Remove: "Pestcide and herbicide use is minimized by creating a use plan based on Chapter 3 of the San Francisco Environment Code Integrated Pest Management (IPM) program". Add: "The creation of a pest management plan in place of pesticide/herbicide use, based on Chapter 3 of the San Francisco Environment Code Integrated Pest Management (IPM) program"

The UK Regulations Directive 2009/128/EC has been approved for F10, Part 1, Requirement a. Adopting organic farming principles described in Council Regulation (EC) No 834/2007 of 28 June 2007 has been approved as an acceptable method to comply with F10 Part 1, Requirement b.
Note that:
1. Any envisaged exemptions adopted from the SF IPM program has to be listed.
2. The public has to be notified of any pesticides use under exempt conditions
3. Annual update of the IPM plan
4. Display the IPM plan in the building communal area and/or on website
5. Engage organic gardening professional for design of landscaping, and if infestation occurs
6. Ensure that ongoing use of IPM is part of any FM contract that manages the landscaping

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce the presence of pests in buildings and minimizing occupant exposure to harmful chemicals.'

The Dutch Working Conditions Legislation (including the Decree, Act, and Regulation) has been approved as an alternative to AHERA for Feature 11, Part 3. Note that projects must maintain a copy of the records produced by the asbestos investigator/abatement contractor, which should be made available to the building occupants.

Asbestos inspection every three years through an agency/lab accredited by the 'National Accreditation Board for Testing and Calibration Laboratories (NABL), India' has been accepted as an alternative to the requirements of Feature 11 Part 3a.
An on-site investigation of the commercial space conducted by an agency/lab accredited by the 'National Accreditation Board for Testing and Calibration Laboratories (NABL), India', has been accepted as an alternative to the requirements of Feature 11 Part 2a. Note that projects must maintain a copy of the records produced by the asbestos investigator/abatement contractor, which should be made available to the building occupants.

Add "c. Not more than 100 ppm (by weight) added lead in all other building materials."

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce or eliminate occupant exposure to lead, asbestos, and PCBs from building materials.'

Add policy document as required documentation, remove Architect Letter of Assurance.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To limit the potential for bacteria and mold growth within buildings from water infiltration and condensation.'

For Part 1a, remove: "4,500 m³ of outdoor air per m²". Add: "4,266 m³ of outdoor air per m²"

In Part 1b, change “0.3 CFM fresh air per ft² of floor area” to “0.3 CFM outdoor air per ft² of floor area”

Previously published as AAP:
The ISO 9972-2015 - Thernal performance of buildings - Determination of air permeability of buildings - Fan Pressurization method is an acceptable alternative to meet WELL Feature 14 Part 1a.

The Green Star Innovation Challenge: Air tightness testing is an accepted equivalent to Feature 14: Air Infiltration Management. Compliance with the Green Star credit is sufficient to comply with the WELL feature.

Previously published as AAP:
In lieu of performing envelope commissioning in accordance with ASHRAE Guideline 0-2005 and NIBS Guideline 3-2012 for new construction or structural renovation), the project may complete a thermographic survey, airtightness test, and inspection and correction of defects in accordance with ATTMA TSL2 guidelines.

Remove: "The following is required in terms of the rate of outdoor air supply to all regularly occupied spaces". Add: "One of the following is required in all regularly occupied spaces"

Add: "b. Follow CIBSE AM10, Section 4, Design Calculations, to predict that room-by-room airflows will provide effective natural ventilation."

AS 1668.2 may be used in lieu of ASHRAE 62.1 for Feature 15, Part 1. Note that projects that wish to comply with AS 1668.2 must increase ventilation by 50% rather than the 30% increase required when complying with ASHRAE 62.1.

Change Part name from "Increased Fresh Air Supply" to "Increased Outdoor Air Supply"

In Part 1a, change “Exceed ASHRAE fresh air supply rates…” to “Exceed ASHRAE outdoor air supply rates…”

Projects situated in countries where local or regional standards do not pose strict requirements for relative humidity control (e.g. EN-15251) cannot earn points by not complying with the requirements of Feature 16, Part 1. Projects without dehumidification or humidification systems may earn points through Part 1b.

Low emission criteria of EPEAT has been accepted as an alternative to Ecologo CCD 035, Blue Angel RAL- UZ 171 or Green Star in Feature 17 Part 1.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To preserve air quality in occupied spaces through the isolation and proper ventilation of indoor pollution sources and chemical storage areas.'

Add: "(measured at 1.2-1.8 m [4-6 ft] above the floor)" after "once an hour"

In projects with strict data privacy requirements, the requirements of Part 3 (Environmental Measures Display) may be met by hosting the required data on a website accessible to occupants and in locations where the physical display would be located, placing signage indicating the website where the data may be accessed.

Add on-site spot checks as required verification.

For Feature 19, Part 1, a dedicated outdoor terrace can be provided. The terrace must satisfy the following requirements:
a. Must be directly accessible from the tenant space
b. Must be able to accommodate a minimum of 15% of the total regular project occupants
c. Must be adequately shaded to allow occupants to perform their work without significant glare
d. Feature 19, Part 2 and Part 3 must be addressed

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To increase the supply of high quality outdoor air and promote a connection to the outdoor environment by encouraging occupants to open windows when outdoor air quality is acceptable.'

Add Architect Letter of Assurance as required documentation, remove annotated architectural drawing.

Add Owner Letter of Assurance as required documentation, remove Architect Letter of Assurance.

For Part 1b, remove: "all applicable ASHRAE standards and codes". Add: "ventilation standards used in Feature 03 Ventilation effectiveness"

REHVA Guidebook No. 1 (Displacement Ventilation in non-industrial premises) may be used in lieu of the System Performance Evaluation and ASHRAE Guidelines RP-949 for Feature 21, Part 1.

Replace “One of the following is met for projects implementing a displacement ventilation system for heading and/or cooling:” with “Projects implement a displacement ventilation system for heating and/or cooling in which one of the following is met:”

When desk bins are used to comply with Feature 22, Part 1, Requirement b, waste must be emptied at least once per day. Bins must be lined with appropriate liners (e.g. biodegradable liners for the compost bin) that will sufficiently retain all waste and waste residue. Bins must be wiped to remove waste residue when present or at least weekly.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce the presence of pests in buildings and minimize occupant exposure to pest-related allergens.'

Inquiry: For Part 1b, our garbage cans are integrated into casework. The casework has a 6 inch opening at the top for users to insert waste. The garbage is collected from the garbage cans daily to minimize the time that waste remains in the garbage cans. Will this design meet the requirements of Part 1b?

Ruling: No, the design as described is not approved. The openings are large enough to allow pests to gain access to the garbage and allow for discarded trash to fall outside the garbage receptacle within the casework.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To improve recirculated indoor air quality through the implementation of advanced air purification strategies.'

The emission standards of Central Pollution Control Board (Government of India) has been accepted as an alternative for California’s South Coast Air Quality Management District rules for pollution in Feature 24 Part 2. However, combustion equipment for which there are no CPCB emission standards must meet California’s South Coast Air Quality Management District rules for pollution.
The following are acceptable alternatives to the requirements of Feature 24 Part 4

• Emission standards as per Bharat Stage III for Feature 24 Part 4 a
• Emission standards as per Bharat Stage III or IV for Feature 24 Part 4 b

The following European local emission standards have been approved as an acceptable equivalent for Feature 24, Part 4:
1. European Stage IV standard for non-road diesel engine vehicles or the use of non-road diesel engine vehicles equipped with diesel particulate filters (DPF).
2. Euro VI emission standards for on-road engine vehicles or the use of on-road diesel engine vehicles equipped with diesel particulate filters (DPF).

The following China local standards have been approved as an acceptable alternative for F24, Part 4:
1. China local standard GB20891-2014 for non-road diesel engine vehicles
2. China local standard GB17691-2005 for passenger vehicles and heavy duty trucks
Note that that NOx limits in the China standards are higher then US EPA limits.

Add Owner Letter of Assurance as required documentation, remove Architect Letter of Assurance.

Remove: "(Please refer to Table A3 for additional details.)"

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To minimize the impact of hazardous building material chemicals on indoor air quality and protect the health of manufacturing and maintenance workers.'

Add Contractor Letters of Assurance as required documentation.

Remove: "At least one of the following requirements is met". Add: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) meet one or more of the following requirements"

Remove: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) are Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3 Bronze, Silver, Gold or Platinum Material Health Score". Add: "Have a Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3 Bronze, Silver, Gold or Platinum Material Health Score."

Remove: "At least 25% of products by cost (including furnishings, built-in furniture, all interior finishes and finish materials) meet some combination of the certifications described in requirements b and c".

Add Contractor Letter of Assurance as required documentation, add Owner Letter of Assurance as required documentation.

Remove: "that has an output of at least 4 mW/cm²" after "UV cleaning device"

Add annotated architectural drawing or operations schedule as required documentation, remove architect Letter of Assurance.

Remove: "Free of sharp internal angles, corners and crevices". Add: "Free of crevices and other hard-to-reach places"

Add on-site spot checks as required verification.

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To reduce occupant exposure to both harmful pathogens and hazardous chemicals through the use of high quality cleaning equipment and the proper storage of cleaning agents.'

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To limit the presence of sediment and water-borne pathogens in water designated for human contact.'

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To limit the presence of inorganic contaminants in drinking water.'

In the Feature description, remove the second paragraph. Replace with the following text:
'Intent: To limit the presence of organic contaminants in drinking water.'

Remove "Nitrate less than 10 mg/L nitrogen". Add "Nitrate less than 50 mg/L (10 mg/L as nitrogen)"