FORMAT
BOOKS
PACKAGES
EDITION
PUBLISHER
CONTENT TYPE
Act
Admin Code
Announcements
Bill
Book
CADD File
CAN
CEU
Charter
Checklist
City Code
Code
Commentary
Comprehensive Plan
Conference Paper
County Code
Course
DHS Documents
Document
Errata
Executive Regulation
Federal Guideline
Firm Content
Guideline
Handbook
Interpretation
Journal
Land Use and Development
Law
Legislative Rule
Local Amendment
Local Code
Local Document
Local Regulation
Local Standards
Manual
Model Code
Model Standard
Notice
Ordinance
Other
Paperback
PASS
Periodicals
PIN
Plan
Policy
Product
Product - Data Sheet
Program
Provisions
Requirements
Revisions
Rules & Regulations
Standards
State Amendment
State Code
State Manual
State Plan
State Standards
Statute
Study Guide
Supplement
Sustainability
Technical Bulletin
All
|
Description of ASTM-E1798 2008ASTM E1798-96-Reapproved2008Withdrawn Standard: Standard Test Method for Assessing Treatability or Biodegradability, or Both, of Organic Chemicals in Porous Pots (Withdrawn 2013)ASTM E1798Scope 1.1 This test method covers simulating the activated sludge sewage treatment process and therefore gives a measure of the extent of biodegradation or removal likely to occur during sewage treatment. 1.2 Assessment of treatability or biodegradability, or both, of water soluble organic compounds in the porous pot test requires dissolved organic carbon (DOC) measurements or specific chemical analysis. 1.2.1 Dissolved organic carbon (DOC) measurements, relative to the controls, can be used to calculate the removal of the test chemical or water soluble residues by the porous pot treatment (see 12.3). The DOC measurements do not identify water soluble chemicals. Specific chemical analysis, on the other hand, can be used to identify and quantify the parent test chemical or (if standards are available) any water soluble residues formed by the porous pot treatment. A specific chemical analytical method must have a limit of detection (LOD) ≤0.1 mg/L in water or ≤0.1 mg/Kg in solids. 1.3 The feature that distinguishes this test from other activated sludge simulation tests is the retention of the activated sludge in a porous liner, that eliminates the need for a secondary clarifier and facilitates control of the critical parameter, the sludge retention time (SRT). 1.4 Porous pots can be completely sealed and tests using 14C-labeled test compounds are then possible. Carbon dioxide in the exhaust gas and bicarbonate in the effluent can be used together to assess the extent of mineralization, and levels of radiolabel in the sludge and in the aqueous phase may also be determined. 1.5 By simultaneously measuring the efficiency of the pots in removing DOC, it is also possible to determine whether the test compound has any adverse effect on normal sewage treatment processes. 1.6 The SI units given in parentheses are for information only.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish
appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements see Section 6. Keywords Activated sludge; Biochemical oxygen demand (BOD); Biodegradation; Dissolved organic chemicals; Mixed liquor volatile suspended solids (MLVSS); Porous pot test; Sludge; Total oxygen demand (TOD); Treatability; Wastewater testing/treatment ICS Code ICS Number Code 13.030.99 (Other standards related to wastes) DOI: 10.1520/E1798-96R08 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
Some features of MADCAD.com ASTM Standards Subscriptions are: - Immediate Access: As soon as the transaction is completed, your ASTM Standards Subscription will be ready for access.
For any further information on MADCAD.com ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
GROUPS
|