{"id":430084,"date":"2024-10-20T07:21:34","date_gmt":"2024-10-20T07:21:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ashrae-iaqbestpractices-2ndedition-2014\/"},"modified":"2024-10-26T14:00:25","modified_gmt":"2024-10-26T14:00:25","slug":"ashrae-iaqbestpractices-2ndedition-2014","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ashrae\/ashrae-iaqbestpractices-2ndedition-2014\/","title":{"rendered":"ASHRAE IAQBestPractices 2ndEdition 2014"},"content":{"rendered":"

The Indoor Air Quality Guide: Best Practices for Design, Construction and Commissioning is designed for architects, design engineers, contractors, commissioning agents, and all other professionals concerned with indoor air quality. Developed in cooperation with the American Institute of Architects, U.S. Green Building Council (USGBC), the Building Owners and Managers Association International (BOMA), the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), and the U.S. Environmental Protection Agency (EPA).<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
6<\/td>\nCONTENTS <\/td>\n<\/tr>\n
9<\/td>\nAcknowledgments <\/td>\n<\/tr>\n
11<\/td>\nAbbreviations and Acronyms <\/td>\n<\/tr>\n
13<\/td>\nForeword: Why this Guide Was Written <\/td>\n<\/tr>\n
14<\/td>\nMessage to Building Owners <\/td>\n<\/tr>\n
15<\/td>\nIntroduction <\/td>\n<\/tr>\n
22<\/td>\nPART I\u2014Summary Guidance
Overview Information for Design, Construction, and Commissioning for IAQ <\/td>\n<\/tr>\n
23<\/td>\nObjective 1 \u2013 Manage the Design and Construction Process to Achieve Good IAQ <\/td>\n<\/tr>\n
25<\/td>\nStrategy 1.1 \u2013 Integrate Design Approach and Solutions <\/td>\n<\/tr>\n
29<\/td>\nStrategy 1.2 \u2013 Commission to Ensure that the Owner\u2019s IAQ Requirements are Met <\/td>\n<\/tr>\n
33<\/td>\nStrategy 1.3 \u2013 Select HVAC Systems to Improve IAQ and Reduce the Energy Impacts of Ventilation <\/td>\n<\/tr>\n
37<\/td>\nStrategy 1.4 \u2013 Employ Project Scheduling and Manage Construction Activities to Facilitate Good IAQ <\/td>\n<\/tr>\n
40<\/td>\nStrategy 1.5 \u2013 Facilitate Effective Operation and Maintenance for IAQ <\/td>\n<\/tr>\n
44<\/td>\nObjective 2 \u2013 Control Moisture in Building Assemblies <\/td>\n<\/tr>\n
46<\/td>\nStrategy 2.1 \u2013 Limit Penetration of Liquid Water into the Building Envelope <\/td>\n<\/tr>\n
50<\/td>\nStrategy 2.2 \u2013 Limit Condensation of Water Vapor within the Building Envelope and on Interior Surfaces <\/td>\n<\/tr>\n
54<\/td>\nStrategy 2.3 \u2013 Maintain Proper Building Pressurization <\/td>\n<\/tr>\n
58<\/td>\nStrategy 2.4 \u2013 Control Indoor Humidity <\/td>\n<\/tr>\n
64<\/td>\nStrategy 2.5 \u2013 Select Suitable Materials, Equipment, and Assemblies for Unavoidably Wet Areas <\/td>\n<\/tr>\n
67<\/td>\nStrategy 2.6 \u2013 Consider Impacts of Landscaping and Indoor Plants on Moisture and Contaminant Levels <\/td>\n<\/tr>\n
70<\/td>\nObjective 3 \u2013 Limit Entry of Outdoor Contaminants <\/td>\n<\/tr>\n
72<\/td>\nStrategy 3.1 \u2013 Investigate Regional and Local Outdoor Air Quality <\/td>\n<\/tr>\n
76<\/td>\nStrategy 3.2 \u2013 Locate Outdoor Air Intakes to Minimize Introduction of Contaminants <\/td>\n<\/tr>\n
79<\/td>\nStrategy 3.3 \u2013 Control Entry of Radon <\/td>\n<\/tr>\n
83<\/td>\nStrategy 3.4 \u2013 Control Intrusion of Vapors from Subsurface Contaminants <\/td>\n<\/tr>\n
89<\/td>\nStrategy 3.5 \u2013 Provide Effective Track-Off Systems at Entrances <\/td>\n<\/tr>\n
92<\/td>\nStrategy 3.6 \u2013 Design and Build to Exclude Pests <\/td>\n<\/tr>\n
96<\/td>\nObjective 4 \u2013 Control Moisture and Contaminants Related to Mechanical Systems <\/td>\n<\/tr>\n
98<\/td>\nStrategy 4.1 \u2013 Control Moisture and Dirt in Air-Handling Systems <\/td>\n<\/tr>\n
101<\/td>\nStrategy 4.2 \u2013 Control Moisture Associated with Piping, Plumbing Fixtures, and Ductwork <\/td>\n<\/tr>\n
103<\/td>\nStrategy 4.3 \u2013 Facilitate Access to HVAC Systems for Inspection, Cleaning, and Maintenance <\/td>\n<\/tr>\n
106<\/td>\nStrategy 4.4 \u2013 Control Legionella in Water Systems addresses the control of Legionella <\/td>\n<\/tr>\n
108<\/td>\nStrategy 4.5 \u2013 Consider Ultraviolet Germicidal Irradiation discusses the state of knowledge regarding UVGI <\/td>\n<\/tr>\n
111<\/td>\nObjective 5 \u2013 Limit Contaminants from Indoor Sources <\/td>\n<\/tr>\n
113<\/td>\nStrategy 5.1 \u2013 Control Indoor Contaminant Sources through Appropriate Material Selection <\/td>\n<\/tr>\n
118<\/td>\nStrategy 5.2 \u2013 Employ Strategies to Limit the Impact of Emissions <\/td>\n<\/tr>\n
122<\/td>\nStrategy 5.3 \u2013 Minimize IAQ Impacts Associated with Cleaning and Maintenance <\/td>\n<\/tr>\n
125<\/td>\nObjective 6 \u2013 Capture and Exhaust Contaminants from Building Equipment and Activities <\/td>\n<\/tr>\n
127<\/td>\nStrategy 6.1 \u2013 Properly Vent Combustion Equipment <\/td>\n<\/tr>\n
129<\/td>\nStrategy 6.2 \u2013 Provide Local Capture and Exhaust for Point Sources of Contaminants <\/td>\n<\/tr>\n
132<\/td>\nStrategy 6.3 \u2013 Design Exhaust Systems to Prevent Leakage of Exhaust Air into Occupied Spaces or Air Distribution Systems <\/td>\n<\/tr>\n
135<\/td>\nStrategy 6.4 \u2013 Maintain Proper Pressure Relationships Between Spaces <\/td>\n<\/tr>\n
138<\/td>\nObjective 7 \u2013 Reduce Contaminant Concentrations through Ventilation, Filtration, and Air Cleaning <\/td>\n<\/tr>\n
140<\/td>\nStrategy 7.1 \u2013 Provide Appropriate Outdoor Air Quantities for Each Room or Zone <\/td>\n<\/tr>\n
143<\/td>\nStrategy 7.2 \u2013 Continuously Monitor and Control Outdoor Air Delivery <\/td>\n<\/tr>\n
147<\/td>\nStrategy 7.3 \u2013 Effectively Distribute Ventilation Air to the Breathing Zone <\/td>\n<\/tr>\n
150<\/td>\nStrategy 7.4 \u2013 Effectively Distribute Ventilation Air to Multiple Spaces <\/td>\n<\/tr>\n
152<\/td>\nStrategy 7.5 \u2013 Provide Particle Filtration and Gas-Phase Air Cleaning Consistent with Project IAQ Objectives <\/td>\n<\/tr>\n
156<\/td>\nStrategy 7.6 \u2013 Provide Comfort Conditions that Enhance Occupant Satisfaction <\/td>\n<\/tr>\n
159<\/td>\nObjective 8 \u2013 Apply More Advanced Ventilation Approaches <\/td>\n<\/tr>\n
161<\/td>\nStrategy 8.1 \u2013 Use Dedicated Outdoor Air Systems Where Appropriate <\/td>\n<\/tr>\n
165<\/td>\nStrategy 8.2 \u2013 Use Energy Recovery Ventilation Where Appropriate <\/td>\n<\/tr>\n
167<\/td>\nStrategy 8.3 \u2013 Use Demand-Controlled Ventilation Where Appropriate <\/td>\n<\/tr>\n
171<\/td>\nStrategy 8.4 \u2013 Use Natural or Mixed-Mode Ventilation Where Appropriate <\/td>\n<\/tr>\n
175<\/td>\nStrategy 8.5 \u2013 Use the ASHRAE Standard 62.1 IAQ Procedure Where Appropriate <\/td>\n<\/tr>\n
179<\/td>\nPart I References and Bibliography <\/td>\n<\/tr>\n
182<\/td>\nPART II\u2014Detailed Guidance
Detailed Information for Design, Construction, and Commissioning for IAQ <\/td>\n<\/tr>\n
183<\/td>\nObjective 1 \u2013 Manage the Design and Construction Process to Achieve Good IAQ
Strategy 1.1 \u2013 Integrate Design Approach and Solutions
Introduction <\/td>\n<\/tr>\n
184<\/td>\nCurrent Trends call for Integrated Design <\/td>\n<\/tr>\n
185<\/td>\nIndoor Environmental Quality is Best Served by Integrated Design
Examples of Integrated Design Solutions
Integration of Envelope, Illumination, and Mechanical Design <\/td>\n<\/tr>\n
186<\/td>\nIntegration of Interior Architecture with Illumination, Air Quality, and Thermal Control Strategies
Use of Hybrid Ventilation, Occupant Control, and Daylight <\/td>\n<\/tr>\n
187<\/td>\nLeadership and Communication with Integrated Design <\/td>\n<\/tr>\n
188<\/td>\nThe Importance of the Conceptual Design Phase
Laying the Groundwork for an Interactive Process
IAQ Considerations During Conceptual Design <\/td>\n<\/tr>\n
190<\/td>\nIAQ Throughout the Design and Construction Phases <\/td>\n<\/tr>\n
191<\/td>\nReferences <\/td>\n<\/tr>\n
192<\/td>\nStrategy 1.2 \u2013 Commission to Ensure that the Owner\u2019s IAQ Requirements are Met
Introduction <\/td>\n<\/tr>\n
193<\/td>\nPre-Design Phase Commissioning
Commissioning Team: Specialists Needed for IAQ Items <\/td>\n<\/tr>\n
194<\/td>\nOwner\u2019s Project Requirements for IAQ <\/td>\n<\/tr>\n
197<\/td>\nCommissioning Scope and Budget Related to IAQ <\/td>\n<\/tr>\n
199<\/td>\nSpecial Project Schedule Needs for IAQ
Design Phase Commissioning
IAQ Basis of Design (BoD) <\/td>\n<\/tr>\n
201<\/td>\nDesign Review for IAQ <\/td>\n<\/tr>\n
202<\/td>\nConstruction Process Requirements
Construction Checklists for IAQ <\/td>\n<\/tr>\n
204<\/td>\nConstruction Phase Commissioning <\/td>\n<\/tr>\n
206<\/td>\nCoordination for IAQ
Review of Submittals for IAQ <\/td>\n<\/tr>\n
207<\/td>\nConstruction Observation\/Verification for IAQ
Functional Testing for IAQ <\/td>\n<\/tr>\n
208<\/td>\nSystems Manual and O&M Training for IAQ
Occupancy and Operations <\/td>\n<\/tr>\n
212<\/td>\nReferences <\/td>\n<\/tr>\n
214<\/td>\nStrategy 1.3 \u2013 Select HVAC Systems to Improve IAQ and Reduce the Energy Impacts of Ventilation
Introduction
HVAC System IAQ Design Principles
Integrated Design Considerations <\/td>\n<\/tr>\n
215<\/td>\nEnergy Conservation and Environmental Considerations <\/td>\n<\/tr>\n
216<\/td>\nMixed-Mode Ventilation
Displacement Ventilation Systems
Thermal Comfort Considerations <\/td>\n<\/tr>\n
217<\/td>\nUser-Owner IEQ\/IAQ Expectations
Regional\/Local and Project-Specific IAQ Issues
Building Pressurization Control <\/td>\n<\/tr>\n
219<\/td>\nSpace Humidity Control <\/td>\n<\/tr>\n
220<\/td>\nParticle Filtration Control <\/td>\n<\/tr>\n
221<\/td>\nHVAC System Options and General IAQ Requirements
Constant Volume (CV) with or without Reheat <\/td>\n<\/tr>\n
223<\/td>\nVariable-Air-Volume (VAV) with Reheat <\/td>\n<\/tr>\n
224<\/td>\nDual Duct Dual Fan (DDDF) Systems <\/td>\n<\/tr>\n
226<\/td>\nMulti-Zone Systems <\/td>\n<\/tr>\n
227<\/td>\nFan-Coil (FC) Systems <\/td>\n<\/tr>\n
228<\/td>\nFan-Powered Box (FPB) Systems <\/td>\n<\/tr>\n
231<\/td>\nSelf-Contained Air-Conditioning Systems <\/td>\n<\/tr>\n
232<\/td>\nHVAC System Selection Procedure
Integrated Design Choice Mechanism
HVAC System Comparison Analysis <\/td>\n<\/tr>\n
235<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
237<\/td>\nStrategy 1.4 \u2013 Employ Project Scheduling and Manage Construction Activities to Facilitate Good IAQ
Introduction
Building Conception
Early Planning and Organization <\/td>\n<\/tr>\n
238<\/td>\nProject Incentives\/Goals
Design Development
Construction Products\/Materials Selection
Equipment Access and Installation Logistics <\/td>\n<\/tr>\n
239<\/td>\nPhasing of Projects
Construction Documents
IAQ Schedule Requirements <\/td>\n<\/tr>\n
240<\/td>\nConstruction
Sequencing of Construction Activities
Schedule Compression <\/td>\n<\/tr>\n
241<\/td>\nOperation of Permanent HVAC Equipment During Construction
Inspection Access
Post Construction
Building Flush-Out <\/td>\n<\/tr>\n
242<\/td>\nRetrofits and Remodels <\/td>\n<\/tr>\n
243<\/td>\nReferences <\/td>\n<\/tr>\n
244<\/td>\nStrategy 1.5 \u2013 Facilitate Effective Operation and Maintenance for IAQ
Introduction
Considering O&M Capabilities in System Selection <\/td>\n<\/tr>\n
249<\/td>\nInvolving O&M Staff in Planning, Design, Construction, and Commissioning <\/td>\n<\/tr>\n
250<\/td>\nProviding O&M Documentation that Facilitates Delivery of the Design Intent <\/td>\n<\/tr>\n
251<\/td>\nOwner\u2019s Project Requirements and Basis of Design <\/td>\n<\/tr>\n
256<\/td>\nRecord Documents
Commissioning Report <\/td>\n<\/tr>\n
257<\/td>\nOperations Manual <\/td>\n<\/tr>\n
259<\/td>\nTraining Manual
Maintenance Manual <\/td>\n<\/tr>\n
261<\/td>\nFormat of O&M Documentation <\/td>\n<\/tr>\n
262<\/td>\nProviding O&M Training to Support Delivery of the Design Intent <\/td>\n<\/tr>\n
263<\/td>\nPrioritizing O&M for IAQ <\/td>\n<\/tr>\n
267<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
269<\/td>\nObjective 2 \u2013 Control Moisture in Building Assemblies
Strategy 2.1 \u2013 Limit Penetration of Liquid Water into the Building Envelope
Introduction
Sources of Water Penetration <\/td>\n<\/tr>\n
270<\/td>\nDesign Features to Prevent Water Penetration
Site Drainage <\/td>\n<\/tr>\n
272<\/td>\nFoundation Design <\/td>\n<\/tr>\n
276<\/td>\nWall Design <\/td>\n<\/tr>\n
277<\/td>\nRoof and Ceiling Assembly Design <\/td>\n<\/tr>\n
281<\/td>\nIce Dams <\/td>\n<\/tr>\n
282<\/td>\nConstruction
Verification
Pen Test
Pen Test Example: Rainwater Protection Continuity <\/td>\n<\/tr>\n
284<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
285<\/td>\nStrategy 2.2 \u2013 Limit Condensation of Water Vapor within the Building Envelope and on Interior Surfaces
Introduction
Designing for Airtightness
Air Barrier Design Requirements <\/td>\n<\/tr>\n
286<\/td>\nAir Pressures that Cause Infiltration and Exfiltration
Wind Pressure <\/td>\n<\/tr>\n
287<\/td>\nStack Pressure
HVAC Fan Pressure <\/td>\n<\/tr>\n
288<\/td>\nAir Barrier Systems
Continuity <\/td>\n<\/tr>\n
289<\/td>\nStructural Support
Air Impermeability <\/td>\n<\/tr>\n
290<\/td>\nDurability
\n
Air Barrier System Requirements <\/td>\n<\/tr>\n
293<\/td>\nAir Barrier Materials <\/td>\n<\/tr>\n
294<\/td>\nAir Barriers Subject to Temperature Changes
Roof Air Barriers <\/td>\n<\/tr>\n
296<\/td>\nControlling Convection in Enclosure Assemblies <\/td>\n<\/tr>\n
299<\/td>\nControlling Condensation due to Diffusion
Recommendations for Building Enclosures <\/td>\n<\/tr>\n
301<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
303<\/td>\nStrategy 2.3 \u2013 Maintain Proper Building Pressurization
Introduction
Design Considerations
Climatological Requirements
Regional and Local Outdoor Air Quality Requirements <\/td>\n<\/tr>\n
304<\/td>\nApproach to Building Usage and Layout
Building Orientation and Wind Load <\/td>\n<\/tr>\n
305<\/td>\nStack Effect <\/td>\n<\/tr>\n
307<\/td>\nBuilding Envelope
Planned Openings <\/td>\n<\/tr>\n
308<\/td>\nUnplanned Openings
HVAC System
Airflow Considerations <\/td>\n<\/tr>\n
309<\/td>\nHVAC System Dehumidification Capacity <\/td>\n<\/tr>\n
310<\/td>\nBuilding Static Pressure Monitoring and Control Strategies <\/td>\n<\/tr>\n
312<\/td>\nEconomizer Considerations <\/td>\n<\/tr>\n
314<\/td>\nConstant-Volume Exhaust Fan Considerations <\/td>\n<\/tr>\n
315<\/td>\nVariable-Air-Volume (VAV) System Considerations
Return Air Plenums
Duct Leakage <\/td>\n<\/tr>\n
316<\/td>\nAirflow Measurement <\/td>\n<\/tr>\n
318<\/td>\nVerification of Pressurization Control <\/td>\n<\/tr>\n
320<\/td>\nReferences <\/td>\n<\/tr>\n
321<\/td>\nStrategy 2.4 \u2013 Control Indoor Humidity
Introduction
Principles of Indoor Condensation <\/td>\n<\/tr>\n
322<\/td>\nWhat can go wrong? <\/td>\n<\/tr>\n
325<\/td>\nIntegrated Design Process
Indoor Conditions, Loads, and Special System Capabilities <\/td>\n<\/tr>\n
329<\/td>\nSystem Design Tips
Dedicated Outdoor Air Systems (DOAs)
Hot Gas Reheat <\/td>\n<\/tr>\n
330<\/td>\nVariable-Air Volume (VAV)
Small Packaged Systems <\/td>\n<\/tr>\n
332<\/td>\nSpecial Spaces
Dedicated Dehumidification Systems <\/td>\n<\/tr>\n
333<\/td>\nHumidification
Humidification Using Energy Recovery Ventilation <\/td>\n<\/tr>\n
334<\/td>\nType of Humidification System
Location of Humidifier <\/td>\n<\/tr>\n
335<\/td>\nHumidity Levels
Maintenance Specification
Monitoring Humidity and Automatic Control <\/td>\n<\/tr>\n
336<\/td>\nReferences <\/td>\n<\/tr>\n
337<\/td>\nStrategy 2.5 \u2013 Select Suitable Materials, Equipment, and Assemblies for Unavoidably Wet Areas
Introduction
Indoor Areas Subject to Repeated Wetting
Problems Associated with Wet Materials <\/td>\n<\/tr>\n
338<\/td>\nMaterials Susceptible to Moisture Damage
Selection of Moisture-Resistant Materials <\/td>\n<\/tr>\n
344<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
345<\/td>\nStrategy 2.6 \u2013 Consider Impact of Landscaping and Indoor Plants on Moisture and Contaminant Levels
Introduction
Outdoor Plantings
Green Roofs <\/td>\n<\/tr>\n
347<\/td>\nGreen Facades and Vertical Gardens <\/td>\n<\/tr>\n
348<\/td>\nIndoor Plantings
Potted Plants <\/td>\n<\/tr>\n
349<\/td>\nMoisture Content, Water Activity, and Dampness <\/td>\n<\/tr>\n
352<\/td>\nReferences <\/td>\n<\/tr>\n
354<\/td>\nObjective 3 \u2013 Limit Entry of Outdoor Contaminants
Strategy 3.1 \u2013 Investigate Regional and Local Outdoor Air Quality
Introduction
Assessment
Determine Compliance with NAAQS
Determine Whether Local Sources are Present
NAAQS Particles
Particulate Matter \u2014 PM10 <\/td>\n<\/tr>\n
355<\/td>\nParticulate Matter \u2014 PM2.5
Lead
NAAQS Gases
Ozone <\/td>\n<\/tr>\n
356<\/td>\nNitrogen Dioxide (NO2)
Sulfur Dioxide (SO2) <\/td>\n<\/tr>\n
357<\/td>\nCarbon Monoxide (CO) <\/td>\n<\/tr>\n
358<\/td>\nOther Pollutants
Dust
Volatile Organic Compounds (VOCs)
Odors <\/td>\n<\/tr>\n
359<\/td>\nReferences <\/td>\n<\/tr>\n
360<\/td>\nStrategy 3.2 \u2013 Locate Outdoor Air Intakes to Minimize Introduction of Contaminants
Introduction
Applicable Codes, Standards, and Other Guidance <\/td>\n<\/tr>\n
364<\/td>\nExhaust Vents <\/td>\n<\/tr>\n
365<\/td>\nCooling Towers, Evaporative Condensors, and Fluid Coolers <\/td>\n<\/tr>\n
366<\/td>\nLaboratory Fume Hood and Exhaust Stacks
Other Sources of Contamination
Plumbing Vents <\/td>\n<\/tr>\n
367<\/td>\nWind Tunnel Modeling, Computer Simulations, and Computational Fluid Dynamics (CFD)
Special Considerations for Packaged HVAC Units <\/td>\n<\/tr>\n
371<\/td>\nReferences <\/td>\n<\/tr>\n
373<\/td>\nStrategy 3.3 \u2013 Control Entry of Radon
Introduction
Why Radon Control is Important
Sources of Radon
Action Levels and Available Radon Measurements from U.S. Buildings <\/td>\n<\/tr>\n
374<\/td>\nAssessment
Regional Radon Potential <\/td>\n<\/tr>\n
375<\/td>\nLocal Radon Potential
Other Considerations <\/td>\n<\/tr>\n
377<\/td>\nControlling Radon Entry
Active Soil Depressurization (ASD) <\/td>\n<\/tr>\n
381<\/td>\nSealing of Radon Entry Routes <\/td>\n<\/tr>\n
384<\/td>\nBuilding Pressurization <\/td>\n<\/tr>\n
385<\/td>\nQuality Assurance of Radon Control Measures
Quality Assurance Steps
O&M Documentation and Training for Radon Control Systems <\/td>\n<\/tr>\n
388<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
391<\/td>\nStrategy 3.4 \u2013 Control Intrusion of Vapors from Subsurface Contaminants
Introduction <\/td>\n<\/tr>\n
392<\/td>\nScreening and Assessment
Federal Guidance <\/td>\n<\/tr>\n
393<\/td>\nState Guidance
ASTM E2600-08: A National Standard for Assessment of Vapor Intrusion in Real Estate Transactions <\/td>\n<\/tr>\n
394<\/td>\nASTM Tier 1 Screeningt <\/td>\n<\/tr>\n
398<\/td>\nASTM Tier 2 Screening <\/td>\n<\/tr>\n
399<\/td>\nASTM Tier 3 Assessment <\/td>\n<\/tr>\n
400<\/td>\nSite Remediation and Institutional Controls
Site Remediation <\/td>\n<\/tr>\n
401<\/td>\nInstitutional Controls
Building Mitigation
Relationship to Radon Mitigation Techniques
Advantages of Mitigation as Part of Initial Design and Construction
Regulatory Requirements <\/td>\n<\/tr>\n
402<\/td>\nInterstate Technology & Regulatory Council (ITRC) Guidance <\/td>\n<\/tr>\n
405<\/td>\nActive Soil Depressurization (ASD) <\/td>\n<\/tr>\n
406<\/td>\nSealing of Vapor Intrusion Routes
Gas Vapor Barriers <\/td>\n<\/tr>\n
408<\/td>\nPassive Venting <\/td>\n<\/tr>\n
409<\/td>\nBuilding Pressurization <\/td>\n<\/tr>\n
411<\/td>\nOther Approaches <\/td>\n<\/tr>\n
412<\/td>\nEffect of Chemicals of Concern on Mitigation System Design
Quality Assurance of Vapor Intrusion Mitigation Systems <\/td>\n<\/tr>\n
413<\/td>\nOperation, Maintenance, and Monitoring of Mitigation Systems
Synergies and Conflicts <\/td>\n<\/tr>\n
414<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
417<\/td>\nStrategy 3.5 \u2013 Provide Track-Off Systems at Entrances
Introduction
Contaminants Tracked into Buildings by Occupants
Landscaping and Building Approaches <\/td>\n<\/tr>\n
418<\/td>\nTrack-Off Systems
Scraper Mats
Absorption Mats
Finishing Mats <\/td>\n<\/tr>\n
419<\/td>\nMaintenance <\/td>\n<\/tr>\n
420<\/td>\nReferences <\/td>\n<\/tr>\n
421<\/td>\nStrategy 3.6 \u2013 Design and Build to Exclude Pests
Introduction
Pest Prevention Goals and Objectives
Pests of Concern <\/td>\n<\/tr>\n
423<\/td>\nPest Entry Points <\/td>\n<\/tr>\n
425<\/td>\nPest Dispersal Throughout Building <\/td>\n<\/tr>\n
427<\/td>\nPest Access to Food and Water Resources <\/td>\n<\/tr>\n
428<\/td>\nAreas of Potential Pest Harborage <\/td>\n<\/tr>\n
431<\/td>\nAccess for Maintenance and Pest Control Activities
Appropriate Materials Selection for Sealing <\/td>\n<\/tr>\n
434<\/td>\nSupplemental Pesticide Use <\/td>\n<\/tr>\n
436<\/td>\nConstruction Site Management <\/td>\n<\/tr>\n
437<\/td>\nReferences <\/td>\n<\/tr>\n
438<\/td>\nObjective 4 \u2013 Control Moisture and Contaminants Related to Mechanical Systems
Strategy 4.1 \u2013 Control Moisture and Dirt in Air-Handling Systems
Introduction <\/td>\n<\/tr>\n
439<\/td>\nOutdoor Air Intakes and Air Inlet Areaways
Filters and Microbial Growth in HVAC Equipment
Water Accumulation in HVAC Drain Pans <\/td>\n<\/tr>\n
440<\/td>\nMoisture Carryover from Cooling Coils
Smooth and Cleanable Surfaces <\/td>\n<\/tr>\n
442<\/td>\nDuct Liner
Impact of Humidifier Moisture on Airstream Surfaces <\/td>\n<\/tr>\n
445<\/td>\nReferences <\/td>\n<\/tr>\n
446<\/td>\nStrategy 4.2 \u2013 Control Moisture Associated with Piping, Plumbing Fixtures, and Ductwork
Introduction
Limiting Condensation
Limiting Leaks <\/td>\n<\/tr>\n
447<\/td>\nProviding a Plumbing System O&M Guide
References <\/td>\n<\/tr>\n
448<\/td>\nStrategy 4.3 \u2013 Facilitate Access to HVAC Systems for Inspection, Cleaning, and Maintenance
Introduction
Access in Design Documents
Locations that Facilitate Access <\/td>\n<\/tr>\n
449<\/td>\nMinimum Clearance Distances
Critical AHU Components <\/td>\n<\/tr>\n
450<\/td>\nAir Distribution System
System Balancing and Monitoring Access <\/td>\n<\/tr>\n
451<\/td>\nTerminal Equipment
Electrical Code Access Criteria <\/td>\n<\/tr>\n
452<\/td>\nAccess Door\/Panel\/View Port Requirements <\/td>\n<\/tr>\n
453<\/td>\nAccess During Construction
Coordination with Trades
Review of Submittals
Field Changes <\/td>\n<\/tr>\n
454<\/td>\nMonitoring Installations
Unanticipated Access Requirements
Compliance with SMACNA HVAC Duct Construction Standards <\/td>\n<\/tr>\n
455<\/td>\nRepeated Access
References <\/td>\n<\/tr>\n
456<\/td>\nStrategy 4.4 \u2013 Control Legionella in Water Systems
Introduction <\/td>\n<\/tr>\n
457<\/td>\nControl of Legionella in Cooling Towers
Proper Siting (Building Siting, Mists, Building Openings)
Operation and Maintenance <\/td>\n<\/tr>\n
458<\/td>\nControl of Legionella in Water Systems
Storage Temperatures in Hot Water Tanks
Design Considerations for Potable Water Systems
\n
Legionella in Other Water Systems
Emergency Disinfection of Water Systems <\/td>\n<\/tr>\n
459<\/td>\nEnvironmental Monitoring for Culturable Legionella <\/td>\n<\/tr>\n
461<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
462<\/td>\nStrategy 4.5 \u2013 Consider Ultraviolet Germicidal Irradiation
Introduction <\/td>\n<\/tr>\n
463<\/td>\nUVGI in HVAC Systems
UVGI and IAQ <\/td>\n<\/tr>\n
464<\/td>\nSafety with UVGI <\/td>\n<\/tr>\n
466<\/td>\nReferences <\/td>\n<\/tr>\n
468<\/td>\nObjective 5 \u2013 Limit Contaminants from Indoor Sources
Strategy 5.1 \u2013 Control Indoor Contaminant Sources through Appropriate Material Selection
Introduction
Contaminant Emissions: Basic Concepts <\/td>\n<\/tr>\n
470<\/td>\nVOCs\u2014Total vs. Target: Irritancy, Odor, and Health Impact <\/td>\n<\/tr>\n
471<\/td>\nSemi-Volatile Organic Compounds (SVOCs) <\/td>\n<\/tr>\n
472<\/td>\nIndoor Chemistry \u2013 Secondary Emissions <\/td>\n<\/tr>\n
473<\/td>\nIAQ Guidelines, Standards and Specifications <\/td>\n<\/tr>\n
475<\/td>\nShades of Green \u2013 Environmentally Preferred Products <\/td>\n<\/tr>\n
478<\/td>\nProduct Information \u2013 Composition vs Emissions
\n
Emissions Behavior <\/td>\n<\/tr>\n
480<\/td>\nEmissions Data: Available Information
Manufacturer-Supplied Information: MSDSs <\/td>\n<\/tr>\n
481<\/td>\nLabels: Content-Based
\n <\/td>\n<\/tr>\n
483<\/td>\nLabels: Emissions-Based
\n <\/td>\n<\/tr>\n
488<\/td>\nEmissions Databases <\/td>\n<\/tr>\n
490<\/td>\nPriority Materials\/Finishes\/Furnishings
Architectural Coatings <\/td>\n<\/tr>\n
492<\/td>\nFlooring Materials <\/td>\n<\/tr>\n
496<\/td>\nComposite Wood \/ Agrifiber Materials <\/td>\n<\/tr>\n
499<\/td>\nCaulks, Sealants & Adhesives
\n <\/td>\n<\/tr>\n
500<\/td>\nCeiling Tiles
\n
PVC Materials <\/td>\n<\/tr>\n
501<\/td>\nInsulation Materials <\/td>\n<\/tr>\n
502<\/td>\nPorous or Fleecy Materials
Flame-Retardant materials <\/td>\n<\/tr>\n
503<\/td>\nStructural Materials
HVAC components <\/td>\n<\/tr>\n
504<\/td>\nOffice Furniture Systems <\/td>\n<\/tr>\n
506<\/td>\nOffice Equipment <\/td>\n<\/tr>\n
509<\/td>\nReferences <\/td>\n<\/tr>\n
520<\/td>\nStrategy 5.2 \u2013 Employ Strategies to Limit the Impact of Emissions
Introduction
Control of Emissions through Use of VOC Barriers <\/td>\n<\/tr>\n
521<\/td>\nMaterial Conditioning and In-Place Curing <\/td>\n<\/tr>\n
522<\/td>\nLocal Exhaust of Unavoidable Sources <\/td>\n<\/tr>\n
523<\/td>\nStaged Entry of Materials
Delayed Occupancy
Reasons to Avoid Use of Building Bake-Out <\/td>\n<\/tr>\n
524<\/td>\nBuilding Flush-Out <\/td>\n<\/tr>\n
525<\/td>\nVentilation Rates and HVAC Schedules
Indoor Environmental Conditions
Filtration and Air Cleaning <\/td>\n<\/tr>\n
526<\/td>\nReferences <\/td>\n<\/tr>\n
527<\/td>\nStrategy 5.3 \u2013 Minimize IAQ Impacts Associated with Cleaning and Maintenance
Introduction
Selecting Durable Materials and Finishes that are Simple to Clean and Maintain <\/td>\n<\/tr>\n
528<\/td>\nRecommending Cleaning Products with Minimal Emissions <\/td>\n<\/tr>\n
531<\/td>\nProviding Appropriate Storage for Cleaning Products
Recommending Cleaning Protocols that will have Minimal IAQ Impact <\/td>\n<\/tr>\n
533<\/td>\nReferences <\/td>\n<\/tr>\n
535<\/td>\nObjective 6 \u2013 Capture and Exhaust Contaminants from Building Equipment and Activities
Strategy 6.1 \u2013 Properly Vent Combustion Equipment
Introduction
Capture and Exhaust of Combustion Products
\n
Chimneys (Nonmechanical, Natural Exhaust) <\/td>\n<\/tr>\n
536<\/td>\nInduced Draft (Powered, Negative-Pressure Exhaust)
Forced Draft (Powered, Positive-Pressure Exhaust)
Design and Installation
\n
Outdoor Air for Combustion <\/td>\n<\/tr>\n
537<\/td>\nProper Operation and Maintenance of Equipment
Commissioning <\/td>\n<\/tr>\n
538<\/td>\nReferences <\/td>\n<\/tr>\n
539<\/td>\nStrategy 6.2 \u2013 Provide Local Capture and Exhaust for Point Sources of Contaminants
Introduction
Capturing Contaminants as Close to the Source as Possible and Exhausting Directly to the Outdoors <\/td>\n<\/tr>\n
540<\/td>\nMaintaining Area in which Contaminants are Generated at a Negative Pressure Relative to Surrounding Spaces <\/td>\n<\/tr>\n
542<\/td>\nEnclosing Areas where Contaminants are Generated
\n <\/td>\n<\/tr>\n
543<\/td>\nReferences <\/td>\n<\/tr>\n
544<\/td>\nStrategy 6.3 \u2013 Design Exhaust Systems to Prevent Leakage of Exhaust Air into Occupied Spaces or Air Distribution Systems
Introduction
Effectively Sealing Ductwork to Limit Potential for Duct Leakage <\/td>\n<\/tr>\n
546<\/td>\nProviding a Proper Outdoor Discharge Position and Configuration <\/td>\n<\/tr>\n
548<\/td>\nMaintaining Exhaust Ducts in Plenum Spaces under Negative Pressure <\/td>\n<\/tr>\n
549<\/td>\nReferences <\/td>\n<\/tr>\n
550<\/td>\nStrategy 6.4 \u2013 Maintain Proper Pressure Relationships Between Spaces
Introduction
Space Usage
Common Space Types <\/td>\n<\/tr>\n
551<\/td>\nSpace Layout
Space Envelope <\/td>\n<\/tr>\n
553<\/td>\nCompartmentalization
\nHVAC System
Airflow Rate Considerations
\n
Airflow Monitoring and Control <\/td>\n<\/tr>\n
555<\/td>\nReturn Air Plenums
Duct Leakage
Airflow Measurement <\/td>\n<\/tr>\n
556<\/td>\nVerification
References <\/td>\n<\/tr>\n
557<\/td>\nObjective 7 \u2013 Reduce Contaminant Concentrations through Ventilation, Filtration, and Air Cleaning
Strategy 7.1 \u2013 Provide Appropriate Outdoor Air Quantities for Each Room or Zone
Introduction
Basic Theory <\/td>\n<\/tr>\n
558<\/td>\nFrom Theory to Reality
People-Related and Space-Related Ventilation Requirements
Calculating Minimum Ventilation Rates for Each Zone Using the Ventilation Rate Procedure in ASHRAE Standard 62.1-2007
\n <\/td>\n<\/tr>\n
559<\/td>\nOccupancy Category
\n <\/td>\n<\/tr>\n
560<\/td>\nBoundaries for Zones and Corresponding Areas
Adjusting Outdoor Airflow Rates
Considering Increased Outdoor Airflow Rates when Outdoor Air Quality is Good
Temporarily Decreasing Outdoor Airflow Rates
\n
Advanced Ventilation Design <\/td>\n<\/tr>\n
562<\/td>\nReferences <\/td>\n<\/tr>\n
563<\/td>\nStrategy 7.2 \u2013 Continuously Monitor and Control Outdoor Air Delivery
Introduction
Direct Measurement of Airflow
Straight Ducts <\/td>\n<\/tr>\n
564<\/td>\nHVAC Systems with Economizers <\/td>\n<\/tr>\n
565<\/td>\nSmall Packaged HVAC Systems
Placement of Airflow Sensors
\n <\/td>\n<\/tr>\n
566<\/td>\nAccuracy and Calibration of Airflow Sensors <\/td>\n<\/tr>\n
568<\/td>\nIndirect Methods of Measuring Minimum Outdoor Airs
Plenum Pressure Control
\n <\/td>\n<\/tr>\n
569<\/td>\nThe CO2 or Temperature Method
Design Issues for Commissioning , Operation, and Maintenance
\n <\/td>\n<\/tr>\n
571<\/td>\nReferences <\/td>\n<\/tr>\n
572<\/td>\nStrategy 7.3 \u2013 Effectively Distribute Ventilation Air to the Breathing Zone
Introduction
Zone Air Distribution Effectiveness
The Effect of Ducted Systems on Air Delivery <\/td>\n<\/tr>\n
574<\/td>\nDucted
Non-Ducted
References <\/td>\n<\/tr>\n
575<\/td>\nStrategy 7.4 \u2013 Effectively Distribute Ventilation Air to Multiple Spaces
Introduction
Constant Volume (CV) <\/td>\n<\/tr>\n
576<\/td>\nVariable-Air-Volume (VAV)
Secondary Recirculation <\/td>\n<\/tr>\n
578<\/td>\nParallel Fan-Powered Box
\n
Series Fan-Powered Box <\/td>\n<\/tr>\n
579<\/td>\nDucted vs. Plenum Return
\n
Transfer Fan
Other Systems (Less Commonly Used)
Changeover Bypass VAV
Dual Fan Dual Duct <\/td>\n<\/tr>\n
580<\/td>\nInduction Unit
References <\/td>\n<\/tr>\n
581<\/td>\nStrategy 7.5 \u2013 Provide Particle Filtration and Gas-Phase Air Cleaning Consistent with Project IAQ Objectives
Introduction
FAC Equipment Selection and Specification Guidance <\/td>\n<\/tr>\n
583<\/td>\nSelection Guidance: Particulate Filters <\/td>\n<\/tr>\n
586<\/td>\nSelection Guidance: Gas-Phase Air Cleaners <\/td>\n<\/tr>\n
588<\/td>\nAir Capture and Seal <\/td>\n<\/tr>\n
590<\/td>\nFAC System Location
Using the IAQ Procedure <\/td>\n<\/tr>\n
592<\/td>\nDesign Process Protocol
Performance Evaluation and Considerations of FAC Alternatives
Particulate Filter Efficiency Evaluation\u2014MERV <\/td>\n<\/tr>\n
595<\/td>\nGas-Phase Air Cleaner Efficiency Evaluation <\/td>\n<\/tr>\n
596<\/td>\nMaximizing the Value and Performance of FAC
Life-Cycle Analysis <\/td>\n<\/tr>\n
598<\/td>\nHow to Maximize the Life Cycle and Performance of FAC <\/td>\n<\/tr>\n
601<\/td>\nEnergetic Filters <\/td>\n<\/tr>\n
603<\/td>\nReferences <\/td>\n<\/tr>\n
604<\/td>\nStrategy 7.6 \u2013 Provide Comfort Conditions that Enhance Occupant Satisfaction
Introduction
Basic Thermal Comfort
Zoning and Occupant Control
\n <\/td>\n<\/tr>\n
605<\/td>\nPart-Load Humidity and Velocity Control
Operational Strategy and Design Implicationsy <\/td>\n<\/tr>\n
606<\/td>\nThermal Radiation
Air Movement <\/td>\n<\/tr>\n
611<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
612<\/td>\nObjective 8 \u2013 Apply More Advanced Ventilation Approaches
Strategy 8.1 \u2013 Use Dedicated Outdoor Air Systems Where Appropriate
Introduction
Characteristics of DOASs
100% Outdoor Air
Latent Load Capability
Energy Recovery
Components of DOASs
Cooling Coils <\/td>\n<\/tr>\n
613<\/td>\nTotal (Enthalpy) Energy Recovery
Sensible Energy Recovery
Passive Dehumidification Component (PDHC)
Active Desiccant Wheel
\n <\/td>\n<\/tr>\n
614<\/td>\nAir Distribution
DOAS Combinations
Enthalpy Energy Recovery + Cooling Coil
Enthalpy Energy Recovery + Cooling Coil + Passive Dehumidification Component
Other DOAS Combinations <\/td>\n<\/tr>\n
615<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
616<\/td>\nStrategy 8.2 \u2013 Use Energy Recovery Ventilation Where Appropriate
Introduction
Types of Air-to-Air Energy Recovery Devices
Energy Recovery Wheel <\/td>\n<\/tr>\n
617<\/td>\nFixed Plate with Latent Transfer
Fixed Plate
Heat Pipe
Runaround Loops
General Design Considerations
Appropriate Filtration
Controls <\/td>\n<\/tr>\n
618<\/td>\nSizing of Equipment
Condensation
Fouling and Corrosion
Sensible Heat Ratio <\/td>\n<\/tr>\n
620<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
621<\/td>\nStrategy 8.3 \u2013 Use Demand-Controlled Ventilation Where Appropriate
Introduction
DCV Applications
DCV Systems
Design Considerations <\/td>\n<\/tr>\n
623<\/td>\nCO2-Based DCV <\/td>\n<\/tr>\n
624<\/td>\nDesign and Other Considerations <\/td>\n<\/tr>\n
627<\/td>\nCode and Green Building Requirements for CO2-Based DCV
Non-CO2-Based DCV
\n <\/td>\n<\/tr>\n
628<\/td>\nDCV in Multiple-Zone Systems
\n <\/td>\n<\/tr>\n
629<\/td>\nReferences <\/td>\n<\/tr>\n
631<\/td>\nStrategy 8.4 \u2013 Use Natural or Mixed-Mode Ventilation Where Appropriate
Introduction
Natural\/ Mixed-Mode\/Hybrid Ventilation System
Design Principles <\/td>\n<\/tr>\n
633<\/td>\nComfort Expectations
Integrated Design <\/td>\n<\/tr>\n
634<\/td>\nApplications for Natural Ventilation Cooling <\/td>\n<\/tr>\n
635<\/td>\nAppropriate Climatic Conditions
Appropriate Building Programming <\/td>\n<\/tr>\n
639<\/td>\nMixed-Mode Ventilation
Contingency Mixed-Mode
Zoned Mixed-Mode
Changeover Mixed-Mode
Concurrent Mixed-Mode
Control of Ventilation <\/td>\n<\/tr>\n
640<\/td>\nAutomatic Integrated Control for Windows\/Vents
Complimentary Design Techniques <\/td>\n<\/tr>\n
644<\/td>\nDesign Tools and Calculations <\/td>\n<\/tr>\n
645<\/td>\nManual Calculations <\/td>\n<\/tr>\n
646<\/td>\nComputerized Explicit Envelope Flow Models
Cost-Benefit Analysis
Capital Costs <\/td>\n<\/tr>\n
650<\/td>\nReferences <\/td>\n<\/tr>\n
651<\/td>\nStrategy 8.5 \u2013 Use the ASHRAE Standard 62.1 IAQ Procedure Where Appropriate
Introduction
History of the IAQP <\/td>\n<\/tr>\n
652<\/td>\nWhen to Use the IAQP <\/td>\n<\/tr>\n
653<\/td>\nApplying the IAQP
Mass Balance <\/td>\n<\/tr>\n
654<\/td>\nSuccessful Buildings
Contaminant Air Monitoring or Testing <\/td>\n<\/tr>\n
655<\/td>\nCombination with VRP <\/td>\n<\/tr>\n
656<\/td>\nProcess for Applying the IAQP
IAQP Design Process Flowchart
Selection of Contaminants of Concern (CoC) <\/td>\n<\/tr>\n
659<\/td>\nDocumentation
References <\/td>\n<\/tr>\n
660<\/td>\nAppendix A \u2013 Environmental Monitoring (Strategy 1.2) <\/td>\n<\/tr>\n
666<\/td>\nAppendix B \u2013 Understanding Vapor Barriers (Strategy 2.2) <\/td>\n<\/tr>\n
677<\/td>\nAppendix C \u2013 Dehumidification in Virginia (Strategy 2.4) <\/td>\n<\/tr>\n
681<\/td>\nAppendix D \u2013 Separation of Exhaust Outlets and Outdoor Air Intakes (Strategy 3.2) <\/td>\n<\/tr>\n
684<\/td>\nAppendix E \u2013 Additional Information on Radon Control (Strategy 3.3) <\/td>\n<\/tr>\n
692<\/td>\nAppendix F \u2013 Additional Information on Material Emissions (Strategy 5.1) <\/td>\n<\/tr>\n
707<\/td>\nAppendix G \u2013 Single-Path Multiple-Zone System Design (Strategy 7.4) <\/td>\n<\/tr>\n
716<\/td>\nAppendix H \u2013 Carbon Dioxide Generation Rates (Strategy 8.3) <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Indoor Air Quality Guide: Best Practices for Design, Construction and Commissioning, 2nd Edition<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASHRAE<\/b><\/a><\/td>\n2014<\/td>\n718<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":430092,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2719],"product_tag":[],"class_list":{"0":"post-430084","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ashrae","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/430084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/430092"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=430084"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=430084"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=430084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}