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AGT Labs is one of the most accredited independently owned industrial hygiene testing, food testing, and petroleum testing laboratories in the U.S. Our corporate laboratory is located in Houston, TX with service centers in Harlingen (South TX). We have over thirty (30) years of experience providing exceptional quality services to our clients from diverse industries, including chemical manufacturing, consulting and engineering firms, energy, pulp and paper, food manufacturing, petroleum refining, and local, state, and federal agencies.
Our technical staff has the experience and knowledge to understand regulatory limits and permit requirements, which is essential in helping customers meet their project goals. We strive to meet or exceed all applicable regulatory accreditation requirements.
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Our mission is to deliver quality analytical testing services to our clients while following ethical practices and providing stellar customer service with continuous improvements.
AGT Labs provides the following laboratory services




Quality Assurance
AGT Labs follows standards and guidelines that assure ethical and verifiable analytical results. Our experienced staff has the necessary skills to deliver traceable and legally defensible data.
AGT Labs is committed to:
- Generating legally defensible data of known, documentable and verifiable quality
- Offering the client scientifically sound data to ensure regulatory compliance and for other decision-making purposes
- Building continuous improvement systems within the laboratory to ensure data quality and reliability
- Providing clients with exceptional customer service and the highest level of professionalism in the industry
- Providing for reconstruction of all phases of the analytical process by maintaining accurate, fully traceable records.
Methodology
The majority of analyses performed by AGT Labs are driven by regulatory concerns, client requirements, and necessities. Therefore, methods adopted by AGT Labs predominantly originate from regulatory agencies and are strictly adhered to. When a new revision is received from the regulatory agency, the newly revised method is strictly adhered to. Generally, the methods are those specified by the USEPA and other federal and state agencies, as provided in the following references:
- 40 CFR 136
- Test Methods for Evaluating Solid Waste, SW 846
- NIOSH Manual of Analytical Methods
- ASTM
- Standard Methods for the Examination of Water and Wastewater, APHA
- Methods for Chemical Analysis of Water and Waste, EPA-600/4-79-020
- Manual for the Certification of Laboratories Analyzing Drinking Water, EPA 815-R-05-004
- Methods for Determination of Organic Compounds in Drinking Water, EPA
- Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, EPA
- Biological Analytical Manual, FDA
- AOAC
- Diagnostic Microbiology, Bailey and Scott
- Compendium of Methods for the Microbiological Examination of Foods, APHA

1. Where is your laboratory located?
AGT Labs’ corporate office is located at 10200 East Freeway, Suite 100, Houston, Texas with service center locations in Harlingen (South TX).
2. What are your business hours?
Monday – Friday | 7:00 AM to 6:00 PM |
Saturday | Closed (Please call 713-453-6090 if Saturday testing is needed.) |
Sunday | Closed |
After-hours / Emergency Testing | Please call 713-453-6090 if emergency testing is needed after normal business hours or during holidays |
3. Do you provide Sample Pick Up and Courier Services?
Please contact your Project Manager at (713) 453-6090 or info@agtlabs.com to schedule sample pick-up and courier services in Houston and surrounding areas: Bay City, Bloomington, Brazoria, Freeport, Ganado, Lake Jackson, Palacios, Port Lavaca, Port Comfort, Victoria, and Wadsworth. Sample pick-up and courier services are also available in the areas near our service center locations in Harlingen.
4. What is your standard Turnaround Time (TAT)?
Our standard TAT is 5-7 business days or later for most tests. For test results needed in less than 7 business days, rush charges may apply. AGT Labs will provide the TAT on each quote.
5. What are rush charges and when are they needed?
Rush charges may apply to the tests, if needed and/or specified that the test must be rushed. Rush charges will only apply to those tests in which rushing the sample testing implies an actual cost.
- 1 BUSINESS DAY TURNAROUND TIME = 100% SURCHARGE
- (When applicable)
- 2 BUSINESS DAY TURNAROUND TIME = 75% SURCHARGE
- (When applicable)
- 3 BUSINESS DAY TURNAROUND TIME = 50% SURCHARGE
- (When applicable)
- 4 BUSINESS DAY TURNAROUND TIME = 25% SURCHARGE
- (When applicable)
- Sample matrix may affect feasible turnaround time
Note for Asbestos: A prep charge fee will be incurred if the samples are prepped but not able to be analyzed due to step rules for overloading. Bulk PLM that requires a separate report and analysis for individual layers will be charged accordingly, per layer.
6. Will you ship sample kits from AGT Labs to our facility? If so, what is the cost?
7. Do you provide Sample Media?
AGT Labs can provide sample media (at cost with a surcharge) provided the laboratory is given at least 5 days notice. Routine kits include PVC filters, MCE filters, sorbent tubes, chain of custody forms and Federal Express return shipment forms with AGT Labs’ ID number. Other media, pumps and related equipment are available for additional charges. All sample media will be charged to the client immediately after the media kit is ordered or given to the client.

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