USP Water Testing.

TOC, Conductivity & Cleaning Validation Services

Compliant analytical testing for pharmaceutical water systems, cleaning efficiency studies, non-specific residue monitoring, and validation programs. 




Decision-ready data for critical quality programs

TOC • Conductivity • Rinse & Swab Samples • Investigation Support

TOC

Organic residue monitoring

USP

Water program support

cGMP

Quality-focused testing

BUILT FOR QUALITY TEAMS

Analytical support for regulated water and cleaning programs

Quantum helps QA, QC, validation, manufacturing, and technical operations teams generate data that is clear, compliant, and decision-ready.

1.

TOC Analysis

Pharmaceutical water and cleaning validation support using non-specific organic residue monitoring.

2.

Conductivity Testing

Conductivity testing for Purified Water and WFI programs to assess ionic impurity control.

3.

Cleaning Validation

TOC-based monitoring for rinse & swab samples, equipment cleaning studies, & efficiency programs.

4.

Contaminants and failure analysis

Support for OOT/OOS water or cleaning results with scientific interpretation and practical next steps.

THE CHALLENGE

Regulatory scrutiny demands defensible data.

Pharmaceutical manufacturers must demonstrate that water systems and cleaning processes remain in control. A single unexpected TOC, conductivity, or cleaning validation result can create questions around product quality, manufacturing continuity, and regulatory defensibility.

You may be navigating:

USP water monitoring requirements
Purified Water or WFI qualification
TOC or conductivity excursions
Cleaning validation studies with complex residue profiles
Rinse or swab samples from shared equipment
OOS/OOT investigations requiring defensible conclusions

CORE SERVICES

Water testing and cleaning validation
support from one analytical partner

Service 01

Total Organic Carbon Analysis for USP Water

Total Organic Carbon (TOC) analysis is a rapid, non-specific technique required by USP <643> for monitoring pharmaceutical water systems, including Purified Water and Water for Injection. TOC is also widely used as an approved tool for cleaning validation.

By measuring total carbon from all organic compounds, TOC delivers a sensitive and comprehensive assessment of residual active pharmaceutical ingredients (APIs), cleaning agents, and potential bioburden.

TOC testing supports:

Purified Water monitoring
Water for Injection monitoring
Water system qualification
Routine quality checks
Trend analysis and investigations
Rinse sample evaluation
Cleaning validation and verification programs
Service 02

Conductivity Testing for USP Water

Conductivity testing is used to evaluate ionic impurities in pharmaceutical water systems. Used alongside TOC, conductivity provides a broader picture of water system control and supports USP water monitoring programs.

Conductivity testing supports:

USP Purified Water programs
USP Water for Injection programs
Water system qualification
Routine monitoring and continued verification
Investigation of ionic contamination or process drift
Quality documentation and audit support
Service 03

Non-Specific Monitoring for Cleaning Efficiency & Cleaning Validation

Cleaning validation often requires evidence that residues have been reduced to acceptable levels. TOC can serve as a practical non-specific monitor for organic residues, especially when multiple products, degradants, excipients, cleaning agents, or process residues may contribute to the total residue burden.

Ideal for:

Rinse sample analysis
Swab sample analysis
Equipment cleaning studies
Shared manufacturing equipment
Multi-product manufacturing environments
Cleaning process troubleshooting
Cleaning validation lifecycle support

BUILT FOR QUALITY TEAMS

Analytical support for regulated water and cleaning programs

Quantum helps QA, QC, validation, manufacturing, and technical operations teams generate data that is clear, compliant, and decision-ready.

Unexpected TOC result

Rapid testing and technical interpretation to support clear investigation direction.

Cleaning validation uncertainty

TOC-based non-specific residue monitoring for stronger evidence of cleaning effectiveness.

Conductivity excursion

USP water conductivity support to better understand ionic impurity risk.

Complex sample matrix

Fit-for-purpose analytical approaches for more reliable, meaningful data.

Audit pressure

Defensible documentation and quality-focused reporting to support inspection readiness.

Method suitability questions

Technical guidance for water, rinse, swab, and validation sample requirements.

APPLICATIONS

Programs and sample types we support

6

USP Water Programs

Purified Water monitoring
Water for Injection monitoring
Water system qualification
Routine TOC and conductivity checks
Excursion and trend investigations

7

Cleaning Validation

Rinse recovery studies
Swab recovery studies
Equipment cleaning verification
Cleaning process development
Residue monitoring

8

Investigations

Unexpected TOC results
Conductivity excursions
Contamination investigations
Cleaning process failures
Root-cause support

9

Quality Support

Audit documentation support
Method development support
Validation lifecycle support
Technical consultation
Decision-ready reporting

SIMPLE PROCESS

From testing need to decision-ready data

1.

Define the Need

Tell us about your water system, cleaning process, sample type, acceptance criteria, regulatory context, and timeline.

 

2.

Align the Testing Approach

Our technical team helps align the analytical plan with your matrix, program goals, documentation needs, and compliance expectations.

3.

Generate Defensible Results

Receive clear, quality-focused data that supports release decisions, validation packages, investigations, and audit readiness.

FAQ 

Common questions

TOC testing helps evaluate organic impurities in pharmaceutical water systems and supports routine monitoring, qualification, investigations, and ongoing verification.

Yes. TOC is commonly used as a non-specific monitor of organic residues and can support cleaning efficiency studies, rinse sample analysis, swab sample analysis, and cleaning validation programs.

Conductivity testing helps assess ionic impurities and water system control. It is commonly used alongside TOC to provide a broader quality picture for USP water.

Yes. Quantum supports method development and validation when sample matrices, residue profiles, or program requirements require a tailored approach.

  
READY TO START?
 

Strengthen your USP water or cleaning validation program.

Partner with a laboratory that understands both the science and the compliance pressure behind every result. Submit your testing need and a technical expert can review the scope.