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NES

Our Business Is
Protecting Your Business

Since 1987 Network Environmental Systems, Inc. (NES) has been focused on helping businesses and government agencies protect their employees and the environment in a way that makes business sense.

NES is a nationally recognized leader in environmental, health & safety (EH&S) training and consulting. We provide industrial hygiene consulting services in the areas of indoor air quality, water damage & mold, asbestos, occupational exposure to known or potential hazards, OSHA compliance, and other EH&S concerns. We specialize in delivering environmental compliance expertise on numerous issues, including storm water, air quality, and hazardous waste management. NES is now applying this vast EH&S knowledge to the regulated cannabis industry.

NES regularly performs construction safety observations on a range of projects, supporting safety goals and helping affected personnel work in a culture of heightened safety awareness.

NES offers training on a broad range of environmental health and safety issues and trains thousands of law enforcement personnel to respond to clandestine drug laboratory sites safely and effectively.

Our Services



  • HEALTH AND SAFETY TRAINING

    Learn more about NES‘ health and safety training. Our goal is to keep your employees safe through education and compliance. For REHSs: our CDPH accreditation allows us to provide 1:1 course hours to contact hours for completing any of our in-class or online training programs!



  • LAW ENFORCEMENT

    Learn more about NES’ law enforcement clandestine laboratory training. NES is the foremost expert on clan lab safety issues and trends, ensuring that law enforcement personnel have the knowledge and tools to stay safe.

Recent NES Blog Posts

Popular NES Courses

  • Cannabis Industry for Regulators

    This valuable two-day training program is intended for regulatory personnel who may be visiting cannabis businesses in California for the purpose of performing site audits. The course covers the hazards inherent to cannabis operations, the protocols for performing inspections, and the continually evolving industry practices and regulations that apply to this burgeoning industry.

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion.

  • Hazardous Waste Management NES Training

    Hazardous Waste Management (Title 22 / RCRA)

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. with a break for lunch and additional short breaks at the instructor’s discretion.

  • 8-Hour Hazardous Waste Operations & Emergency Response (HAZWOPER) Refresher NES Training

    8-Hour Hazardous Waste Operations & Emergency Response (HAZWOPER) Refresher

    NOTE: workers not completing a refresher after one year following initial or refresher HAZWOPER training are not permitted to work at a qualified site, and Cal/OSHA requires completion of a refresher within 24 months to avoid having to re-take 40-/24-Hour HAZWOPER training; federal OSHA has set no explicit such time frame.

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. with a break for lunch and additional short breaks at the instructor’s discretion.

  • 40-Hour Hazardous Waste Operations (HAZWOPER) NES Training

    40-Hour Hazardous Waste Operations (HAZWOPER)

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion.

  • Explosives and Toxics Clan Labs NES Training

    Explosives and Toxics Clan Labs

    This is an advanced clan lab course designed for first responders who may encounter a clandestine laboratory operation manufacturing compounds that are explosive or highly toxic. This high-hazard clan lab course covers assessment, identification, and hazards involved with clandestine laboratories where explosives or toxics are being produced.

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion. Casual attire is recommended.

  • Uniform Hazardous Waste Manifest NES Training

    Uniform Hazardous Waste Manifest

    For those who require DOT training as well, this course is offered for a discounted combination rate as DOT Hazmat Employee & Uniform Hazardous Waste Manifest training!

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. with a break for lunch and additional short breaks at the instructor’s discretion.

  • DOT Hazmat Employee NES Training

    DOT Hazmat Employee

    For those who require manifest training as well, this course is offered for a discounted combination rate as DOT Hazmat Employee & Uniform Hazardous Waste Manifest training!

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. with a break for lunch and additional short breaks at the instructor’s discretion.

  • Basic Clandestine Laboratory Safety NES Training

    Basic Clandestine Laboratory Safety

    This course is for personnel working clandestine drug laboratories. The course focuses on meth labs and covers meth production, chemical and physical hazards, hazard evaluation, protective clothing, respiratory protection, and other related topics.

    Scroll down to view our Basic Clandestine Laboratory Safety meth cook video!

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion. Casual attire is recommended.

  • NES Cal-OSHA 30-Hour Training - Cannabis Edition

    Cal/OSHA 30-Hour General Industry – Cannabis Edition

    California cannabis businesses are now required by licensing agencies to have at least one supervisor and one employee complete Cal/OSHA 30-Hour General Industry training. This program is required by Cal/OSHA to cover certain topics, but we tailor the program so that it fits the context of cannabis industry operations; however, anyone seeking Cal/OSHA 30-Hour General Industry training can attend this program and become certified.

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion.

  • 24-Hour Hazardous Waste Operations (HAZWOPER) NES Training

    24-Hour Hazardous Waste Operations (HAZWOPER)

    Group discount pricing is available as follows:
    3-5 participants: 5% discount
    6-10 participants: 10% discount
    11-15 participants: 15% discount
    16-20 participants: 20% discount
    21+ participants: contact NES at 1-800-NES-ADVISE (1-800-637-2384)

    Can’t find a course and/or date that suits you? Please let us know here: Open Enrollment Wish List

    Classes run from 8:00 a.m. to 5:00 p.m. daily with a break for lunch and additional short breaks at the instructor’s discretion.

This video provides basic step-by-step storm water sampling instructions for members of the storm water compliance groups administered by NES. Learn more about the benefits of membership here.

NES can help with your project.

Contact an expert today and start protecting your business.

Contact Us

This video presents scenes from a live NES meth cook, a popular feature of our Basic Clandestine Laboratory Safety training program.

Why Our Customers Come Back

Copyright 2020 NES, Inc

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