Skip to main content

Mixmaster

MXMS Incident Position Description

The Mix Master provides oversight and support of the Wildland Fire Chemicals (WFC) mixing and loading operations. The MXMS reports to the Airtanker Base Manager (ATBM), Single Engine Airtanker Manager (SEMG), or Dip Site Manager. The MXMS works in the Air Operations functional area.

Leadership Level 2, New Leader (Convey Intent)

  • For additional information review Level 2 description, expected behaviors and knowledge, suggested development goals, and self-study opportunities.

Prepare and Mobilize

  • Ensure individual readiness.
  • Gather critical information pertinent to the assignment.
  • Travel to and check in at assignment.
  • Review Base Operations Plan and obtain initial briefing from supervisor.

Build the Team

  • Identify personnel assigned to the mixing crew and maintain accountability. Confirm that the Base Operations Plan or relevant plan has been reviewed with assigned resources.
  • Assemble assigned personnel.
  • Establish and communicate: chain of command; reporting procedures; risk management processes.
  • Establish a common operating picture with supervisors and subordinates.
  • Participate in operational briefings as directed and brief assigned personnel.
  • Obtain and distribute relevant directions, plans, and other information.

Supervise and Direct Work Assignments

  • Establish and communicate objectives, priorities, work assignments, and performance expectations.
  • Identify, analyze, and use relevant situational information to make more informed decisions and take appropriate actions.
  • Adjust actions based on changing information and evolving situation awareness. Develop and implement contingency plans. Communicate changing conditions to assigned resources and supervisor.
  • Ensure daily operational objectives and performance standards are met.
  • Monitor performance and provide immediate and regular feedback to assigned personnel.

Perform Mix Master-Specific Duties

  • Obtain daily or more frequent briefings from supervisor.
  • Provide leadership and direction to the mixing/loading crew during mixing/loading operations.
  • Ensure WFC products are mixed per the Qualified Products List (QPL) and tested prior to being loaded into aircraft.
  • Ensure aircraft are loaded per contract specifications.
  • Work with supervisor to maintain an adequate WFC products inventory based on current and expected activity.
  • Check all equipment such as valves, hoses, pumps, and tanks for operability and ensures agency and OSHA safety measures are in place (e.g., pump shaft guards, fan belt shields, splash guards, wiring integrity, sealed switch boxes, safety signs, and placards, etc.).
  • Request personnel and equipment necessary to perform operations safely and efficiently.
  • Plan the specific layout of the mix plant.
  • Ensure cleanliness of the mix plant.
  • Comply with the Lot Acceptance and Quality Assurance (LAQA) program for all WFC products.
  • Ensure only approved WFC products are utilized and mixed according to the QPL.
  • Utilize refractometer, Marsh Funnel, and mass flow meter to ensure contract compliance.
  • Develop a recirculation schedule.
  • Report and log pounds and gallons and validate as requested.
  • Provide for the safety and welfare of personnel working around the mix plant by using the risk management process.
  • Report all hazards and incidents/accidents immediately to supervisor.
  • Maintain records of all equipment, replacement parts, catalogs, technical manuals, and Safety Data Sheets (SDS).
  • Ensure OSHA regulations for mix plant safety are in place and properly documented in conjunction with supervisor.
  • Ensure compliance with state and federal EPA regulations for storage and handling of WFC products, hazardous waste, and wastewater in conjunction with supervisor.

Communicate and Coordinate

  • Follow established processes and chain of command for collecting, producing, and distributing information.
  • Report any hazardous conditions to supervisor and ensure appropriate action is taken.
  • Participate in After Action Reviews (AAR).

Manage Risk

  • Consider your skill level and limitations and work within them.
  • Apply the Risk Management Process as stated in the NWCG Incident Response Pocket Guide (IRPG), PMS 461.
  • Report all accidents or injuries to supervisor.
  • Ensure compliance with all safety practices and procedures for yourself and those around you.

Document

Demobilize

  • Follow demobilization instructions from supervisor.
  • Ensure incident and agency demobilization procedures and work/rest standards are followed.
USWDS Paragraph Bundles

Last Modified / Reviewed:

Please Provide Feedback

NWCG values your constructive input and we thank you for taking the time to provide feedback.

Although contact information is optional, we hope that you provide a way for us to contact you in case we need clarification on your comment. If you would like to be contacted regarding your feedback, you must provide contact information. 

Would you like a response?
If you would like a response, you must provide contact information (name and email) below.
One file only.
9.28 GB limit.
Allowed types: gif, jpg, jpeg, png, bmp, eps, tif, pict, psd, txt, rtf, html, odf, pdf, doc, docx, ppt, pptx, xls, xlsx, xml, avi, mov, mp3, mp4, ogg, wav, bz2, dmg, gz, jar, rar, sit, svg, tar, zip.

NWCG Latest Announcements

Updated NWCG Standards for Water Scooping Operations, PMS 518

Date: December 19, 2024
Contact: Water Scooper Operations Unit

The NWCG Standards for Water Scooping Operations, PMS 518 establishes the standards for dispatching, utilizing, and coordinating water scooping aircraft on interagency wildland fires. These standards should be used in conjunction with the NWCG Standards for Aerial Supervision (SAS), PMS 505, and any local, state, or geographic/regional water scooping plans.

References:

NWCG Standards for Water Scooping Operations, PMS 518

Updated NWCG Standards for Aerial Supervision, PMS 505

Date: December 19, 2024
Contact: Interagency Aerial Supervision Subcommittee

The Interagency Aerial Supervision Subcommittee has updated the NWCG Standards for Aerial Supervision, PMS 505. PMS 505 establishes standards for aerial supervision operations for national interagency wildland fire operations. 

References:

NWCG Standards for Aerial Supervision, PMS 505

New Job Aids Available: Packing Lists for Wildland Fire Fireline Personnel and Support Staff, J-101 and J-102

Date: December 3, 2024
Contact: NWCG TRAINING

Two new job aids are now available: Packing List for Wildland Fire Fireline Personnel, J-101 and Packing List for Wildland Fire Support Personnel, J-102, should serve as a baseline for items needed on a wildland fire assignment. These lists will help personnel prepare for a 14 to 21-day assignment on the fireline or in a support role.

References:

Job Aid Catalog

NWCG Packing List for Wildland Fire Fireline Personnel, J-101

NWCG Packing List for Wildland Fire Support Staff, J-102

NWCG Equipment Technology Committee Releases Safety Warning: 24-001 Stihl Chainsaw Toolless Fuel Cap Spill Prevention

Date: November 14, 2024
Contact: Equipment Technology Committee

The Equipment Technology Committee (ETC) has released Safety Warning: 24-001 Stihl Chainsaw Toolless Fuel Cap Spill Prevention. Misaligned toolless fuel caps on Stihl chainsaws have led to recurring fuel spillage, fuel ignition, and burn injuries during wildland fire management operations.

This Safety Warning is intended to highlight the details and recommended procedures for the installation of a Stihl chainsaw toolless fuel cap, as well as how to identify and correct a misaligned, damaged, or broken fuel cap to help prevent fuel spillage.

References:

NWCG Safety Warning: 24-001 Stihl Chainsaw Toolless Fuel Cap Spill Prevention

Advertencia de equipos 24-001: Prevención de derrames de la tapa de combustible sin herramientas de la motosierra Stihl

NWCG Alerts