ASTM D7937
Standard Test Method for In-situ Determination of Turbidity Above 1 Turbidity Unit (TU) in Surface Water
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
ASTM D7937 is a standard test method for in-situ determination of turbidity above 1 turbidity unit (TU) in surface water. It provides a focused approach for measuring higher-turbidity conditions directly in the field, which can support more timely and consistent water-quality decisions. By addressing turbidity in surface water at levels above 1 TU, this ASTM standard is useful where practical monitoring, repeatable results, and clear test procedures matter for environmental assessment and routine control.
Overview of ASTM D7937
ASTM D7937 describes a test method intended for in-situ turbidity measurement in surface water when turbidity is above 1 TU. The standard is centered on field-based determination rather than laboratory-only analysis, making it relevant to applications that need direct readings from the water body itself. As a technical document, it helps align measurement practices so users can obtain more comparable results for monitoring, evaluation, and reporting. ASTM D7937 is especially valuable where consistent turbidity data support operational decisions.
Common use cases of ASTM D7937
This standard is commonly used in surface-water monitoring programs where turbidity must be checked directly at the sampling location. It may be applied during routine field testing, environmental surveys, or site evaluations that require measurements above 1 TU. The method is also relevant when teams need a practical way to assess water clarity trends without delaying results for later laboratory processing. ASTM D7937 supports workflows that depend on fast, field-based verification of water conditions.
Benefits of using ASTM D7937
Using ASTM D7937 can improve consistency in turbidity testing by providing a defined method for in-situ measurement. That helps support quality control, compliance-related documentation, and more reliable comparison of results over time. For procurement and specification purposes, it also gives buyers and users a clear reference point for evaluating testing practices and equipment performance. In practice, the standard can reduce ambiguity, improve repeatability, and help teams make more confident water-quality decisions.
- In-situ turbidity measurement
- Surface-water field testing
- Results above 1 TU
- Repeatable monitoring practice
- Quality control reference
- Publication Date: 2023-07-12
- Publisher: ASTM
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.