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Supplemental Measurements for Exploratory Research regarding Exposure during Activities Conducted on Synthetic Turf Fields with Tire Crumb Rubber Infill

OMB: 0923-0062

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Supplemental Measurements for Exploratory Research regarding Exposure during Activities Conducted on Synthetic Turf Fields with Tire Crumb Rubber Infill



OMB Control No. 0923-0062 (Expiration Date 10/31/2021)

Non-substantive Change Request





Supporting Statement Part A –

Justification







Program Official: Elizabeth Irvin-Barnwell

Title: Director, Office of Community Health and Hazard Assessment

Phone: 770-488-3684

Email: [email protected]

Fax: 770-488-1547



Date: December 18, 2020

Table of Contents

A.1. Circumstances Making the Collection of Information Necessary 5

A.2. Purpose and Use of the Information Collection 6

A.3. Use of Improved Information Technology and Burden Reduction 8

A.4. Efforts to Identify Duplication and Use of Similar Information 8

A.5. Impact on Small Businesses or Other Small Entities 9

A.6. Consequences of Collecting the Information Less Frequently 9

A.7. Special Circumstances Relating to the Guidelines of 5 CFR 1320.5 9

A.8. Comments in Response to the Federal Register Notice and Efforts to Consult Outside the Agency 10

A.9. Explanation of Any Payment or Gift to Respondents 10

A.10. Protection of the Privacy and Confidentiality of Information Provided by Respondents 11

A.11. Institutional Review Board (IRB) and Justification for Sensitive Questions 11

A.12. Estimates of Annualized Burden Hours and Costs 12

A.13. Estimates of Other Total Annual Cost Burden to Respondents and Record Keepers 14

A.14. Annualized Cost to the Federal Government 14

A.15. Explanation for Program Changes or Adjustments 14

A.16. Plans for Tabulation and Publication and Project Time Schedule 17

A.17. Reason(s) Display of OMB Expiration Date is Inappropriate 18

A.18. Exceptions to Certification for Paperwork Reduction Act Submissions 18

References 18

List of Attachments and Protocol Appendices 23

Attachment 1. Authorizing Legislation 23

Attachment 2. 60-day Federal Register Notice 23

Attachment 2a. Public Comments and Agency Responses 23

Attachment 3. Privacy Impact Assessment 23

Attachment 4. CDC IRB Amendment Approval 23

Research Protocol 23

Appendix N1a. Field User Fact Sheet 23

Appendix N1b. Field Owner/Manager Fact Sheet 23

Appendix N2. Field User Eligibility Screening Form 23

Appendix N3. Exposure Characterization and Measurement Study Consent, Assent, Permission Forms 23

Appendix N4a. Field User Adult and Adolescent Questionnaire 23

Appendix N4b. Field User Youth and Child Questionnaire 23

Appendix N5a. Exposure Measurement Form - Pre-activity Questionnaire Administration Notice 23

Appendix N5b. Exposure Measurement Form - Post-activity Questionnaire Administration Notice 23

Appendix N6. Exposure Measurement Form 23

Appendix N7. Site Health and Safety Plan 23

Appendix N8. Synthetic Turf COVID-19 Precaution Plan 23





Part A. Justification

Shape1

Goals of the research study: This is a change request to incorporate COVID-19 prevention and protection measures. The goal of the study is to allow for further investigation of patterns observed in the preliminary data from the 2017 pilot-scale exposure measurements of individuals playing on synthetic turf fields with crumb rubber infill and collecting data from a small number of individuals who are playing on grass fields.

Intended use of the resulting data: The intended uses are to conduct exploratory analyses to inform the need for additional research that may be needed to inform future public health decisions. The research activities are anticipated to add important knowledge on the topic and improve exposure characterization capabilities needed to inform further evaluation.

Methods to be used to collect:

For this request, the investigators are proposing to use a design similar to OMB 0923-0058, but will only collect questionnaires and pre-activity and post-activity urine samples. Researchers will not collect personal air samples, dermal wipe samples, or blood samples.

Respondents: A convenience sample of field users (e.g., athletes) who are persons with potential for high exposures to contaminants in synthetic turf. For this request, the investigators are requesting approval to recruit a convenience sample of 200 respondents, including 150 synthetic turf field users and 50 natural grass users.

How data will be analyzed: To the extent possible, data will be analyzed using non-parametric and parametric statistical methods. If possible, the data will be used for exposure modeling and to perform screening level exposure evaluations.



A.1. Circumstances Making the Collection of Information Necessary



Synthetic turf fields are used across the United States with more than 12,000 fields currently in use (Synthetic Turf Council, 2015). These fields are often made with rubber granules from recycled tire waste used as infill (referred to as crumb rubber). There are differences in the types of crumb rubber, including differences due to processing and coating (Gomes et al, 2010). In recent years, the public has raised concerns about the use and safety of synthetic turf with crumb rubber infill. To date, there has been no comprehensive evaluation of crumb rubber material as previous studies are limited, often due to small sample size.



In November 2015, the White House Council on Environmental Quality (CEQ), requested that ATSDR and the United States Environmental Protection Agency (US EPA), in collaboration with the Consumer Product Safety Commission (CPSC), develop a Federal Research Action Plan to address the issues surrounding synthetic turf with crumb rubber infill. On February 12, 2016, US EPA, ATSDR, and the CPSC, released the Federal Research Action Plan on Recycled Tire Crumb Used on Playing Fields and Playgrounds.1

US EPA and ATSDR collaborated on the exploratory research study from 2016-2018. The research goals for three activities in the protocol were pilot-level investigations to evaluate and characterize: the chemical composition and use of crumb rubber infill in synthetic turf using a convenience sample of nine tire recycling manufacturing plants and 40 facilities that use synthetic turf fields (Activity 1); the human exposure potential to constituents in crumb rubber infill among a convenience sample of 60 field users (Activity 2); and collection of biological specimens (blood and urine) from 45 participants from Activity 2 (Activity 3).

The ATSDR and US EPA completed Activity 1 by consenting and sampling nine recycling plants and 40 synthetic turf fields with crumb rubber infill across the United States by December, 2016, under the six-month emergency request for “Collections Related to Synthetic Turf Fields with Crumb Rubber Infill” (OMB Control No. 0923-0054, expiration date 01/31/2017). These activities are reported in the "Status Report on the Federal Research Action Plan on Recycled Tire Crumb Used on Playing Fields and Playgrounds." The Status Report was released on December 30, 2016. 2 The results of this work were publicly disseminated on July 25, 2019 and are available at: https://www.epa.gov/chemical-research/july-2019-report-tire-crumb-rubber-characterization-0.

In 2017-2018, ATSDR and US EPA conducted additional research activities under OMB Control No. 0923-0058 (expiration date 08/31/2018) “Characterization of Exposure Potential during Activities Conducted on Synthetic Turf with Crumb Rubber Infill”. The target Activity 2 and Activity 3 samples sizes of 60 and 45, respectively, were not met; only 11 pre-post blood sample pairs, 14 pre-post urine sample pairs, 25 wipe samples, and 32 questionnaires were collected.

This is a non-substantive change request to the previously approved information collection request (ICR)(OMB Control No. 0923-0062); the change request incorporates COVID-19 prevention/protection measures for both study staff and study participants. The Agency for Toxic Substances and Disease Registry (ATSDR) is conducting a supplemental exposure characterization and measurements study to follow up on preliminary data that showed an unexplained pattern in urinary levels of a class of chemicals among a small subset of synthetic turf field users. Additionally, in order to provide insight into the biomonitoring results, the investigators will enroll a convenience sample of natural grass field users. This new collection is being referred to as the “supplemental measurements study” to distinguish it from the original collection. To speed the data collection and alleviate unnecessary burden on the respondents, ATSDR will reduce the scope of the collection to questionnaires and urine collections only. Specifically, measurements that were not readily obtained in the initial study or for which laboratory analysis was not informative will not be continued. US EPA will not be participating in the supplemental data collection.

ATSDR is authorized by the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and the Superfund Amendments and Reauthorization Act of 1986 (SARA) [42 U.S.C. 9604(i)(1)(E), (7), (9), (15) and 9626(a)] to collect this study data (Attachment 1).

A.2. Purpose and Use of the Information Collection


The original research study protocol has been amended to include the supplemental exposure characterization and measurements study (Protocol Section 9) to collect only questionnaire data and pre- and post-activity urine samples from users of tire crumb rubber synthetic turf fields and natural grass fields. The calculated sample size is designed to allow identification of statistically significant differences pre- and post-activity when the samples from all locations are pooled. Consistent with the limitation of the data collected under OMB Control No. 0923-0058, the sample will not be nationally representative due to the convenience sampling methods employed. Completing the activities set forth in this package should help improve the exploratory characterization of exposure that we began in the original protocol.

While the sample design will not allow for generalization of results to the universe of field users with exposures to tire crumb rubber in synthetic turf fields in the United States, the research will provide valuable information to better understand and identify the potential chemical exposures. Though this will not be a representative sample of children and adults in the US, we will be able to compare the urinary levels for the respondents in this study to values in the general US population (NHANES comparison values). Additionally, we will be able to compare differences in urinary levels of select compounds in synthetic turf field users pre- and post-activity to those levels in natural grass field users. It is important to communicate to the public and other stakeholders that the study activities are not designed to and will not be sufficient by themselves to directly answer the public’s question about safety but will contribute to the more extensive research portfolio necessary to achieve that goal in the longer term.

A.2.1. Scope of the Exposure Characterization and Measurements Study

In 2019, we aim to initiate participant recruitment at nine of the synthetic turf fields that previously participated in the tire crumb characterization portion of the research (OMB Control No. 0923-0054) and to include a small number of natural grass fields. Our target sample size is 200 completed questionnaires and pre- and post-activity urine collections. Approximately 50 participants will use natural grass fields and 150 will use synthetic turf fields as described in Table B.2.1. For the supplemental exposure characterization and measurement study, there will be a decrease in scope of the activities as outlined below.

A majority of the supplemental collection will be the same as previously defined in the original Research Protocol (US EPA and CDC/ATSDR, 2016). The recruitment strategy for this additional sampling effort will also remain largely the same as participant recruitment will occur on-site at the field location. During the previous data collection, the indoor field practice schedule did not allow for participant recruitment; for the new ICR, we will attempt to recruit from at least two indoor fields, in addition to the outdoor fields. Additionally, previously, time did not permit inclusion of grass fields; however, this ICR permits including natural grass field users to generate hypotheses about patterns observed. This change is anticipated to significantly strengthen the results of the overall study.

The fact sheets and the eligibility screening form has been modified for the reduced scope of the new data collection (Appendix N1a, N1b, N2). The eligibility screening form has been modified for inclusion of natural grass field users (Appendix N2). The exposure characterization and measurements study consent, assent, and permission forms have been revised to reflect the reduction in scope for the data collection and signatures will be required of all participants and parents/guardians for youth/child participants (Appendix N3). Questionnaires will be administered to adult and adolescent participants or parents/guardians for youth and child participants. The questionnaires were modified to include natural grass field users (Appendix N4a, N4b). Pre- and post-activity urine samples will be collected using the same protocol as in the previous exposure measurement pilot-scale effort (Appendix J). No blood, dermal wipes, or personal air monitoring samples will be collected. Additionally, there will not be a video activity component of the study. The exposure measurement form will be used to log the pre- and post-activity urine collection and urine volume (Appendix N6).

A.3. Use of Improved Information Technology and Burden Reduction



ATSDR plan to continue to use electronic reporting in the form of computer-assisted interviews (CAIs) for data collection; the eligibility screening form and questionnaire were developed using Survey123. The eligibility screening will continue to occur prior to the questionnaires for the field users. The questionnaires incorporate computer-generated skip patterns thus alleviating respondent burden for inapplicable questions. The questionnaires will be administered by trained study interviewers.

A.4. Efforts to Identify Duplication and Use of Similar Information



Several studies have performed measurements at synthetic turf fields for selected metal or organic chemical analytes (Schiliro et al., 2013; Menchini et al., 2011; Shalat, 2011; Cal-OEHHA, 2010; Simcox et al., 2011; Van Rooij and Jongeneelen, 2010; Highsmith et al., 2009; NYDEC, 2009; Vetrano and Ritter, 2009; Castellano et al., 2008; Dye et al., 2006). Most of these measurements have been for particles, metals, or organics in air while only a few studies measured chemicals present on field surfaces using wipe samples (NYDEC, 2009; Highsmith et al., 2009; CPSC, 2008; Cal-OEHHA, 2007). Concentrations of chemicals in the air of indoor fields have generally been found to be higher than those at outdoor fields. There is limited information on biomonitoring of individuals who play on synthetic turf fields as very few studies have reported biomonitoring data (Van Rooij and Jongeneelen, 2010; Castellano et al., 2008). For the two identified studies, 1-hydroxypyrene was measured as a marker of exposure to pyrene, and no elevated levels were found following synthetic field sports use. However, the sample sizes and number of fields included were very small.

There are other studies currently being conducted, primarily by the California Office of Environmental Health and Hazard Assessment (OEHHA). However, California OEHHA is not conducting a biomonitoring study at this time. In the event that California OEHHA initiates a biomonitoring study, the data collection described in this ICR will have minimal duplication as we will target field users across the US and will not focus on one state alone.

Consultation between the federal research team and Cal-OEHHA researchers will be used to identify and implement methods and approaches that will, where feasible, produce comparable data. There as a recent study by the Washington State Department of Health; however, there is no duplication of efforts as the study focused on cancer incidence among soccer players residing in the state at the time of diagnosis.

Other attempts at identifying activities that could results in duplication of efforts, including literature searches, attendance at national meetings, and consultations with other federal and state agencies, did not reveal any other ongoing activities related to crumb rubber infill in synthetic turf.

A.5. Impact on Small Businesses or Other Small Entities


The activities will involve field users, which will likely not involve small businesses or other small entities.

A.6. Consequences of Collecting the Information Less Frequently


The activity will be a one-time collection, and the respondents will respond once per form.

However, the biological specimen collection will occur two times in a 24-hour period (immediately pre-activity and post-activity), but no additional information will be collected (e.g. no additional exposure measurement questionnaire). If the specimen collections are not obtained, the lack of knowledge regarding exposure potential to chemicals in crumb rubber infill will persist. Responsive and actionable public health recommendations cannot be implemented.

There are no technical or legal obstacles to reducing burden.

A.7. Special Circumstances Relating to the Guidelines of 5 CFR 1320.5



The following special circumstance applies to this information collection. The respondents for research activity will be drawn from a convenience sample; therefore, the results are not intended to be generalized to the universe of field users.

A.8. Comments in Response to the Federal Register Notice and Efforts to Consult Outside the Agency


  1. A 60-day Federal Register Notice was published in the Federal Register on December 26, 2018, Vol. 83 No. 246, pgs 66265-66266.

  2. During the 60-day public comment period, one non-substantive comment from the public was received (Attachment 2a).

  3. For the research study, ATSDR and US EPA have consulted directly with the White House CEQ and CPSC to obtain their views on the public health issue/concern surrounding crumb rubber infill in synthetic turf. These federal partners initiated the Federal Research Action Plan for the Use of Recycled Tires in Synthetic Turf Playing Fields and Playgrounds. This activity is a result of the pilot-scale exposure measurements sub-study data collection.


Table A.8.1. 2016 ATSDR External Consultations


Name

Title

Affiliation

Phone

Email

FEDERAL CONSULTANTS

Annette Guiseppi-Elie, PhD

Associate Director for Exposure Science

US EPA

(919) 541-4651

[email protected]

Kent Thomas, BSPH

Research Physical Scientist

US EPA

(919) 541-4651

[email protected]



Table A.8.2. 2016 Consultations with CDC NCEH Laboratories


Name

Title

Affiliation

Phone

Email

Antonia Calafat

Branch Chief

CDC/NCEH/DLS

(770) 488-7891

[email protected]



A.9. Explanation of Any Payment or Gift to Respondents


A.9.1. Supplemental Exposure Measurements Study

ATSDR is requesting approval to screen 220 potential participants with the respondent goal of 150 synthetic turf field users and 50 natural grass users for this data collection.

As in the prior data collection, incremental tokens of appreciation in the form of gift cards are described below.

  • Eligible respondents who provide informed consent and who complete the activity questionnaire will receive a gift card ($25).

  • Respondents who complete the urine collection component, will receive additional gift cards ($10 pre-activity and $15 post-activity).

This will be at a total monetary level that is less than originally approved by OMB for the full exposure characterization study ($75).

A.10. Protection of the Privacy and Confidentiality of Information Provided by Respondents



The Privacy Act does not apply. For the exposure characterization and measurements study, investigators have received IRB approval for a waiver of documentation of informed consent (Research Protocol); therefore, no information in Identifiable Form (IIF) will be linkable to the participants’ data or specimens, which will be labeled with an assigned study ID.

The NCEH/ATSDR Information Systems Security Officer (ISSO) has approved a Data Privacy & Security Plan to ensure measures are in place to protect participant data while using Epi Info™ software. The system’s Security Plan defines the process for handling security incidents. The system’s team and the Office of the Chief Information Security Officer (OCISO) share the responsibilities for event monitoring and incident response. The team will direct reports of suspicious security or adverse privacy-related events to the NCEH/ATSDR ISSO, CDC Helpdesk, or to the CDC Incident Response team. The CDC OCISO reports to the HHS Secure One Communications Center, which reports incidents to US-CERT as appropriate.

The Privacy Impact Assessment (PIA) is found in Attachment 3.

The records will follow the required disposition schedules under the CDC/ATSDR Records Control Schedule.

A.11. Institutional Review Board (IRB) and Justification for Sensitive Questions



ATSDR intends to collect the minimum amount of information necessary to meet the objectives of research activity. Some of the information could be viewed as sensitive by the respondents, specifically related to field procedures.

The amended study protocol has been approved by CDC IRB (Attachment 4), with a waiver of documentation of informed consent. All respondents will be consented as indicated by a check box on the consent, assent, and permission forms (Appendix N3); each form will be labeled with a participant ID label the indication of informed consent. All respondents will be informed that their participation is voluntary and that they can choose to not answer any question.

A.12. Estimates of Annualized Burden Hours and Costs



The time burden requested for the exposure characterization and measurements study is 184 hours. Estimated annualized burden hours are presented and justified below.

Assuming a 90 percent eligibility rate and a 50-to-50 ratio between adults and adolescents vs. children ages 7 to 12 for the supplemental sub-study, ATSDR estimates that 220 respondents would be screened for eligibility in 5 minutes resulting in a burden of 18 hours (Appendix N2). For the activity questionnaires, we estimate the respondent burden would be 100 hours, based on 200 respondents (100 adults/adolescents vs. 100 children) at 30 minutes each (Appendix N4a, N4b). Documenting the time required to collect pre- and post-activity urine samples would total 66 burden hours for the 200 respondents at 20 minutes each (Appendix N6). Therefore, the total time burden requested for the supplemental sub-study is 184 hours.

Table A.12.a. Estimated Annualized Burden Hours

Type of Respondents

Form Name

No. of Respondents

No. of Responses per Respondent

Avg. Burden per Response (in hrs.)

Total Burden (in hrs.)

Adult/Adolescent Field Users

Eligibility Screening Form

110

1

5/60

9

Adult and Adolescent Questionnaire

100

1

30/60

50

Exposure Measurement Form

100

1

20/60

33

Parents/Guardians of Youth/Child Field Users

Eligibility Screening Form

110

1

5/60

9

Youth and Child Questionnaire

100

1

30/60

50

Youth/Child Field Users

Exposure Measurement Form

100

1

20/60

33

Total





184



The adult and adolescent field users are assumed to be college student athletes with an earning potential, if employed, of $7.25/hour based on the federal minimum wage. See http://www.dol.gov/general/topic/wages/minimumwage. To maintain comparability of wages over time, we make the same assumptions about the hourly wage for parent/guardian respondents of youth or child field users as $24.34 for all occupations based on the Bureau of Labor Statistics May 2017 National Occupational Employment and Wage Estimates (see https://www.bls.gov/oes/current/oes_nat.htm#00-0000). We assume that the parents/guardians will wait while their youth or child, who is not a wage earner, to collect and donate two urine samples; therefore, by proxy, we again attribute $24.34 per hour for respondent cost burden for this activity.

Table A.12.b. Estimated Annualized Burden Costs

Type of Respondents

Form Name

Total Burden Hours

Hourly Wage Rate

Total Respondent Costs

Adult/Adolescent Field Users

Eligibility Screening Form

9

$7.25

$65.25

Adult and Adolescent Questionnaire

50

$7.25

$362.50

Exposure Measurement Form

33

$7.25

$239.25

Parents/Guardians of Youth/Child Field Users

Eligibility Screening Form

9

$24.34

$219.06

Youth and Child Questionnaire

50

$24.34

$1,217.00

Youth/Child Field Users

Exposure Measurement Form

33

$24.34

$803.22

Total




$2906.28



A.13. Estimates of Other Total Annual Cost Burden to Respondents and Record Keepers


There will be no additional capital and maintenance costs for study described in this ICR for respondents or record keepers.

A.14. Annualized Cost to the Federal Government



In total, the estimated annual cost to the government is approximately $400,000.

  • The estimated average annualized cost of the program is $325,000.

    • Personnel:  $265,000 per year.

      • The annual personnel costs are based on a FTE at GS-13/1 with an estimated 3 full time staff.

    • Travel:  $60,000. This amount is based on the number of site visits conducted.

  • Other project requirements, including but not limited to, laboratory analysis and tokens of appreciation, are estimated to cost $85,000.

A.15. Explanation for Program Changes or Adjustments

The research protocol, Collections Related to Synthetic Turf Fields with Crumb Rubber Infill, has been conducted to date under two ICRs. Activity 1 was conducted under a six-month emergency request (OMB Control No. 0923-0054; expiration date 01/31/2017). Activities 2 and 3 were partially completed under OMB Control No. 0923-0058 (expiration date 08/13/2018); due to time constraints, collections were limited to approximately 3 months with a completion date of October 2017.

Under OMB Control No. 0923-0062 (expiration date 10/31/2021), ATSDR aims to supplement the data collection for Activities 2 and 3 under the prior exposure characterization and measurements study. Due to the COVID-19 pandemic, the data collection has been delayed. The purpose of this non-substantive change request is to add COVID precautions to the research plan so that data collection may begin.

The investigators still propose to continue data collection from a sample size of 200 participants, including 150 synthetic turf field users and 50 natural grass field users. This will be a larger-scale assessment of exposure potential for individuals who use/play on synthetic turf fields with tire crumb rubber infill. The study will include persons who use synthetic turf with crumb rubber infill and who routinely perform activities that would result in a high level of contact to crumb rubber. The study will also include persons who use natural grass fields. This will allow generation of hypotheses about potential high-end exposures to constituents in synthetic turf among this group of users. The investigators will collect only urines and will not collect the full suite of environmental exposure measures, such as personal air samples, dermal wipe samples, or blood samples.

Reducing the scope of the environmental measurement to urine collections required the use of data collection forms based closely on the original eligibility screening form, the consent forms, and the exposure measurement form (Appendix N2, N3, N6). Including natural grass field users required modifications to the adult/adolescent and the youth/child questionnaires (Appendix N4a, N4b). Additionally, the questionnaire has been modified to include questions regarding potential lifestyle and dietary exposures to the specific chemicals of concern. Urine collection procedures remain the same as in the 2017-2018 collection.

This non-substantive change request reflects modifications to the currently approved information collection request (ICR) to include COVID-19 prevention measures and incorporates the need to practice social distancing, to the extent possible. Where necessary, ATSDR has modified its scripts and forms to let the public know of the COVID-19 precautions that the agency is implementing. Participants will be asked about their and their family’s health/COVID-19 status prior to the questionnaire administration and specimen collection. For employees in the field, the team lead will monitor the temperature of the field team staff twice daily. The field team lead will also ensure proper use of PPE when participants and examiners are not able to be socially distanced, such as during the transfer of the specimen collection kit. Questionnaire administration and collection of biological samples will occur at the site with social distancing measures. Questionnaires and eligibility forms will be developed using Survey123.

There are no proposed changes to the time burden, the number of respondents, nor the research methodology. The proposed changes for COVID precautions are described in the following table.

ICR Files

Requested Change

Justification

List of Attachments and Protocol Appendices in SS-A and SS-B

  1. The research protocol has been pulled out of the list of ICR attachments, and protocol appendices have been renumbered to reflect the way they are currently IRB-approved.

The remaining attachment numbers have been adjusted accordingly. See below.

  1. To facilitate IRB review and minimize further confusion to ICR preparers, the List of Attachments and Protocol Appendices have been modified in SS-A and SS-B to reflect the format that is IRB-approved. This will make IRB amendments easier to submit.

Privacy Impact Assessment

  1. Change attachment number from 4 to 3.

  1. See List of Attachments and Appendices justification above.

CDC IRB Amendment Approval Memo

  1. Change attachment number from 6 to 4.

  1. See List of Attachments and Appendices justification above.

Supplemental Exposure Measurement Study Materials

  1. All Attachment 3 subfiles have been renumbered as they are IRB-approved in the protocol. See below for the specific changes.

  1. See List of Attachments and Appendices justification above.

Protocol

  1. Remove Attachment 4 label and present as a standalone document.

  2. Appendix N7(Site Health and Safety Plan) and Appendix N8(Synthetic Turf COVID-19 Precaution Plan) have been added and indexed in the protocol table of contents.



  1. See List of Attachments and Appendices justification above.

  2. Appendix N7 documents general site health and safety measures for field work. Appendix N8 documents the precautions that ATSDR is undertaking to protect the public and its workers from COVID-19.

Fact Sheets

  1. Change from Attachment 3a and 3b to Appendix N1a and N1b.

  2. Recruitment materials will include information on procedures that CDC/ATSDR will be taking to address concerns associated with COVID-19.

  1. See List of Attachments and Appendices justification above.

  2. The recruitment materials will provide information to potential participants on the procedures that CDC/ATSDR will take to comply with local, state and CDC guidelines at the time of Synthetic Turf field activities.

Eligibility Screening

  1. Change from Attachment 3a and 3b to Appendix N1a and N1b.

  2. Eligibility screening will include information on procedures that CDC/ATSDR will be taking to address concerns associated with COVID-19.



  1. Change mode of data collection from EpiInfo to Survey123.

  1. See List of Attachments and Appendices justification above.

  2. The eligibility screening materials will provide information to potential participants on the procedures that CDC/ATSDR will take to comply with local, state and CDC guidelines at the time of Synthetic Turf field activities.

  3. Survey123 is easier to use in the field on tablets than EpiInfo for the eligibility screening. This technology will also allow for fewer data entry errors with built in checks before submission.

Consent Forms

  1. Change from Attachment 3d to Appendix N3.

  1. See List of Attachments and Appendices justification above.

Questionnaires

  1. Change from Attachment 3e and 3f to Appendix N4a and N4b.

  2. Change mode of data collection from EpiInfo to Survey 123.

  1. See List of Attachments and Appendices justification above.

  2. Survey123 is easier to use in the field on tablets than EpiInfo for the questionnaires. This technology will also allow for fewer data entry errors with built in checks before submission.

Exposure Measurements Forms

  1. Change from Attachment 3h1, 3h2, and 3g to Appendix N5a, N5b, and N6.

  2. The exposure measurement forms were modified to include information on procedures that CDC/ATSDR will be taking to address concerns associated with COVID-19 and include a screening and temperature check for COVID-19.

  1. See List of Attachments and Appendices justification above.

  2. A screening for self-reported COVID-19 symptoms and a temperature check will be conducted prior to participants entering the sampling area.

Site Health and Safety Plan

  1. Appendix N7 has been added to provide information on PPE requirements and safety procedures.

  1. The Site Health and Safety Plan is needed for safety measures for federal employees, and the general public.

Synthetic Turf COVID-19 Precaution Plan

  1. Appendix N8 has been added to provide methodology for safely completing field activities in compliance with state, local and CDC COVID-19 guidelines in place at the time the field activities are conducted.

  1. Policies and procedures must be followed to modify activities to address concerns associated with COVID-19. Procedures will comply with the guidance in place at the time an activity is conducted.



A.16. Plans for Tabulation and Publication and Project Time Schedule



Upon completion of data collection and laboratory analysis, ATSDR plans to report on the various activities to the public. The research will be described in a final report. The report will help answer some of the key questions that have been raised about tire crumb used in artificial turf fields and will provide a better understanding of potential exposures that athletes and others may experience by using these fields.

As stated earlier in this Supporting Statement, as the sample design for this study will not allow for generalization of results to the universe of synthetic turf fields in the United States, this investigative pilot study is only intended to set the stage for designing and implementing future human exposure studies. For all publications, presentations, and materials disseminated to the public and other stakeholders of this study’s findings, it will be clearly communicated that the study activities are not designed to and will not be sufficient by themselves to directly answer the public’s questions about safety but will implement the preliminary research necessary to achieve that goal in the longer term.

A.17. Reason(s) Display of OMB Expiration Date is Inappropriate



The display of the OMB expiration date is appropriate.

A.18. Exceptions to Certification for Paperwork Reduction Act Submissions



There are no exceptions to the certification.

References



  1. About Synthetic Turf.” http://www.syntheticturfcouncil.org. Synthetic Turf Council [accessed November 5, 2015].

  2. Gomes J, Mota H, Bordado J, et al. Toxicological assessment of coated versus uncoated rubber granulates obtained from used tires for use in sports facilities. 2010. J Air Waste Manage Assoc. 60: 741-6.

  3. Bocca B, Forte G, Petricci F, Constantini S, Izzo P. Metals contained and leached from rubber granulates used in synthetic turf areas. 2009. Sci Total Environ. 407: 2183-90.

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List of Attachments and Protocol Appendices



Attachment 1. Authorizing Legislation

Attachment 2. 60-day Federal Register Notice

Attachment 2a. Public Comments and Agency Responses

Attachment 3. Privacy Impact Assessment

Attachment 4. CDC IRB Amendment Approval



Research Protocol

Appendix N1a. Field User Fact Sheet

Appendix N1b. Field Owner/Manager Fact Sheet

Appendix N2. Field User Eligibility Screening Form

Appendix N3. Exposure Characterization and Measurement Study Consent, Assent, Permission Forms

Appendix N4a. Field User Adult and Adolescent Questionnaire

Appendix N4b. Field User Youth and Child Questionnaire

Appendix N5a. Exposure Measurement Form - Pre-activity Questionnaire Administration Notice

Appendix N5b. Exposure Measurement Form - Post-activity Questionnaire Administration Notice

Appendix N6. Exposure Measurement Form

Appendix N7. Site Health and Safety Plan

Appendix N8. Synthetic Turf COVID-19 Precaution Plan



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