XTO - DIAF-Assessment - (Sep 2014) TM

• Document number (month/day/year)

• Laboratory name:

• Laboratory address:

• Lab Manager / Supervisor:

• XTO Division:

  Select Appalachia Fort Worth (FWD) Eastern Mid-Con (MCD) Midstream (MSO) Permian Western Western Canada (WCD)

  • Appalachia
  • Fort Worth (FWD)
  • Eastern
  • Mid-Con (MCD)
  • Midstream (MSO)
  • Permian
  • Western
  • Western Canada (WCD)

• Reason For Assessment:<br>

  Unit Internal Assessment

  Mid-Audit cycle inspection

  DIAF Compliance Assessment

  Laboratory Incident Investigation

• Audit Conducted on:

  Date

• Personnel Interviewed / Assessed:

• Prepared by:

Miscellaneous

• Is there a contract in place between XTO and the lab?

  Yes

  No

  N/A

• Does the contract contain the appropriate DIAF language outlined in Global MAP?

  Yes

  No

  N/A

• Has this laboratory been previously assessed by XTO or ExxonMobil, XTO?

  No

  Not to my knowledge

  Yes

• What was the date and the out come of the last assessment?

• What field site(s) / location(s) does this lab service?

• What type of samples are being analyzed for XTO by this laboratory (oil, gas) ?

  Select Oil Gas Water

  • Oil
  • Gas
  • Water

• On average, how many XTO samples are being analyzed per year?

  Select 1-25 25-50 50-100 100-200 200-300 300-400 400-500 >500

  • 1-25
  • 25-50
  • 50-100
  • 100-200
  • 200-300
  • 300-400
  • 400-500
  • >500

• Does this laboratory perform any environmental analysis for XTO at this location?

  Yes

  No

  N/A

• Please gather all information possible on environmental samples being performed:

• Does lab have a quality assurance manual, or (SOP's) Standard Operating Procedures for testing, equipment operation, data hadling, etc.?

  Yes

  No

  N/A

• Certain SOP's are written to follow the test method. On these, do they follow the test method?

  Yes

  No

  N/A

• Does lab personnel undergo periodic training? (Test methods, ethics)

  Yes

  No

  N/A

• Does the temperature of the laboratory remain stable?

  Yes

  No

  N/A

Product handling:

• Do the cylinders arrive in a proper safety transport case?

  Yes

  No

  N/A

• If not, report this concern to the operations supervisor

• Do they have the proper sample tags attached?

  Yes

  No

  N/A

• Does the sample tag contain the proper information, and is it properly filled out?

  Yes

  No

  N/A

• Is the laboratory responsible for pulling / gathering any samples in the field?

  Yes

  No

  N/A

• Does lab staff have an SOP for the field sampling?

  Yes

  No

  N/A

• Follow up with XTO Operations to ensure lab staff is witnessed, per 6MAP

  Media

Gas Chromatograph:

• What is the frequency for calibrating the GC?

  Select weekly monthly quarterly semi-annual as needed

  • weekly
  • monthly
  • quarterly
  • semi-annual
  • as needed

• Is the calibration gas standard representative of the gas samples being analyzed for XTO?

  Yes

  No

  N/A

• Is the calibration gas standard being heated per industry standards (GPA-2261, ASTM, API-14.1)?

  Yes

  No

  N/A

• Is the pressure on the calibration gas standard cylinder adequate?

  Yes

  No

  N/A

• Is the calibration gas standard certificate available?

  Yes

  No

  N/A

• Is the calibration gas standard shelf-life current?

  Yes

  No

  N/A

• Is the calibration gas standard traceable to NIST?

  Yes

  No

  N/A

• What is used as Carrier Gas and what purity is used?

• Are statistical Quality Control tools utilized (Repeatability, & Reproducibility tolerances per ASTM, API, GPM)?

  Yes

  No

  N/A

• Are any other forms of SQC being used?

  Yes

  No

  N/A

• Does the lab meet the 10 year data retention requirements?

  Yes

  No

  N/A

• What is the retention period? Can the Lab meet our retention requirement?

• Are the samples being heated (per test method) prior to being analyzed, per test method?

  Yes

  No

  N/A

• Does the lab have the most current and applicable test methods?<br>(GPA-2145 / 2172 / 2261)

  Yes

  No

  N/A

• Does the composition of the calibration gas standard match the integrator software?

  Yes

  No

  N/A

Equipment

• Are procedures in place for cleaning the sample cylinders?

  Yes

  No

  N/A

• Is there evidence of maintenance being performed on the GC's (logbook, filter changes, column change outs)

  Yes

  No

  N/A

• Is there any equipment that requires to be re-certified?

  Yes

  No

  N/A

• If yes, list equipment

Closure

• Is any of the following process's in place: Internal audit process, or a Round Robin / Cross Check program in place?

  Yes

  No

  N/A

• Were there any prior audit findings or concerns that were still unresolved during this audit?

  Yes

  No

  N/A

• Was a Test Method Assessment performed?

  Yes

  No

  N/A

• Which Test Method?

• Was the Test Method performed correctly?

  Yes

  No

  N/A