Updated:
Projects may exceed 500 µg/m³ in total VOCs (part 1c), so long as the following individual component VOCs do not exceed the limits listed in CDPH/EHLB/Standard Method V1.1, Table 4.1 (one half the Chronic Reference Exposure Levels (CREL) issued by Office of Environmental Health Hazard Assessment):

For Part 1a, remove: "inside the building". Add: "inside the project"

Where projects are restricted from implementing a demand-controlled ventilation system or are unable to retrofit the existing ventilation system to be demand-controlled, the requirements of Feature 03 Part 2 may be met through the following conditions for outdoor air supply rate, whichever is more stringent:
1. Exceed the ventilation rates set in ASHRAE 62.1-2013 (Ventilation Rate Procedure or IAQ Procedure) by 40%. Note that if this feature part applies to more than 50% of the total floor area at the project site, projects are not eligible to receive points for Feature 15 Part 1a.
2. Provide a ventilation supply rate of 12 L/s (25 CFM) per person or higher.

ASHRAE Standard 62.1-2007 has not been accepted as an equivalent for the requirements of Feature 03 Part 1 and 3. Note that the ventilation requirements for all space types are not equivalent between ASHRAE Standard 62.1 versions 2007 and 2013. Therefore, these reference standards cannot be considered equivalent for all projects.

CIBSE Guide A has been accepted as an alternative for the requirements in ASHRAE 62.1 2013 for Feature 3 Part 1

For Part 2b, add: "(measured at 1.2-1.8 m [4-6 ft] above the floor)" after "below 800 ppm" and add: "maximum" after "at"

EN 13779, section A. 15. 2, Table A.10 may be used to comply with Feature 03, Part 2. Note, projects must adhere to Indoor Air Category IDA 1 or 2.

CEN Standards EN 15251:2007 and EN 13779:2007 may be used in lieu of ASHRAE 62.1-2013 for Feature 03, Part 1.

The requirements of CEN Standard EN 15251-2007 must be met AND the performance requirements of CEN Standard EN 13779:2007 related to ventilation and room conditioning systems must be met (excluding section 7.3, Thermal Environment; section 7.6, Acoustic Environment; section A.16; and section A.17).

Projects must meet Category I or II as described in the standards.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To ensure adequate ventilation and high indoor air quality.'

Under Part 2, after “For all spaces” insert the following: “46.5 m² [500 ft²] or larger”

Singapore SS 553 (2016) CP Standard has not been accepted as an equivalent for ASHRAE 62.1-2013 of Feature 03. Note the building/occupancy types indicated in the Outdoor Air Supply Requirements (Table 1) is not sufficient to cover all buildings and space types for all projects in Singapore.

For Part 4a, remove: "(Ventilation Rate Procedure or IAQ Procedure) for residential buildings of 3 or fewer floors". Add: "(or more recent version) for dwelling units"

Remove: "c. Projects comply with all requirements set in the Natural Ventilation Procedure…the previous year."

Natureplus has been accepted as an alternative for the requirements of CDPH Standard Method v1.1-2010 (or later) Feature 04 Part 1, 2, 3 and 4. Note that projects must adhere to the minimum formaldehyde requirement specified in the CDPH Standard Method v1.1-2010 (or later) for VOC emissions.

Headspace GC/MS has not been accepted as an equivalent for the requirements of Feature 04 Part 4. The Headspace method does not test for all VOCs that are limited by CDPH v1.1 2010. Note that the Headspace GC/MS method does test for individual VOCs but does not test for as many VOCs as required by CDPH v1.1 2010, including formaldehyde.

The level© certification has been accepted as an alternative to the ANSI/BIFMA e3-2011 Furniture Sustainability Standard sections 7.6.1 and 7.6.2, tested in accordance with ANSI/BIFMA Standard Method M7.1-2011, requirements of Feature 04. Note that section 7.6 Low Emitting Furniture credits (7.6.1 and 7.6.2) from level© certification must be achieved.

NEN-EN-ISO 17895 has been accepted as an alternative for the requirements of Feature 04 Parts 1 and 2. Note that while NEN-EN-ISO 17895 is acceptable for determining VOC content, the products must adhere to the VOC limits set forth in CARB 2007, Suggested Control Measures (SCM) for Architectural Coatings, or South Coast Air Quality Management District (SCAQMD) Rule 1113 and Rule 1168.

The Good Environmental Choice Australia (GECA) Paints and Coatings PCv2.2iii-2012 has been accepted as an alternative for the requirements of Feature 04 Part 1.

The IS:13745-1993 testing method has not been accepted as an alternative for the requirements of CDPH Standard Method v1.1-2010 (or later) of Feature 04 Part 5 for projects in India. E1 class (EN 13986:2004) is an accepted alternative for the requirements of Feature 04 Part 5 for furniture substrates, although only for products aligned with protocols accepted under EN 13986:2004 for Europe.

Formaldehyde E1 class has been accepted as an alternative to the requirements of Feature 04, Part 5 for furniture substrates. Note that this is only acceptable for projects in Europe.
Also note that the Formaldehyde E1 class is the Option 1 performance requirement for wood panels listed within BREEAM UK New Construction: Hea 02 Indoor Air Quality. Please refer to the previously approved EP on 07 April 2017 (http://standard.wellcertified.com/air/voc-reduction?page=3&view=equivalency) for additional information on Hea 02 Indoor Air Quality.

CertiPUR has been accepted as an alternative for the requirements of Feature 04, Part 5. Note this only applies to projects in Europe, specific to polyurthane foam used in bedding and upholstered furniture. This Equivalency does not cover any other furniture or furnishing components except for the polyurethane foam. All other non-foam components of installed furniture must be separately tested and held to the limits specified in ANSI/BIFMA e3-2011 section 7.6.1 and 7.6.2, or other relevant, equivalent standard.

CertiPUR/EUROPUR has been accepted as an alternative to the requirements of Feature 04, Part 5, specific to polyurethane foam used in bedding and upholstered furniture. This Equivalency does not cover any other furniture and furnishing components except for the polyurethane foam.

EU Ecolabel for Paints and Varnishes (2014) has been accepted as an alternative for the requirements of CDPH Standard Method v1.1-2010 (or later) of Feature 04 Part 1 for Europe.

Formaldehyde E1 class has been accepted as an alternative for the requirements of CDPH Standard Method v1.1-2010 (or later) Feature 04 Part 3 for Europe.

In part description, remove: "inside the waterproofing membrane". Add: "interior" after "newly installed"

In part description, add: "interior" after "newly purchased"

In part description, add: "interior" after "newly installed"

US EPA Method 24 has been accepted as an alternative to the requirements of Feature 04 VOC Reduction, Part 2. Please note that the products must have VOC content below the allowable limits established in SCAQMD as outlined in Part 2a. This equivalency may be used only in India.

Blue Angel is approved as an acceptable equivalent to the requirements of Feature 4 VOC Reduction Part 1, 2 and 3. Note, projects must adhere to the minimum formaldehyde requirement specified in the CDPH Standard Method v1.1-2010 (or later) for VOC emissions.

OEKO-TEX is approved as an acceptable equivalent to the requirements of Feature 4 Part 4.

M1 (ISO 16000) is approved as an acceptable equivalent to the requirements of Feature 4 VOC Reduction Part 1, 2, 3, 4 and 5.

The REACH standard has not been accepted as an equivalent to the CDPH Standard Method v1.1-2010 (or later) guidelines for Feature 04 Part 5. Note that the VOC limit thresholds specified in CDPH Standard Method v1.1-2010 (or later) guidelines must be met. The VOC limit thresholds for Substances of Very High Concern (SVHC) listed in REACH are not acceptable.

EN 13964:2014 emission testing method has been accepted as an alternative for the requirements of Feature 4, Part 4 for suspended ceilings. Ceilings with heating or cooling properties and walls must meet limits set by the California Department of Public Health Standard Method v1.1-2010 (or later). Formaldehyde emission should be measured in accordance with EN 717-1:2004.

Global GreenTag has been approved as an acceptable equivalent to the requirements for Feature 04 Part 1, 2, 3, 4 and 5.

IS 101.2.2.1986 and IS 101.2.1.1988 are acceptable equivalent testing method standards in order to measure in accordance with the VOC content threshold limits specified in SCAQMD Rule 1168 for Part 2a.

Exemplary level emission criteria for BREEAM International New Construction 2016 scheme has been accepted as an equivalent standard to the California Department of Public Health (CDPH) Standard method v1.1-2010 (or later) as specified in Part 4a of this feature. The thresholds are as follows:
Formaldehyde limit of 9 µg/m³
TVOC limits of ≤ 0.3 mg/m³
The insulation materials may be tested using one of the following methodologies:
ISO 16000-9
CEN/TS 16516
CDPH Standard Method v1.1

BREEAM-NL New Construction 2014, Hea 09 - Volatile Organic Compounds, is an approved alternative to Feature 04 Parts 1-3.

eco-INSTITUT-Label (2015 version) has been deemed acceptable for Feature 04 Part 1 - 4 with the following requirement:
The formaldehyde limit of 9 µg/m³ at 28 days must be met for products using this label.

Remove: "July 1, 2005 for VOC content". Add: "Volatile organic compound (VOC) limits correspond to an effective date of July 1, 2005 and rule amendment date of January 7, 2005."

Previously published as an AAP:
The following referenced standards may be used in lieu of ANSI/BIFMA e3-2011 Furniture Sustainability Standard Section 7.6.1 and 7.6.2, testing in accordance with ANSI/BIFMA Standard Method M7.1-2011:
- the Finnish M1 label for non-upholstered furniture
- the Blue Angel label for upholstered furniture
If these standards are used, the furniture must also be separately tested for 4-phenylcyclohexane and total aldehydes and held to the same limits specified in ANSI/BIFMA e3-2011 section 7.6.1 and 7.6.2

Previously published as an AAP:
Products and materials that have an A or A+ class rating under the French legislation on VOC emissions meet the requirements of Parts 1, 2, 3, and 4.

Updated:
LEED v4 EQc Low-emitting materials credit is deemed equivalent for Part 1. Please note that the project must adhere to the ""Additional VOC content requirements for wet-applied products"" section (found in LEED v4). Additionally, all newly applied paints and coatings must be in compliance.
BREEAM UK NC/RFO 2014, INC. 2016 and IRFO 2015 Hea 02: Indoor air quality - Volatile organic compound (VOC) emission levels (products) credit is deemed equivalent for Part 1. Please note the project must adhere to the Volatile organic compound (VOC) emission levels for products (found in Table 18 in the BREEAM UK New Construction 2014, Table 20 in the UK RFO 2014, Table 17 and 18 in the INC 2016). Additionally, all newly applied paints and coatings must be in compliance.

LEED v4 EQc Low-emitting materials credit is deemed equivalent for Part 2. Please note that the project must adhere to the ""Additional VOC content requirements for wet-applied products"" section (found in LEED v4). Additionally, all newly applied adhesives and sealants must be in compliance.
BREEAM UK NC/RFO 2014, INC 2016 and IRFO 2015 Hea 02: Indoor air quality - Volatile organic compound (VOC) emission levels (products)credit is deemed equivalent for Part 2. Please note the project must adhere to the Volatile organic compound (VOC) emission levels for products (found in Table 18 in the BREEAM UK New Construction 2014, Table 20 in the UK RFO 2014, Table 17 and 18 in the INC 2016). Additionally, all newly applied adhesives and sealants must be in compliance.

LEED v4 EQc Low-emitting materials credit is deemed equivalent for Part 3. Please note that the project must adhere to the ""General emissions evaluation"" section (found in LEED v4). Additionally, all newly installed flooring must be in compliance.
BREEAM UK NC/RFO 2014, INC 2016 and IRFO 2015 Hea 02: Indoor air quality - Volatile organic compound (VOC) emission levels (products) credit is deemed equivalent for Part 3. Please note the project must adhere to the Volatile organic compound (VOC) emission levels for products (found in Table 18 in the BREEAM UK New Construction 2014, Table 20 in the UK RFO 2014, Table 17 and 18 in the INC 2016). Additionally, all newly installed flooring must be in compliance.

LEED v4 EQc Low-emitting materials credit is deemed equivalent for Part 4. Please note that the project must adhere to the ""General emissions evaluation"" section (found in LEED v4). Additionally, all newly installed insulation must be in compliance.

LEED v4 EQc Low-emitting material credit is deemed equivalent for Part 5. Please note that the project must adhere to the ""Furniture evaluation"" section (found in LEED v4). Additionally, 95% (by cost) of all newly purchased furniture and furnishing must be in compliance.

Note BREEAM equivalency is only applicable for Feature 4 Parts 1-3.

Indoor Advantage Gold has been approved as an acceptable alternative for F04, Parts 1, 2, 4, and 5.

For Feature 4, Part 5, as an alternative to the formaldehyde emissions thresholds cited in ANSI/BIFMA e3-2011 7.6.2, projects may use certain approved thresholds. For systems furniture laminates: CDPH Standard Method v1.1-2010 limits (9 ug/m3) may be used. For furniture substrates: CARB Phase II limits (50 ppb for hardwood plywood with veneer core, 50 ppb for hardwood plywood with composite core, 90 ppb for particleboard, 110 ppb for medium density fiberboard, and 113 ppb for thin medium density fiberboard) may be used. Additionally, note that the project will still be required to demonstrate Feature 01: Air Quality Standards.

In Parts 3, 4 and 5 of this Feature, change 'VOC content' to 'VOC emissions'

Green Star Credit 13: Indoor Pollutants is considered partially equivalent to WELL Feature 04: VOC reduction.
Compliance with the Green Star credit is sufficient to comply with Parts 1 and 2, as well as to a portion of Part 3 (only flooring that is classified as carpeting) of the WELL feature.
Projects will still need to comply with Part 3 (all non-carpet flooring), as well as with Parts 4 and 5 in order to fully comply with the Feature.

Change “The VOC content of all newly installed thermal and acoustic insulation in ceilings and walls…” to “The VOC content of all newly installed thermal and acoustic insulation inside the waterproofing membrane…”

Under Part 1c, delete "VOC control" and replace with "VOC content".

Under Part 2c, delete "VOC control" and replace with "VOC content".