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Testing Laboratories and Services

NAICS 541380 · Professional, Scientific and Technical Services · SBA size standard: $19 million average annual receipts

Testing laboratories receive samples from clients, run standardized or custom test protocols on materials, environmental media, food, water, products and electronics, then deliver reports with data, instrument outputs and supporting documentation. For a lab that handles construction materials, environmental samples and product compliance testing, the specialists turn client requests into scheduled test batches, samples into chain-of-custody records and instrument runs, results into formatted reports, and maintain calibration logs, quality-control checklists and retention records. Test methods, equipment calibration, data interpretation and final sign-off stay with the lab technicians and quality manager.

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What makes this business different

  • Samples arrive with specific test requests, matrices, preservation requirements and turnaround times that must be logged exactly
  • Unbroken chain-of-custody documentation and physical sample tracking from receipt through analysis and disposal
  • Daily equipment calibration, preventive maintenance logs and quality-control blanks, spikes or duplicates required before client samples are run
  • Standard methods from ASTM, EPA or ISO and client-specific protocols that must be followed without deviation unless approved
  • Data review, validation and reporting with raw data, chromatograms, photos and statistical checks
  • Rush versus standard turnaround times and batching similar tests to optimize instrument and technician use
  • Client-specific requirements for report formats, electronic data deliverables and record retention periods
  • Safe handling, storage and disposal of hazardous samples, reagents and waste with documented manifests

Specialist bots

  • a laboratory receiving counter with opened shipping boxes containing labeled sample jars arranged next to a clipboard and chain-of-custody forms

    Sample Receptionist

    Convert every incoming sample shipment into a logged, uniquely identified record with unbroken chain-of-custody.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Sample intake and chain-of-custody

    Automates

    • Reads client test requests and sample labels
    • Assigns lab sample IDs and generates chain-of-custody forms
    • Checks preservation, quantity and labeling against requirements
    • Drafts intake confirmation
    • Records storage location

    Stops for a person

    • The lab manager confirms acceptance of non-standard or damaged samples
    • A technician verifies chain-of-custody signatures before testing begins
  • a laboratory workbench covered with sample trays, instrument schedules and printed batch worksheets ready for the day's runs

    Laboratory Scheduler

    Group samples into efficient daily test batches and assign instruments and technicians.

    Works in: Ambitious Tasks, Ambitious Sheets · Workflows: Test batch scheduling and capacity

    Automates

    • Groups samples by test method and due date
    • Checks instrument availability and technician schedules
    • Builds the daily instrument run order
    • Flags rush work and capacity conflicts
    • Generates batch worksheets

    Stops for a person

    • The lab manager adjusts priorities when instruments are down
    • Technicians confirm the schedule each morning
  • a laboratory workbench with calibration standards, pipettes, reagent bottles and an open logbook showing columns of instrument readings

    Quality Control Coordinator

    Maintain calibration records, generate daily quality-control checklists and track instrument performance.

    Works in: Ambitious Tasks, Ambitious Sheets, Ambitious Docs · Workflows: Quality control and calibration management

    Automates

    • Creates daily quality-control checklists with required blanks and spikes
    • Tracks calibration due dates and maintenance logs
    • Monitors reagent expiration and flags out-of-spec results
    • Compiles control charts for each instrument

    Stops for a person

    • Technicians record actual quality-control results and instrument readings
    • The quality manager reviews and signs off on all quality-control data before client testing
  • a lab technician pipetting liquid from a sample vial into a row of autosampler vials inside an open analytical instrument

    Test Execution Technician

    Prepare samples, run instruments according to exact methods and capture all raw data.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Test execution and data capture

    Automates

    • Pulls the correct samples for the batch
    • Creates run lists with quality-control positions
    • Logs sample preparation steps
    • Exports raw data files with sample IDs attached
    • Flags obvious deviations for review

    Stops for a person

    • The technician follows and documents the exact test method steps
    • Any deviation from the written method requires quality manager approval
  • a laboratory desk with dual monitors displaying test result spreadsheets next to printed reports with data tables and graphs

    Report and Data Specialist

    Compile reviewed data into client-ready reports with tables, charts and supporting documentation.

    Works in: Ambitious Docs, Ambitious Sheets, Ambitious Tasks · Workflows: Data review and report generation

    Automates

    • Pulls results and quality-control data into report templates
    • Formats tables, inserts instrument plots and photos
    • Applies client-specific report layouts
    • Assembles electronic data deliverable packages
    • Creates draft report for technical review

    Stops for a person

    • A qualified reviewer examines all data and calculations
    • The lab manager approves the final report before it is sent
  • a laboratory office desk with printed test reports, an open spreadsheet of billing line items and organized client project folders

    Billing Coordinator

    Convert completed tests into accurate client invoices using contract or list pricing.

    Works in: Ambitious Sheets, Ambitious Docs, Ambitious Tasks · Workflows: Billing and client invoicing

    Automates

    • Matches tests performed to client pricing agreements
    • Calculates line items and any additional fees
    • Drafts invoices with references to final reports
    • Tracks invoice status and aging
    • Prepares monthly account summaries

    Stops for a person

    • The lab manager reviews and approves all invoices before sending
    • Adjustments for subcontracted work or special projects are confirmed by the owner
  • a walk-in sample storage room with shelves of labeled containers marked with retention and disposal dates and a barcode scanner on a cart

    Sample and Records Archivist

    Track sample retention, schedule proper disposal and maintain organized records archives.

    Works in: Ambitious Tasks, Ambitious Sheets, Ambitious Docs · Workflows: Sample retention, disposal and records management

    Automates

    • Calculates retention end dates from receipt and report dates
    • Generates disposal schedules and manifests
    • Creates archive folders for raw data and reports
    • Drafts client notifications for upcoming disposal
    • Maintains sample storage location inventory

    Stops for a person

    • The lab manager confirms disposal method for hazardous samples
    • Clients are contacted for approval before any sample is destroyed when required

Workflows

Sample intake and chain-of-custody

Starts when: A client ships or delivers physical samples with a test request

  1. Log sample details, requested tests, matrix, preservation method and turnaround time
  2. Assign unique lab sample ID and generate chain-of-custody record
  3. Inspect samples for damage, quantity, labeling and proper preservation
  4. Store samples in the designated temperature-controlled area
  5. Draft intake confirmation for client approval

Watch for: Chain-of-custody must remain unbroken with signatures at every transfer; Samples requiring specific preservation cannot be accepted if compromised

Test batch scheduling and capacity

Starts when: After sample intake or on a daily batching cadence

  1. Group incoming samples by test method, instrument and due date
  2. Check technician availability, instrument status and calibration against deadlines
  3. Build daily instrument run schedule
  4. Flag rush samples and any priority or cross-contamination conflicts
  5. Generate batch worksheets and assign to technicians

Watch for: Instruments have limited daily capacity and require warm-up and calibration time; Certain tests cannot run simultaneously due to cross-contamination risk

Quality control and calibration management

Starts when: Daily before any client testing and on fixed calibration dates

  1. Generate daily quality-control checklist including required blanks, spikes, duplicates and standards
  2. Record instrument calibration status and preventive maintenance
  3. Track reagent and standard expiration dates
  4. Flag any out-of-spec results for immediate review
  5. Update equipment logbooks before releasing any client samples

Watch for: Calibration and quality-control data must be recorded and pass before client samples are analyzed; Technicians must confirm all quality-control criteria are met

Test execution and data capture

Starts when: At the scheduled test start time

  1. Prepare samples according to the exact test method
  2. Run instrument sequence with quality-control samples in the prescribed order
  3. Capture all raw data, chromatograms, spectra or photos with sample IDs attached
  4. Perform initial calculations and check against acceptance criteria
  5. Log any deviations or non-conformances for review

Watch for: Test methods must be followed without deviation unless approved by the quality manager; All raw data must be traceable to the specific sample ID and run sequence

Data review and report generation

Starts when: After test execution and quality-control checks

  1. Compile results, quality-control data, instrument outputs and photos
  2. Perform second-level technical review against method requirements
  3. Draft formatted report with tables, charts, narratives and supporting data
  4. Apply client-specific templates and electronic data deliverable formats
  5. Package final report with chain-of-custody summary

Watch for: All data and calculations must be reviewed by a qualified person before release; Reports are sent only after final approval

Billing and client invoicing

Starts when: Upon report approval and on a monthly cadence

  1. Match completed tests to the client price list or contract rates
  2. Calculate line items including any rush fees or disposal charges
  3. Draft invoice with test details and report reference
  4. Track accounts receivable and prepare follow-up reminders
  5. Update project files with billing status

Watch for: Pricing varies by client contract, volume and test complexity; Subcontracted test fees must be verified before invoicing

Sample retention, disposal and records management

Starts when: After report delivery and on the retention schedule

  1. Confirm retention period with client or lab policy
  2. Schedule and document proper disposal of hazardous and non-hazardous samples
  3. Archive raw data, reports, chain-of-custody records and instrument logs
  4. Generate disposal manifests when required
  5. Draft client notification for upcoming disposal

Watch for: Hazardous samples require documented disposal following requirements the lab manager confirms; Litigation-related samples must be held for the period the client specifies

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.