

- Survey: 2000/02 

Survey: 2000/03 

Survey: 2000/04 

General Information Relationships; QC Results 

Area, Block, Oil Total Oil Extra Volume 

and Structure Production Throughput Oil Received Destination Difference 

Name (bblj (bbl) (bbl) Facility (6b1) 

r- .,P ~r=a 1.10Mir.TaaM 

Enter Edit Mode 

Figure 2-8 . Relationships Tab. 

2.2 .6 Changing Identifier Codes 

Some of the ID codes for equipment and facilities are editable and may be re-entered, 

such as the area, block, and name of a structure. However once created, the following ID 

information may not be re-entered directly : (1) the month and year of an existing survey; (2) the 

MMS-assigned ID numbers for an existing structure; and (3) the equipment type for an existing 

piece of equipment. If it is necessary to change or correct one of these parameters, one may use 

the "Copy" and "Paste" functions from the Edit menu in order to open the New Survey, New 

Structure, or New Equipment dialog boxes. Enter the updated identifier codes; then return to the 

Navigation Tree and delete the out-of-date survey, structure, or equipment. 

2.3 QUALITY CONTROL TESTS 

After the user completes and saves data, BOARS automatically runs a series of quality 

control (QC) checks before saving the data. (Skip QC by clicking "Save" then "Cancel".) If any 

entries are incomplete, atypical, or suspect, a pop-up message will appear, and a list of QC errors 

will appear on the QC Results tab (Figure 2-9). The user may choose to return and correct the 

problems, to override QC check(s) (a comment is required), or to ignore message(s) and save 

2-10 

Run QC 
changes anyway. If QC problems remain uncorrected and uncommented when the data are 

submitted, MMS staff members will attempt to reconcile missing, atypical, or suspect data by 

reviewing the comments or contacting the user by telephone. 

Edit Help 

Survey: 1999101 

+ a, a, a 

r-' Survey: 1999/02 

+ - Survey: 2000101 

h Survey: 2000/02 

Survey: 2000!03 

Survey: 2000104 

Structure _ . 

General Information QC Results 

QC Results Date of Last QC: 08103!9910:54 

Error Source Error Description Operator Comment 

Contact Name Required field left blank 

Crude Oil Processing FaciR. . . Required field left blank 

Crude Oil Production Required field left blank 

Crude Oil Througput Required field lest blank 

Distance to Shore Required field lest blank 

Latitude Required field left blank 

Lease No. Required field left blank 

Longitude Required field left blank 

Natural Gas Production Required field left blank 

Natural Gas Throughput Required field left blank 

Phone Not a valid phone number 

Produced NG H2S Concen. . . Required field left blank 

Status Effective Date Status changed - date required 

Throughput NG H2S Conc. . . Required field left blank 

Usage: Diesel Required field left blank 

Usage: Gasoline Required field left blank 

Usage: Natural Gas Required field left blank 

... ...... ...... ...... .... . . Enter Edit Mode 

Figure 2-9. QC Results Tab. 

2-11 
2.4 SAVING AND BACKING UP WORK 

It is very important to periodically store data to a secure location other than 

the hard drive (such as a sloppy disk). This practice minimizes data loss in 

the event of a computer failure or other mishap. 

After the user completes and saves data, the entries are saved to a working file on the 

hard drive' . (In order to discard changes, click Cancel instead of In Edit Help 

I Save & Leave Edit Mode ~ .) In order to store data in an alternate Export Survey. . . 

location, return to the Main Window (Figure 2-1) and select _QC Survey. . . 

File I Export Survey. When prompted, select the surveys to be 

exported. Browse to the desired directory and assign a name to the new 

Exit Program 

file . If adequate disk space is available, multiple surveys may be saved on the same disk. 

2.5 SETTING STATUS OF FACILITIES AND EQUIPMENT 

If equipment or an entire structure becomes inactive for an entire survey period, the 

change in status should be noted, but only for the affected survey period(s) . Note that when a 

piece of equipment or a structure is active for any part of a monthly survey period, its 

status should be set to Active. 

Open an affected survey in the Navigation Tree on the left side of the Main Window. 

(Double-click the survey icon, or click the symbol immediately to its left .) Select the affected 

structure or equipment, and click [ Enter Edit Mode in order to launch Edit Mode. Use the Set 

Status data entry boxes to change the status (see Fi ures 2-5 or 2-7). Indicate the new status and 

its effective date and click F Save & Leave Edit Mode ~ in order to record the change in status . 

~ The working file is located at C:\Program Files\BOADS\BOADS .mdb. The working file should be backed up 

periodically by copying to a secure location . 

2-12 
2.6 FINDING HELP AND EXTRA INFORMATION 

Each screen has an associated help text file that contains technical details about the 

required data entries, such as definitions, quality control checks, typical values, estimation 

methods, etc . Access help by pressing the F1 key. Help files are reprinted in Appendix A of 

this User's Guide. 

For technical problems or other difficulties, contact the following. 

Mr. Joe Perryman 

Mapping and Automation Unit (MS 5413) 

1201 Elmwood Park Blvd. 

New Orleans, LA 70123-2395 

Phone : (504) 736-2791 

E-Mail : joe.perryman@mms.gov 

2-13 

3. UPON SURVEY COMPLETION 

3.1 HOW, WHEN, AND WHERE TO DELIVER DATA FILES 

As each monthly survey is completed, it should be exported to a floppy disk for delivery 

to the MMS. First, insert a blank floppy diskette into the d :\ drive. Then, go to the Main 

Window (Figure 2-1), highlight the survey(s) to be saved, and select File I Export Survey. 

Indicate the d :\ drive as the file destination. Prompts will appear if additional floppy diskettes 

are needed. When the export is complete, label and place the diskette(s) in a cardboard mailing 

envelope to protect from damage in the mail. Appendix B is a log provided so that BOARS 

users may keep internal records of submittals and backups. 

The MMS anticipates receiving data files at monthly intervals from about February 2000 

to March 2001with data for January - December 2000. Floppies should be placed in cardboard 

mailing envelopes and mailed to the address below. 

Mr. Joe Perryman 

Mapping and Automation Unit (MS 5413) 

1201 Elmwood Park Blvd. 

New Orleans, LA 70123-2395 

Phone: (504) 736-2791 

E-Mail: joe.perryman@mms.gov 

3.2 FAILED QUALITY CONTROL TESTS 

When saving data to the floppy drive for delivery to the MMS, BOARS stores the results 

of all QC tests. If the user returns to BOARS in order to address QC problems, the error 

messages may be reviewed from the QC Results tab on the Survey Screen. If the user chooses to 

ignore errors and submit the data anyway, MMS staff members will attempt to reconcile the 

problems by reviewing comments or contacting the user by telephone. 

3.3 HOW TO RESUBMIT MONTHLY SURVEYS 

Comparisons between monthly surveys, which are performed as part of BOARS' 

automated QC tests, may reveal errors in previously submitted surveys. When this occurs, users 

are encouraged to make corrections and resubmit their data. In order to resubmit, simply export 

the corrected data file to a floppy disk and deliver it to the MMS as usual. Enclose a note 

indicating that the file is a resubmittal of previously delivered data and a short explanation 

summarizing the changes made. 

3-1 

APPENDIX A 

HELP TEXT FILES 

A-1 

A.1 USER INFORMATION 

A.1 .1 General Information Tab 

BOARS Registered User - Identifies the person to whom BOARS is registered, an employee of 

the company that owns structures in the outer continental shelf. This should be the primary 

contact person who is responsible for submitting monthly surveys to the MMS. The following 

contact information should be provided: 

Name 

" Phone number 

" Fax number 

" Email address (optional) 

" Company name 

" Street address 

" City 

" State 

" Zip code 

A-3 
A.2 SURVEY INFORMATION 

A.2.1 General Information Tab 

Contact for the current survey - Identifies the person who is responsible for completing the 

current month's survey. This may be the same individual as the BOARS Registered User, a 

subordinate, or a consultant. The following contact information should be provided : 

" Name 

" Phone number 

" Fax number 

Email address (optional) 

" Company name 

" Street address 

" City 

" State 

" Zip code 

A.2 .2 Relationships Tab 

The information on this screen tracks exchanges of crude oil between company-owned offshore 

structures . Its purpose is to provide a rough double-check of the estimated production and 

throughput volumes for all company-owned structures . Information on this screen will be filled 

out automatically as the BOARS user adds new structures to a monthly survey. A review of the 

Relationships Tab should be the final step in preparing a set of monthly survey data. Click "Edit 

Relationships" in order to edit or change the displayed data. 

Area, Block, Name - List of area/block/name designations for all structures included in the 

current month's survey. 

Production (barrels) - User-input production volumes for each structure in the current month's 

survey . 

Additional Oil Received (barrels) - If any listed structure receives crude oil from unidentified 

external sources, the user should report the total volume of such oil received during the current 

survey period . 

Total Throughput (barrels) - User-input throughput volumes for each structure in the current 

month's survey. 

Destination Facility - Identifies the facility that is the immediate destination of crude oil 

generated by each listed producing structure. If the destination facility is a company-owned 

A-4 
offshore structure, it is identified by an area/block/name designation. Otherwise, the facility type 

is listed (e .g ., onshore) . 

Difference (barrels) - Based on the information supplied, BOADS calculates an Estimated Total 

Throughput volume and subtracts it from the user-input value for Total Throughput. A positive 

value indicates that the user-input value of Total Throughput is larger than expected (given all 

other data) . A negative value indicates that the user-input value is smaller than expected. Due tc 

errors that are inherent with measuring production at offshore structures, agreement within a 

30 percent range passes QC checks. 

A.2 .3 QC Results Tab 

Error Source - List of input variables, structures, and/or equipment for this survey that have been 

flagged with QC error messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-5 
A.3 STRUCTURE INFORMATION 

A.3 .1 General Information Tab 

MMS Structure ID - A unique identifier code that is assigned to an offshore structure prior to its 

construction by the MMS. This identifier code is tracked in the Minerals Management Service's 

records. 

MMS Complex ID - A unique identifier code that is assigned to a group of related structures 

prior to construction by the MMS. This identifier code is tracked in the Minerals Management 

Service's records. 

Area Name - Designated name of the geographic area in which the structure is located. 

Block Number - Designated number of the geographical block in which the structure is located. 

Name - A name or identifier that denotes a structure within its Area/Block. 

Lease Number - The lease number issued by the Minerals Management Service for the 

construction and operation of an offshore structure. 

Longitude (decimal degrees) - An east-west coordinate that defines the position of an offshore 

structure. Specify to at least four decimal places . 

Latitude (decimal degrees) - An north-south coordinate that defines the position of an offshore 

structure. Specify to at least four decimal places . 

Distance to shore (miles) - The distance to the nearest U.S . shoreline . Specify to the nearest 

1/10 mile. 

Structure contact information - The name, phone number, and/or email address of an individual 

who may be contacted with questions regarding the survey data, such as the structure's 

supervising engineer. 

Destination facility - The facility type and, if needed, the area/block/name of the facility that is 

the immediate destination of crude oil that is extracted at the current structure's location. If 

crude is piped to another company-owned offshore structure for initial handling (e.g ., water 

separation), then the user should select the structure's associated area/block/name from the 

available list . It may be necessary to first create the receiving structure (using the EditlNew 

Structure menu) so that it will appear in the list . 

"This structure" - Indicates that initial processing and extraction occur at the same 

structure . 

" "Company-owned offshore" - Indicates that initial processing occurs at an offshore 

facility that is owned by the same company as the current structure and is (or will be) 

named and included in this survey response. 

A-6 
" "Another company's offshore" - Indicates that initial processing occurs at an offshore 

facility that is owned by another entity and will not be named nor included in this survey 

response . 

" "Onshore" - Indicates that initial processing occurs at an onshore facility . 

" "State waters" - Indicates that initial processing occurs at a facility located within state 

waters . 

Production - Describes the natural gas or oil products that were extracted at this structure during 

the specific survey period . 

" Crude Oil Production (barrels): The quantity of crude oil extracted at this structure. 

Natural Gas Production (million standard cubic feet) : The quantity of natural gas 

extracted at this structure, volume adjusted to standard temperature and pressure 

(60 degrees Fahrenheit, 1 atmosphere) . 

" Produced Natural Gas HZS Concentration (parts per million by volume): The average 

concentration of hydrogen sulfide in the produced natural gas for the current survey 

period . 

Throughput - The total volume of natural gas or oil products handled at the current structure 

during the survey period, including production volumes and volumes transferred via pipeline 

from another location. 

" Crude Oil Throughput (barrels) : The total quantity of crude oil handled at the current 

structure. 

" Natural Gas Throughput (million standard cubic feet) : The total quantity of natural gas 

handled at the current structure, volume adjusted to standard temperature and pressure 

(60 degrees Fahrenheit, 1 atmosphere) . 

" Throughput Natural Gas H2S Concentration (parts per million by volume): The average 

concentration of hydrogen sulfide in the throughput natural gas. 

Total fuel usage - The quantity of fuel consumed at this structure during the specific survey 

period . 

" Natural gas fuel usage (thousand standard cubic feet) - The quantity of natural gas 

consumed at this structure . 

" Gasoline usage (gallons) - The quantity of gasoline consumed at this structure . 

" Diesel fuel usage (gallons) - The quantity of diesel fuel consumed at this structure. 

Status - The status of the structure for the specific survey period . 

" "Active" - Indicates that the structure or any of its equipment were active at some time 

during the survey period . Even brief activity qualifies . 

" "Inactive" - Indicates that the structure and all of its equipment were unused for the entire 

month-long survey period. 

A-7 
Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters . 

A.3 .2 QC Results Tab 

Error Source - List of input variables and/or equipment for this structure that have been flagged 

with QC error messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-8 
A.4 AMINE GAS SWEETENING UNIT 

A.4 .1 General Information Tab 

Processed Throughput (million standard cubic feet) - The total volume of natural gas processed 

by this amine unit during the specific monthly survey period, volume adjusted to standard 

temperature and pressure (60 degrees Fahrenheit, 1 atmosphere). 

Hours operated - The total number of hours that this amine unit was in operation during the 

specific monthly survey period. 

Amine unit elevation (feet above mean sea level) - The elevation of the amine unit at its base 

above mean sea level. 

Unprocessed natural gas concentrations (percent by volume) - The volumetric concentrations of 

constituents present in the unprocessed natural gas stream, including the following: 

" Hydrogen Sulfide 

" Methane (CH4) 

" Ethane (CZH6) 

" C3 Hydrocarbons (hydrocarbons with 3 carbon atoms in their molecular structure) 

" C4 Hydrocarbons 

" CS Hydrocarbons 

" C6 Hydrocarbons 

" C7 Hydrocarbons 

" C8+ Hydrocarbons (hydrocarbons with 8 or more carbon atoms in their molecular 

structure) 

Quantity emitted when uncontrolled (percent) - The mass percent emitted to the atmosphere of 

each constituent in the unprocessed natural gas stream, without accounting for any installed 

control equipment. Specify to the nearest 1/100 percent, if possible . 

Status - The status of the amine unit for the specific survey period . 

" "Active" - Indicates that the equipment was active at some time during the survey period . 

Even brief activity qualifies. 

"Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

A-9 
Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.4.2 Ventilation System Tab 

Vented into low-pressure vent/flare manifold system? (yes/no) - Indicates whether the emissions 

from this equipment are gathered into a low-pressure manifold system to be vented or flared at 

some distance from the equipment. 

Low-pressure vent/flare ID - Indicates the destination vent or flare identifier code (if emissions 

are directed through a low-pressure vent/flare manifold system) . It may be necessary to first 

create a vent or flare before it will appear in the list (using the EditlNew Equipment menu). 

Gases vented or flared? (vented flared) - Indicate whether emissions are vented or flared locally 

through a process vent flare (if emissions are not directed through a low-pressure vent/flare 

manifold system) . 

Outlet height (feet) - The height at the outlet of a process vent/flare above the amine unit 

(measured from the base of the amine unit to the top of the outlet) . 

Outlet inner diameter (inches) - The effective diameter of a process vent/flare . 

Exit velocity (feet/second) - The exit velocity of emissions through the outlet of a process 

vent flare. 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

outlet of a process vent. 

Outlet orientation (degrees) - The deviation of the outlet from vertically upward. 0 indicates an 

upward pointing outlet ; 180 indicates a downward pointing outlet . 

Flare feed rate (standard cubic feet per hour) - The volumetric feed rate to a process flare . 

Combustion temperature (degrees Fahrenheit) - The combustion temperature of a process flare. 

Combustion efficiency (percent) - The combustion efficiency of a process flare, or the 

completeness of hydrocarbon conversion to carbon dioxide (as COZ) . 

Installed control equipment - Indicates which common types of control devices are installed for 

this equipment . 

Condenser temperature (degrees Fahrenheit) - The operating temperature of a condenser 

installed as a control device . 

Condenser pressure (absolute pounds per square inch) - The operating pressure of a condenser 

installed as a control device . 

A-10 
Sulfur recovery efficiency (percent) - The efficiency for a sulfur recovery unit that is installed as 

a control device (as a percent of total sulfur). 

A.4 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Ventilation System Tab . 

Description - If present, a description of other control devices is required (other than those listed 

on the Ventilation System Tab) . 

SO, efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Ventilation System Tab). 

NOX efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Ventilation System 

Tab). 

PM,o efficiency (percent) - The total combined reductions in PM,o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Ventilation System Tab). 

A.4 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments .) 

A-11 
A.5 BOILER/HEATER/BURNER 

A.5 .1 General Information Tab 

Equipment elevation (feet above mean sea level) - The elevation of a boiler/heater/burner, 

measured from mean sea level to its base. 

Hours operated - The total number of hours that this boiler/heater/burner was in operation during 

the specific monthly survey period . 

Fuel type - The type of fuel burned by the equipment. 

Fuel HZS content (parts per million by volume) - The concentration of hydrogen sulfide in 

gaseous fuel types. 

Fuel sulfur content (percent by mass) - The sulfur content in liquid fuel types. 

Fuel heating value (British thermal units/standard cubic feet) - The energy content of gaseous 

fuel types. 

Fuel heating value (British thermal units per pound) - The energy content of liquid fuel types. 

Max rated heat input (million British thermal units per hour) - The manufacturer's maximum 

rated heat input rate. 

Average heat input (million British thermal units per hour) - The average heat input rate during 

operation this survey period . 

Max rated fuel usage (standard cubic feet per hour) - The maximum rate of gaseous fuel usage, 

volume adjusted to standard temperature and pressure (60 degrees Fahrenheit, 1 atmosphere) . 

Average fuel usage (standard cubic feet per hour) - The average rate of gaseous fuel usage 

during operation this survey period, volume adjusted to standard temperature and pressure 

(60 degrees Fahrenheit, 1 atmosphere). 

Max rated fuel usage (pounds per hour) - The maximum rate of liquid fuel usage . 

Average fuel usage (pounds per hour) - The average rate of liquid fuel usage during operation 

this survey period . 

Total fuel used (thousand standard cubic feet) - Total gaseous fuel used during this survey 

period, volume adjusted to standard temperature and pressure (60 degrees Fahrenheit, 

1 atmosphere). 

Total fuel used (pounds) - Total liquid fuel used during this survey period . 

A-12 
Status - The status of the boiler/heater/burner for the specific survey period . 

" "Active" - Indicates that the equipment was active at some time during the survey period . 

Even brief activity qualifies. 

" "Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.5 .2 Exhaust System Tab 

Outlet height (feet) - The height of the exhaust outlet above the boiler/heater/burner (measured 

from the base of the boiler/heater/burner to the top of the outlet). 

Outlet inner diameter (inches) - The inner diameter of the exhaust outlet. 

Exit velocity (feet/second) - The exit velocity of emissions through the exhaust outlet . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

exhaust outlet . 

Outlet orientation (degrees) - The deviation of the exhaust outlet from vertically upward . 

0 indicates an upward pointing outlet ; 180 indicates a downward pointing outlet . 

Emission controls - Indicates which common types of control devices are installed for this 

equipment . 

A.5 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Exhaust System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Exhaust System Tab). 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Exhaust System Tab) . 

NOX efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab). 

A-13 
CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab). 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Exhaust System 

Tab). 

PMIO efficiency (percent) - The total combined reductions in PMjo emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Exhaust System Tab) . 

A.5.4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages . 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-14 
A.6 DIESEL OR GASOLINE ENGINE 

A.6.1 General Information Tab 

Engine elevation (feet above mean sea level) - The elevation of an engine, measured from mean 

sea level to its base. 

Hours operated - The total number of hours that this engine was in operation during the specific 

monthly survey period . 

Fuel type - The type of fuel burned by the equipment. 

Fuel sulfur content (percent by mass) - The sulfur content in liquid fuel types . 

Fuel heating value (British thermal units per pound) - The energy content of liquid fuel types. 

Max rated horsepower (horsepower) - The manufacturer's maximum rated horsepower output . 

Operating horsepower (horsepower) - The operating horsepower during operation this survey 

period . 

Max rated fuel usage (British thermal units per horsepower-hour) - The manufacturer's 

maximum rate of fuel usage. 

Average fuel usage (British thermal units per horsepower-hour) - The average rate of fuel usage 

during operation this survey period . 

Total fuel used (gallons) - Total liquid fuel used during this survey period . 

Status - The status of the engine for the specific survey period . 

" "Active" - Indicates that the equipment was active at some time during the survey period . 

Even brief activity qualifies. 

" "Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters . 

A.6 .2 Exhaust System Tab 

Outlet height (feet) - The height of the exhaust outlet above the engine (measured from the base 

of the engine to the top of the outlet) . 

A-15 
Outlet inner diameter (inches) - The inner diameter of the exhaust outlet . 

Exit velocity (feet/second) - The exit velocity of emissions through the exhaust outlet. 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

exhaust outlet . 

Outlet orientation (degrees) - The deviation of the exhaust outlet from vertically upward. 

0 indicates an upward pointing outlet ; 180 indicates a downward pointing outlet . 

A.6 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Exhaust System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Exhaust System Tab). 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Exhaust System Tab) . 

NOX efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab). 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab). 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Exhaust System 

Tab) . 

PMjo efficiency (percent) - The total combined reductions in PM,o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Exhaust System Tab) . 

A.6 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments .) 

A-16 
A.7 FLARE 

A.7 .1 General Information Tab 

Number of upset flare occurrences - The number of incidents of continuous flaring due to plant 

upset conditions . An incident is a period of continuous flare operation, which may range from 

minutes to days . 

Hours operated, excluding upsets - The total number of hours that the flare was operated during 

the survey period, excluding periods of upset flaring. 

Volume flared (thousand standard cubic feet), excluding upsets - The total volume of gas flared 

during the survey period, excluding periods of upset flaring, volume adjusted to standard 

temperature and pressure (60 degrees Fahrenheit, 1 atmosphere). 

Flare gas HzS Concentration (parts per million by volume) - The concentration of hydrogen 

sulfide present in the flare feed gas. 

Is there a continuous pilot? (yes/no) - Indicates whether the flare stack is equipped with a 

continuos pilot light . 

Pilot fuel feed rate (thousand standard cubic feet per day) - The feed rate of natural gas to a 

continuos pilot light. 

Flare combustion efficiency (percent) - The flare combustion efficiency, or the completeness of 

hydrocarbon conversion to carbon dioxide (as COz). 

Smoking condition - A qualitative assessment of the level of smoke emitted from the flare 

" None (Soot emissions are approximately 0 pounds per million British thermal units of 

flare gas consumed.) 

" Light (Soot emissions are approximately 40 pounds per million British thermal units of 

flare gas consumed.) 

" Medium - (Soot emissions are approximately 177 pounds per million British thermal 

units of flare gas consumed.) 

" Heavy - (Soot emissions are approximately 274 pounds per million British thermal units 

of flare gas consumed.) 

Stack outlet elevation (feet above mean sea level) - The elevation of the flare stack outlet above 

mean sea level. 

Stack inner diameter (inches) - The effective diameter of the flare stack at its outlet. 

Average exit velocity (feet per second), excluding upsets - The average exit velocity of flare 

feed gas at the flare stack outlet during the survey period, excluding periods of upset conditions . 

A-17 
Average combustion temperature (degrees Fahrenheit), excluding upsets - The average flare 

combustion temperature during the survey period, excluding periods of upset flaring. 

Stack orientation (degrees) - The deviation of the stack outlet from vertically upward. 

0 indicates an upward pointing outlet ; 180 indicates a downward pointing outlet . 

Status - The status of the flare for the specific survey period . 

" "Active" - Indicates that the flare was active at some time during the survey period . Even 

brief activity qualifies. 

"Inactive" - Indicates that the flare was unused for the entire month-long survey period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters . 

A.7.2 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether controls are installed. 

Description - If present, a description of other control devices is required . 

SO,, efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices. 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices . 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices . 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices. 

PMIO efficiency (percent) - The total combined reductions in PM,o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices . 

A.7 .3 Upsets Tab 

Time stamp - Lists all flare upset occurrences by the date and time of the beginning of the upset. 

(To add a flare occurrence, click "Add Occurrence. To delete or edit, select an occurrence in the 

list and click "Delete Occurrence" or "Edit Occurrence".) 

Hours - The duration of each flare upset occurrence . 

A-18 
Average flare feed (thousand standard cubic feet per hour) - The average flare feed rate observed 

during the upset. 

HZS concentration (parts per million by volume) - The average concentration of hydrogen 

sulfide in the flare feed gas. 

Combustion temperature (degrees Fahrenheit) - The average combustion temperature observed 

during the flare upset. 

Comments - A space for general user comments regarding each flare upset, with a maximum 

length of 255 characters . 

A.7.4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments .) 

A-19 
A.8 FUGITIVES 

A.8 .1 General Information Tab 

Stream type - Indicates the type of process stream handled by the set of components to be 

inventoried. (Components for different process streams at the same structure should be 

inventoried separately.) 

" Light oil (API gravity >_ 20°API) 

" Heavy oil (API gravity<20°API) 

" Oil/water mixture 

" Oil/water/gas mixture 

" Natural gas 

" Natural gas liquids 

Facility Size - Indicates a rough estimate of the total count of all components at this facility that 

handle the selected stream type. 

Average VOC weight percent of fugitives - The average VOC content of fugitive emissions for 

the inventoried components and the selected stream type. 

Average equipment elevation (feet above mean sea level) - At approximate average elevation of 

the inventoried components . 

Equipment inventory (number of components) - An inventory of each type of component that 

handles the selected process stream at this structure. 

Status - The status of fugitive losses for the specific survey period . 

"Active" - Indicates that the fugitive losses may have occurred at some time during the 

survey period . Even brief activity qualifies . 

" "Inactive" - Indicates that no activity occurred that might have resulted in fugitive losses 

for the entire month-long survey period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters . 

A-20 
A.8 .2 Ventilation System Tab 

Vented into low-pressure vent/flare manifold system? (yes/no) - Indicates whether the emissions 

from this equipment are gathered into a low-pressure manifold system to be vented or flared at 

some distance from the equipment. 

Low-pressure vent/flare ID - Indicates the destination vent or flare identifier code (if emissions 

are directed through a low-pressure vent/flare manifold system) . It may be necessary to first 

create a vent or flare before it will appear in the list (using the EditlNew Equipment menu) . 

Gases vented or flared? (vented flared) - Indicate whether emissions are vented or flared locally 

through a process vent/flare (if emissions are not directed through a low-pressure vent/flare 

manifold system) . 

Outlet height (feet) - The height at the outlet of a process vent/flare above the fugitives source 

(measured from the fugitives source to the top of the outlet). 

Outlet inner diameter (inches) - The inner diameter of a process vent/flare . 

Exit velocity (feet/second) - The exit velocity of emissions through the outlet of a process 

vent/flare. 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

outlet of a process vent. 

Outlet orientation (degrees) - The deviation of the outlet from vertically upward. 0 indicates an 

upward pointing outlet ; 180 indicates a downward pointing outlet . 

Flare feed rate (standard cubic feet per hour) - The volumetric feed rate to a process flare . 

Combustion temperature (degrees Fahrenheit) - The combustion temperature of a process flare. 

Combustion efficiency (percent) - The combustion efficiency of a process flare, or the 

completeness of hydrocarbon conversion to carbon dioxide (as COZ). 

A.8 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Ventilation System Tab . 

Description - If present, a description of other control devices is required (other than those listed 

on the Ventilation System Tab) . 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Ventilation System Tab). 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

A-21 
CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Ventilation System 

Tab). 

PM 1 o efficiency (percent) - The total combined reductions in PM 10 emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Ventilation System Tab) . 

A.8 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages . An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-22 
A.9 GLYCOL DEHYDRATOR UNIT 

A.9 .1 General Information Tab 

Note that the fire tube is considered to be a boiler/heater/burner . Information about the fire tube 

should be entered on the data entry screen for boiler/heater/burner. Access the 

boiler/heater/burner data entry screen by selecting EditlNew Equipment from the BOARS main 

menu. Select "Boiler, Heater, or Burner" as the new equipment type. 

Also note that recovered vapors, which are combusted elsewhere at the facility, should be 

accounted for by the equipment type where they are combusted . Vapors that are vented or flared 

locally or that are collected into the facility manifold system may be accounted for on the 

Ventilation System Tab. 

Processed throughput (million standard cubic feet) - The total volume of natural gas processed 

by this glycol unit during the specific monthly survey period, volume adjusted to standard 

temperature and pressure (60 degrees Fahrenheit, 1 atmosphere). 

Hours operated - The total number of hours that this glycol unit was in operation during the 

specific monthly survey period. 

Glycol unit elevation (feet above mean sea level) - The elevation of the glycol unit, measured 

from mean sea level to its base. 

Glycol type (TEG/EG) - Indicates the type of glycol used in this unit, triethylene glycol (TEG) 

or ethylene glycol (EG). 

Glycol circulation rate (gallons per minute) - The rate of glycol circulation through the glycol 

unit. 

Glycol pump type (electric/gas) - The type of pump that drives glycol circulation . 

Lean glycol HZO content (weight percent) - The water content of the lean, or recharged, glycol . 

Wet gas HZO content (pounds per million standard cubic feet) - The water content of the natural 

gas prior to glycol dehydration. 

Dry gas HZO content (pounds per million standard cubic feet) - The water content of the natural 

gas following glycol dehydration. 

Wet gas temperature (degrees Fahrenheit) - The temperature of the natural gas prior to glycol 

dehydration. 

Wet gas pressure (pounds per square inch gauge) - The pressure of the natural gas prior to glycol 

dehydration. 

A-23 
Cold separator temperature (degrees Fahrenheit) - The temperature of the combined gas and 

glycol downstream of any refrigeration . If no refrigeration is present, then this is the temperature 

downstream from the separator. 

Cold separator pressure (pounds per square inch gauge) - The pressure of the combined gas and 

glycol downstream of any refrigeration . If no refrigeration is present, then this is the pressure 

downstream from the separator. 

Unprocessed natural gas concentrations (percent by volume) - The volumetric concentrations of 

constituents present in the unprocessed natural gas stream, including the following: 

Hydrogen Sulfide 

" Methane (CH4) 

" Ethane (CzH6) 

" C3 Hydrocarbons (hydrocarbons with 3 carbon atoms in their molecular structure) 

" C4 Hydrocarbons 

" CS Hydrocarbons 

" C6 Hydrocarbons 

" C7 Hydrocarbons 

" C8+ Hydrocarbons (hydrocarbons with 8 or more carbon atoms in their molecular 

structure) 

Equipped with a flash tank? (yes/no) - Indicates whether the system is equipped with a flash tank 

(or separator) that vents to the atmosphere. Respond 'no' if the flash tank does not vent to the 

atmosphere . 

Flash tank temperature (degrees Fahrenheit) - The temperature of the flash tank. 

Flash tank pressure (pounds per square inch gauge) - The pressure of the flash tank. 

Uses stripping gas? - Indicates what type of stripping gas (if any) is used in the regenerator to 

improve water removal from the rich glycol . 

" None 

" Dry gas 

" Flash gas - Exhaust from the flash tank 

" Nitrogen - From a nitrogen supply 

Stripping gas flow rate (standard cubic feet per minute) - The flow rate of stripping gas to the 

regenerator, volume adjusted to standard temperature and pressure (60 degrees Fahrenheit, 

1 atmosphere). 

A-24 
Status - The status of the glycol dehydrator for the specific survey period . 

" "Active" - Indicates that the equipment was active at some time during the survey period. 

Even brief activity qualifies. 

" "Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period. 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.9.2 Ventilation System Tab 

Vented into low-pressure vent/flare manifold system? (yes/no) - Indicates whether the emissions 

from this equipment are gathered into a low-pressure manifold system to be vented or flared at 

some distance from the equipment. 

Low-pressure vent/flare ID - Indicates the destination vent or flare identifier code (if emissions 

are directed through a low-pressure vent flare manifold system). It may be necessary to first 

create a vent or flare before it will appear in the list (using the EditlNew Equipment menu). 

Gases vented or flared? (vented flared) - Indicate whether emissions are vented or flared locally 

through a process vent/flare (if emissions are not directed through a low-pressure vent/flare 

manifold system). 

Outlet height (feet) - The height at the outlet of a process vent/flare above the glycol dehydrator 

(measured from the base of the glycol dehydrator to the top of the outlet) . 

Outlet inner diameter (inches) - The inner diameter of a process vent/flare . 

Exit velocity (feet/second) - The exit velocity of emissions through the outlet of a process 

vent/flare . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

outlet of a process vent. 

Outlet orientation (degrees) - The deviation of the outlet from vertically upward. 0 indicates an 

upward pointing outlet ; 180 indicates a downward pointing outlet . 

Flare feed rate (standard cubic feet per hour) - The volumetric feed rate to a process flare. 

Combustion temperature (degrees Fahrenheit) - The combustion temperature of a process flare. 

A-25 
Combustion efficiency (percent) - The combustion efficiency of a process flare, or the 

completeness of hydrocarbon conversion to carbon dioxide (as C02)- 

Installed control equipment - Indicates which common types of control devices are installed for 

this equipment. 

Condenser temperature (degrees Fahrenheit) - The operating temperature of a condenser 

installed as a control device . 

Condenser pressure (absolute pounds per square inch) - The operating temperature of a 

condenser installed as a control device . 

A.9 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Ventilation System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Ventilation System Tab). 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Ventilation System Tab) . 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Ventilation System 

Tab). 

PMIO efficiency (percent) - The total combined reductions in PM1o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Ventilation System Tab) . 

A.9 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned . 

A-26 
Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages . An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-27 
A.10 DRILLING RIG 

A.10.1 General Information Tab 

Hours operated - The number of hours that a drilling rig was present and working at this 

structure . 

Total diesel fuel usage (gallons) - The total diesel fuel used by the drilling rig during the survey 

period . 

Total gasoline fuel usage (gallons) - The total gasoline fuel used by the drilling rig during the 

survey period . 

Total natural gas fuel usage (thousand standard cubic feet) - The total natural gas used by the 

drilling rig during the survey period, volume adjusted to standard temperature and pressure 

(60 degrees Fahrenheit, 1 atmosphere) . 

Status - The status of the drilling rig for the specific survey period . 

" "Active" - Indicates that the drilling rig was present at some time during the survey 

period. Even brief activity qualifies. 

" "Inactive" - Indicates that the drilling rig was absent for the entire month-long survey 

period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.10.2 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether controls are installed. 

Description - If present, a description of other control devices is required . 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices. 

NOx efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices. 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices. 

A-28 
VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices. 

PMjo efficiency (percent) - The total combined reductions in PM1o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices. 

A.10.3 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-29 
A.11 LOADING OPERATION 

A.11 .1 General Information Tab 

Volume loaded (barrels) - The quantity of liquid hydrocarbon loaded into ships or barges at this 

structure. 

Average elevation (feet above mean sea level) - The approximate elevation of loading 

operations, measured from mean sea level to the point of dispensing . 

Storage tank paint color - The exterior paint color of the dispensing storage tank. 

Storage tank paint condition - The exterior paint condition of the dispensing storage tank. 

Bulk liquid temperature (degrees Fahrenheit) - The bulk temperature of the liquid contained 

within the dispensing storage tank. 

Product Reid vapor pressure (absolute pounds per square inch) - The Reid vapor pressure of the 

liquid contained within the dispensing storage tank. 

Average percent by weight of VOCs in tank vapor (percent) - The VOC content of vapors in the 

storage tank headspace, measured as weight percent. 

Average molecular weight of VOCs in tank vapor (pounds per pound-mol) - The average 

molecular weight of VOCs present in the storage tank headspace . 

Status - The status of the loading operations for the specific survey period . 

" "Active" - Indicates that loading operations occurred at some time during the survey 

period . Even brief activity qualifies . 

" "Inactive" - Indicates that no loading operations occurred for the entire month-long 

survey period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.11 .2 Ventilation System Tab 

Vented into low-pressure vent/flare manifold system? (yes/no) - Indicates whether the emissions 

from this equipment are gathered into a low-pressure manifold system to be vented or flared at 

some distance from the equipment . 

A-30 
Low-pressure vent/flare ID - Indicates the destination vent or flare identifier code (if emissions 

are directed through a low-pressure vent/flare manifold system) . It may be necessary to first 

create a vent or flare before it will appear in the list (using the EditlNew Equipment menu). 

Gases vented or flared? (vented/flared) - Indicate whether emissions are vented or flared locally 

through a process vent/flare (if emissions are not directed through a low-pressure vent/flare 

manifold system) . 

Outlet height (feet) - The height at the outlet of a process vent/flare above the loading operation 

(measured from the point of dispensing to the top of the outlet). 

Outlet inner diameter (inches) - The inner diameter of a process vent/flare . 

Exit velocity (feet/second) - The exit velocity of emissions through the outlet of a process 

vent/flare . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

outlet of a process vent. 

Outlet orientation (degrees) - The deviation of the outlet from vertically upward. 0 indicates an 

upward pointing outlet; 180 indicates a downward pointing outlet. 

Flare feed rate (standard cubic feet per hour) - The volumetric feed rate to a process flare. 

Combustion temperature (degrees Fahrenheit) - The combustion temperature of a process flare. 

Combustion efficiency (percent) - The combustion efficiency of a process flare, or the 

completeness of hydrocarbon conversion to carbon dioxide (as COZ) . 

Installed control equipment - Indicates which common types of control devices are installed for 

this equipment . 

A.11 .3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Ventilation System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Ventilation System Tab). 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Ventilation System Tab). 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab). 

A-31 
VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Ventilation System 

Tab). 

PM,o efficiency (percent) - The total combined reductions in PM,o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Ventilation System Tab) . 

A.11 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-32 
A.12 NATURAL GAS ENGINE 

A.12 .1 General Information Tab 

Engine elevation (feet above mean sea level) - The elevation of an engine, measured from mean 

sea level to its base . 

Hours operated - The total number of hours that this engine was in operation during the specific 

monthly survey period . 

Manufacturer - The company name of the engine manufacturer. 

Model No . - The manufacturer's model number of the engine . 

Engine stroke - Indicates whether the engine is a 2-stroke design or a 4-stroke design . 

Engine burn - Indicates the fuel burn conditions (lean-burn, rich-burn, or clean-burn). 

Fuel HzS content (parts per million by volume) - The concentration of hydrogen sulfide in 

gaseous fuel types. 

Fuel heating value (British thermal units per standard cubic feet) - The energy content of 

gaseous fuel types. 

Max rated horsepower (horsepower) - The manufacturer's maximum rated horsepower output . 

Operating horsepower (horsepower) - The operating horsepower during operation this survey 

period . 

Max rated fuel usage (British thermal units per horsepower-hour) - The manufacturer's 

maximum rate of fuel usage. 

Average fuel usage (British thermal units per horsepower-hour) - The average rate of fuel usage 

during operation this survey period . 

Total fuel used (thousand standard cubic feet) - Total gaseous fuel used during this survey 

period, volume adjusted to standard temperature and pressure (60 degrees Fahrenheit, 

1 atmosphere). 

Status - The status of the engine for the specific survey period . 

"Active" - Indicates that the equipment was active at some time during the survey period . 

Even brief activity qualifies . 

" "Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period . 

A-33 
Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.12.2 Exhaust System Tab 

Outlet height (feet) - The height of the exhaust outlet above the engine (measured from the base 

of the engine to the top of the outlet) . 

Outlet inner diameter (inches) - The inner diameter of the exhaust outlet . 

Exit velocity (feet/second) - The exit velocity of emissions through the exhaust outlet . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

exhaust outlet . 

Outlet orientation (degrees) - The deviation of the exhaust outlet from vertically upward. 

0 indicates an upward pointing outlet; 180 indicates a downward pointing outlet. 

A.12.3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed. 

Description - If present, a description of other control devices is required . 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Exhaust System Tab) . 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices . 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices . 

VOC efficiency (percent) - The total combined reductions in volatile organic compound 

emissions achieved by all other installed control devices . 

PM,o efficiency (percent) - The total combined reductions in PMIO emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices . 

A-34 
A.12.4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned . 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages . An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-35 
A.13 NATURAL GAS TURBINE 

A.13.1 General Information Tab 

Engine elevation (feet above mean sea level) - The elevation of a natural gas turbine, measured 

from mean sea level to its base. 

Hours operated - The total number of hours that this turbine was in operation during the specific 

monthly survey period . 

Manufacturer - The company name of the engine manufacturer . 

Model No. - The manufacturer's model number of the engine . 

Engine purpose of use - Engine purpose of use - The purpose for which this turbine is used. 

" Electricity Generation 

" Product Pressurization 

" Other 

Fuel HzS content (parts per million by volume) - The concentration of hydrogen sulfide in 

gaseous fuel types. 

Fuel heating value (British thermal units per standard cubic feet) - The energy content of 

gaseous fuel types. 

Max rated horsepower (horsepower) - The manufacturer's maximum rated horsepower output. 

Operating horsepower (horsepower) - The operating horsepower during operation this survey 

period. 

Max rated fuel usage (British thermal units per horsepower-hour) - The manufacturer's 

maximum rate of fuel usage. 

Average fuel usage (British thermal units per horsepower-hour) - The average rate of fuel usage 

during operation this survey period . 

Total fuel used (thousand standard cubic feet) - Total gaseous fuel used during this survey 

period, volume adjusted to standard temperature and pressure (60 degrees Fahrenheit, 

1 atmosphere) . 

Status - The status of the turbine for the specific survey period . 

" "Active" - Indicates that the equipment was active at some time during the survey period . 

Even brief activity qualifies. 

"Inactive" - Indicates that the equipment was unused for the entire month-long survey 

period . 

A-36 
Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.13.2 Exhaust System Tab 

Outlet height (feet) - The height of the exhaust outlet above the turbine (measured from the base 

of the turbine to the top of the outlet). 

Outlet inner diameter (inches) - The inner diameter of the exhaust outlet . 

Exit velocity (feet/second) - The exit velocity of emissions through the exhaust outlet . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

exhaust outlet . 

Outlet orientation (degrees) - The deviation of the exhaust outlet from vertically upward. 

0 indicates an upward pointing outlet; 180 indicates a downward pointing outlet. 

A.13.3 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Exhaust System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Exhaust System Tab). 

SO, efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Exhaust System Tab). 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab) . 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Exhaust System Tab) . 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Exhaust System 

Tab) . 

PM ,o efficiency (percent) - The total combined reductions in PM 10 emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Exhaust System Tab) . 

A-37 
A.13 .4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-38 
A.14 STORAGE TANK 

A.14.1 General Information Tab 

Product throughput (barrels) - The volume of liquid hydrocarbon turned over through the storage 

tank during the survey period . 

Tank elevation (feet above mean sea level) - The elevation of a storage tank, measured from 

mean sea level to its base. 

Tank orientation (horizontal/vertical) - Indicates whether the tank is elongated and narrow in the 

horizontal direction (horizontal), or otherwise (vertical) . 

Tank shape (cylindrical/rectangular) - Indicates whether the tank is cylindrical or rectangular in 

shape. 

Average liquid height (feet) - The average height of stored liquid during the survey period, 

measured from the bottom of the storage space to the top of the liquid . 

Tank shell diameter (feet) - The diameter of a cylindrical tank (either horizontal or vertical) . 

Tank shell height (feet) - The vertical height of a cylindrical tank (oriented vertically) or of a 

rectangular tank (oriented vertically or horizontally) . 

Tank shell length (feet) - The longest horizontal dimension of a horizontal tank. 

Tank shell width (feet) - The horizontal width of a rectangular tank (oriented vertically or 

horizontally). 

2"a Tank shell width (feet) - The 2"d horizontal width of a rectangular tank (oriented vertically). 

Is the roof fixed (not floating)? (yes/no) - Indicates whether the tank has a fixed or floating roof. 

Roof shape - Indicates the shape of a vertical tank's roof. 

" Cone -cylindrical tanks 

" Dome - cylindrical tanks 

Flat - cylindrical or rectangular 

" Peaked - rectangular 

Roof height above shell (feet) - The height of a fixed roof measured from the top of the tank 

shell to the highest point of the roof. 

Breather vent pressure setting (pounds per square inch gauge) - The pressure setting of the tank 

breather valve. 

A-39 
Breather vent vacuum setting (pounds per square inch gauge) - The vacuum setting of the tank 

breather valve. 

Paint color - The exterior paint color of the storage tank. 

Paint condition - The exterior paint condition of the storage tank . 

Bulk liquid temperature (degrees Fahrenheit) - The bulk temperature of the liquid contained 

within the storage tank. 

Product type (crude/condensate) - Indicates whether the storage tank contains crude oil or 

condensates. 

API gravity (degrees API) - The API gravity of the liquid contained within the storage tank. 

Product Reid vapor pressure (absolute pounds per square inch) - The Reid vapor pressure of the 

liquid contained within the storage tank. 

Average percent by weight of VOCs in tank vapor (percent) - The VOC content of vapors in the 

storage tank headspace, measured as weight percent. 

Average molecular weight of VOCs in tank vapor (pounds per pound-mol) - The average 

molecular weight of VOCs present in the storage tank headspace. 

Equipped with a flash tank? (yes/no) - Indicates whether the storage tank is equipped with an 

upstream flash tank. 

Status - The status of the storage for the specific survey period . 

" "Active" - Indicates that the tank was used at some time during the survey period . Even 

brief activity qualifies. 

" "Inactive" - Indicates that the tank was empty and unused for the entire month-long 

survey period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.14.2 Flash Tank Tab 

Percent THC in vented gas - The total hydrocarbon content of gases vented from the flash tank, 

measured as a volume percent or mol percent. 

Lowest separator pressure (pounds per square inch gauge) - The lowest operating pressure of the 

flash tank(s). 

A-40 
Separator fluid temperature (degrees Fahrenheit) - The temperature of liquids within the flash 

tank. 

Separator oil specific gravity - The specific gravity of oil in the separator. 

Separator oil/condensate composition (mol percent) - The speciated composition of separator oil. 

" Hydrogen sulfide (HzS) 

" Oxygen (OZ) 

" Carbon dioxide (COZ) 

" Nitrogen (NZ) 

Methane 

" Ethane 

" C3 Hydrocarbons - (hydrocarbons with 3 carbon atoms in their molecular structure) 

" i-C4 Hydrocarbons - (branched-chain hydrocarbons with 4 carbon atoms in their 

molecular structure) 

" n-C4 Hydrocarbons - (straight-chain hydrocarbons with 4 carbon atoms in their 

molecular structure) 

" i-CS Hydrocarbons 

n-CS Hydrocarbons 

" C6 Hydrocarbons 

" C7 Hydrocarbons 

" C8 Hydrocarbons 

" C9 Hydrocarbons 

" C 10+ Hydrocarbons 

A.14.3 Ventilation System Tab 

Vented into low-pressure vent/flare manifold system? (yes/no) - Indicates whether the emissions 

from this equipment are gathered into a low-pressure manifold system to be vented or flared at 

some distance from the equipment. 

Low-pressure vent/flare ID - Indicates the destination vent or flare identifier code (if emissions 

are directed through a low-pressure vent/flare manifold system). It may be necessary to first 

create a vent or flare before it will appear in the list (using the EditlNew Equipment menu). 

Gases vented or flared? (vented flared) - Indicate whether emissions are vented or flared locally 

through a process vent/flare (if emissions are not directed through a low-pressure vent/flare 

manifold system). 

A-41 
Outlet height (feet) - The height at the outlet of a process vent/flare above the storage tank 

(measured from the base of the tank to the top of the outlet). 

Outlet inner diameter (inches) - The inner diameter of a process vent or the effective diameter of 

a flare. 

Exit velocity (feet/second) - The exit velocity of emissions through the outlet of a process 

vent/flare . 

Exit temperature (degrees Fahrenheit) - The temperature of gaseous emissions measured at the 

outlet of a process vent. 

Outlet orientation (degrees) - The deviation of the outlet from vertically upward. 0 indicates an 

upward pointing outlet ; 180 indicates a downward pointing outlet . 

Flare feed rate (standard cubic feet per hour) - The volumetric feed rate to a process flare. 

Combustion temperature (degrees Fahrenheit) - The combustion temperature of a process flare. 

Combustion efficiency (percent) - The combustion efficiency of a process flare, or the 

completeness of hydrocarbon conversion to carbon dioxide (as COZ) . 

Installed control equipment - Indicates which common types of control devices are installed for 

this equipment. 

Condenser temperature (degrees Fahrenheit) - The operating temperature of a condenser 

installed as a control device . 

Condenser pressure (absolute pounds per square inch) - The operating pressure of a condenser 

installed as a control device . 

A.14.4 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether additional controls are installed, other than 

the common control devices listed on the Ventilation System Tab. 

Description - If present, a description of other control devices is required (other than those listed 

on the Ventilation System Tab). 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices (other than those listed on the Ventilation System Tab) . 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab) . 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices (other than those listed on the Ventilation System Tab) . 

A-42 
VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices (other than those listed on the Ventilation System 

Tab) . 

PM1o efficiency (percent) - The total combined reductions in PMIO emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices (other than those 

listed on the Ventilation System Tab). 

A.14.5 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-43 
A.15 VENT 

A.15.1 General Information Tab 

Number of upset vent occurrences - The number of incidents of continuous venting due to plant 

upset conditions . An incident is a period of continuous vent operation, which may range from 

minutes to days . 

Hours operated, excluding upsets - The total number of hours that the vent was operated during 

the survey period, excluding periods of upset venting. 

Volume vented (thousand standard cubic feet), excluding upsets - The total volume of gas 

vented during the survey period, excluding periods of upset venting, volume adjusted to standard 

temperature and pressure (60 degrees Fahrenheit, 1 atmosphere). 

Vent type - Indicates whether vent gases are released at high pressure or low pressure . 

Vent gas HZS Concentration (parts per million by volume) - The concentration of hydrogen 

sulfide present in the vented gas . 

Vent gas VOC Concentration (parts per million by volume) - The concentration of volatile 

organic compounds present in the vented gas. 

Average molecular weight of VOCs (lb/lb-mol) - The average molecular weight of VOCs 

present in the vented gas . 

Stack outlet elevation (feet above mean sea level) - The elevation of the vent stack outlet above 

mean sea level. 

Stack inner diameter (inches) - The inner diameter of the vent stack at its outlet . 

Average exit velocity (feet per second), excluding upsets - The average exit velocity of vented 

gas at the stack outlet . 

Exit temperature (degrees Fahrenheit), excluding upsets - The average temperature of vented gas 

at the stack outlet . 

Stack orientation (degrees) - The deviation of the stack outlet from vertically upward. 

0 indicates an upward pointing outlet ; 180 indicates a downward pointing outlet . 

Installed control equipment - Indicates which common types of control devices are installed on 

the vent. 

Condenser temperature (degrees Fahrenheit) - The operating temperature of a condenser 

installed as a control device . 

Condenser pressure (absolute pounds per square inch) - The operating pressure of a condenser 

installed as a control device . 

A-44 
Status - The status of the vent for the specific survey period . 

"Active" - Indicates that the vent was active at some time during the survey period. Even 

brief activity qualifies. 

"Inactive" - Indicates that the vent was unused for the entire month-long survey period . 

Effective Date - Indicates the date that the status changed from Active to Inactive or vice versa. 

The effective date is only required if the status for the current survey period differs from that of 

the last survey period, or if the current survey is the first to be completed. 

Comments - A space for general user comments regarding this structure, with a maximum length 

of 255 characters. 

A.15.2 Control Equipment Tab 

Other control device? (yes/no) - Indicates whether controls are installed . 

Description - If present, a description of other control devices is required . 

SOX efficiency (percent) - The total combined reductions in sulfur oxides emissions achieved by 

all other installed control devices . 

NO, efficiency (percent) - The total combined reductions in nitrogen oxides emissions achieved 

by all other installed control devices. 

CO efficiency (percent) - The total combined reductions in carbon monoxide emissions achieved 

by all other installed control devices. 

VOC efficiency (percent) - The total combined reductions in volatile organics emissions 

achieved by all other installed control devices. 

PM,o efficiency (percent) - The total combined reductions in PM1o emissions (particulate matter 

under 10 microns in diameter) achieved by all other installed control devices. 

A.15.3 Upsets Tab 

Time stamp - Lists all vent upset occurrences by the date and time of the beginning of the upset. 

(To add a vent occurrence, click "Add Occurrence. To delete or edit, select an occurrence in the 

list and click "Delete Occurrence" or "Edit Occurrence".) 

Hours - The duration of each vent upset occurrence. 

Average vent feed (thousand standard cubic feet per hour) - The average vent feed rate observed 

during the upset. 

HZS concentration (parts per million by volume) - The average concentration of hydrogen 

sulfide in the vent feed gas . 

A-45 
Exit temperature (degrees Fahrenheit) - The temperature of vented gases observed at the stack 

outlet during the vent upset. 

Comments - A space for general user comments regarding each vent upset, with a maximum 

length of 255 characters . 

A.15.4 QC Results Tab 

Error Source - List of input variables for this equipment that have been flagged with QC error 

messages. 

Error Description - List of the reasons that QC error messages were assigned. 

Operator Comment - List of user's explanations for unusual or unexpected values that were 

flagged with QC error messages. An operator comment indicates that the user wishes to override 

the QC error message. (Select an error message, then click "Add QC Comment" in order to add 

Operator Comments.) 

A-46 
APPENDIX B 

BOADS USER'S LOG 

B-1 

w 

Corrections Made and 

Survey Period Survey Submitted Survey Re submitted Backu Made 

month Year Date initials date initials date initials 

-

I I -I 
Notes: 

B-4 
HT op Ty~ The Department of the Interior Mission 

o`` ~p As the Nation's principal conservation agency, the Department of the Interior has responsibility for 

most of our nationally owned public lands and natural resources. This includes fostering sound use of 

our land and water resources; protecting our fish, wildlife, and biological diversity; preserving the 

_. p9 environmental and cultural values of our national parks and historical places; and providing for the 

4RCH 3 ~9 enjoyment of life through outdoor recreation . The Department assesses our energy and mineral 

resources and works to ensure that their development is in the best interests of all our people by 

encouraging stewardship and citizen participation in their care. The Department also has a major 

responsibility for American Indian reservation communities and for people who live in island territories 

under U.S . administration . 

4~a, .tor The Minerals Management Service Mission 

As a bureau of the Department of the Interior, the Minerals Management Service's (MMS) primary 

responsibilities are to manage the mineral resources located on the Nation's Outer Continental Shelf 

(OCS), collect revenue from the Federal OCS and onshore Federal and Indian lands, and distribute 

those revenues. 

AINVAG Moreover, in working to meet its responsibilities, the Offshore Minerals Management Program 

administers the OCS competitive leasing program and oversees the safe and environmentally sound 

exploration and production of our Nation's offshore natural gas, oil and other mineral resources. The 

MMS Royalty Management Program meets its responsibilities by ensuring the efficient, timely and 

accurate collection and disbursement of revenue from mineral leasing and production due to Indian 

tribes and allottees, States and the U.S . Treasury . 

The MMS strives to fulfill its responsibilities through the general guiding principles of : (1) being 

responsive to the public's concerns and interests by maintaining a dialogue with all potentially affected 

parties and (2) carrying out its programs with an emphasis on working to enhance the quality of life for 

all Americans by lending MMS assistance and expertise to economic development and environmental 

protection .