Effective and Economical Environmental Solutions

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1 Effective and Economical Environmental Solutions Lead in Drinking Water Post-Remediation Sampling Cresskill Board of Education One Lincoln Drive Cresskill, NJ Karl Environmental Group Project #: May 19, 2017 Prepared for: Ms. Antoinette Kelly Business Administrator Cresskill Board of Education One Lincoln Drive Cresskill, NJ Prepared by: Karl Environmental Group 20 Lauck Road Mohnton, PA Tel: (800) Fax: (610)

2 Karl Environmental Group Project Lauck Road Mohnton, PA Tel: (800) Fax: (610) Web: May 19, 2017 Ms. Antoinette Kelly Business Administrator Cresskill Board of Education One Lincoln Drive Cresskill, NJ Re: Lead in Drinking Water Post-Remediation Sampling Edward Bryan Elementary School: 51 Brookside Avenue, Cresskill, NJ Cresskill Jr./Sr. High School: One Lincoln Drive, Cresskill, NJ Karl Environmental Group Project #: Dear Ms. Kelly: Thank you for selecting Karl Environmental Group ( Karl ) for this project. This report details the methods and findings of the lead in drinking water post-remediation sampling performed for the Cresskill Board of Education at the Edward Bryan Elementary School and the Cresskill Jr./Sr. High School (the Facilities ), located in Cresskill, New Jersey on May 9, PROJECT BACKGROUND In the Spring of 2016, Karl identified eighteen (18) locations throughout the Cresskill School District that exhibited elevated lead levels after first-draw sampling (see Karl reports and dated May 16, 2016 and July 26, 2016, respectively). Remediation was recommended for these drinking water outlets, after which sampling was necessary to determine the efficacy of the remedial activities. Post-remediation samples from those locations were collected on February 9, The results from that sampling event indicated that nine (9) locations still required further remedial action to reduce lead contamination in the drinking water (see Karl Report dated February 23, 2017). A second round of post-remediation testing at the remaining nine (9) locations was conducted on May 9, 2017 after lead-removing filters were installed. VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

3 Karl Environmental Group Project LEAD IN DRINKING WATER Lead is a toxic substance that can be harmful to human health. As compared to adults, children are more susceptible to the detrimental health effects of lead, as their nervous systems are not yet fully developed. Exposure to lead can occur in a variety of ways including through food, soil, deteriorating lead-based paint, and drinking water. Lead can leach into drinking water from plumbing materials such as pipes and solder, as well as brass plumbing fixtures. Post-remediation sampling was conducted after the adoption of N.J.A.C. 6A:26: Educational Facilities requiring the sampling of drinking water for lead in public schools, but was not intended to put the Client in compliance with those regulations. 3.0 DRINKING WATER SAMPLING METHODOLOGY Karl collected drinking water samples from the remediated drinking water outlets throughout each of the Facilities. At each collection point, Karl filled a 250 milliliter (ml) wide-mouth high density polyethylene (HDPE) sample collection bottle. Samples were collected after the water in each building had not been used for at least 8 hours, but not more than 48 hours, and prior to the building s daily opening. The post-remediation sample at each collection point represents a first draw sample. The first draw sample is representative of the water from the end point of the water source (i.e. the bubbler or tap). The samples were recorded under proper chain of custody and couriered to Suburban Testing Labs (Suburban), a New Jersey certified laboratory (NJ Lab ID #PA081) located in Reading, Pennsylvania for analysis by EPA method Karl collected the following number of water samples: Edward Bryan Elementary School Five (5) First Draw Samples One (1) Field Blank Sample Cresskill Jr./Sr. High School Four (4) First Draw Samples One (1) Field Blank Sample 4.0 DRINKING WATER ANALYSIS RESULTS The analytical lead in drinking water results for each post-remediation first draw sample are listed in Tables 1 and 2, below: VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

4 Karl Environmental Group Project Table 1: Analytical Lead s for First Draw Water Post-Remediation Samples Collected from Edward Bryan Elementary School Sample I.D. Location Type of Collection Point Lead Concentration (ppb) Above Action Level? CK-EB-BLANK BLANK N/A <1.00 No CK-EB-01-PR2 Opposite Loft, Between Restrooms (Left) PWF <1.00 No CK-EB-02-PR2 Opposite Room 108 (Right) PWF <1.00 No CK-EB-03-PR2 Outside Room 102 (Right) PWF <1.00 No CK-EB-04-PR2 Kindergarten 1 PWF <1.00 No CK-EB-05-PR2 2 nd Floor Bubbler PWF <1.00 No PWF = Porcelain Water Fountain Table 2: Analytical Lead s for First Draw Water Post-Remediation Samples Collected from Cresskill Jr./Sr. High School Sample I.D. Location Type of Collection Point Lead Concentration (ppb) Above Action Level? CK-HS-BLANK BLANK N/A <1.00 No CK-HS-01-PR2 C-wing, Opposite C-3 PWF 1.11 No CK-HS-02-PR2 C-wing between Restrooms, Outside C-5 (Right) PWF 1.90 No CK-HS-03-PR2 Small Cafeteria Entrance PWF <1.00 No CK-HS-04-PR2 Bubbler between Restrooms in B-wing (Right) PWF 2.90 No PWF = Porcelain Water Fountain Laboratory analytical results were compared to the New Jersey Department of Environmental Protection (NJDEP) Action Level of 15 ppb for lead. Analysis of lead in the first draw post-remediation drinking water samples indicated that at the time of the sampling event, none of the drinking water outlets exhibited lead levels exceeding the Action Level 6.0 CONCLUSIONS & RECOMMENDATIONS Karl collected first draw post-remediation water samples from water sources that had been remediated throughout Edward Bryan School and the Cresskill Jr./Sr. High School in Cresskill, New Jersey. All sample results indicated lead levels below the Action Level of 15.5 ppb. Based on the findings of the lead in water sampling and observations made during sample collection, Karl offers the following recommendations at this time: Comply with all requirements set forth by the ammendment to N.J.A.C. 6A:26 Educational Facilities pertaining to Lead in Drinking Water, adopted on July 13, VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

5 Karl Environmental Group Project Replace any known or discovered lead piping with lead-free piping. Continue to monitor lead in drinking water levels as part of a regular sampling and maintenance plan. It is recommended that this include sampling any remaining untested drinking water outlets in the Facilities. Additional parameters may also be considered for analysis, such as: Antimony, Asbestos, Cadmium, Copper, Mercury, Nickel, Silver, Zinc, and biologicals. Where in use, regularly clean aerators to prevent the build-up of debris behind the screen which may contribute to elevated lead levels. Use only cold water for food and beverage preparation. Hot water is more likely to contribute to the corrosion of plumbing materials and therefore contain a greater level of contaminants from the plumbing system. Check piping for ground wiring for electricity. Such wiring may cause premature corrosion of the affected piping and lead to contamination of the water contained within. 7.0 LIMITATIONS The purpose of the sampling event was to ensure the efficacy of remedial actions and was not a school-wide sampling event. No other heavy metals or additional contaminants were sampled for or analyzed. Lead concentrations can change as water continues to move through the water system. Each sample was a grab sample and represents lead concentrations only at the specific time of collection and may vary based on the water usage in the facility. Interpretation of these results is only valid if the facility is serviced by a municipal water supplier or water utility. This lead screening event was not intended to comply with the newly adopted amendments to N.J.A.C. 6A:26, Educational Facilities, effective July 13, 2016 which requires testing for lead in the drinking water of public school districts. 8.0 CLOSING Thank you for using Karl to assist you with this project. Please do not hesitate to call if you have any questions relating to this report or for any other environmental health and safety concerns. VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

6 Karl Environmental Group Project Respectfully submitted, Karl Environmental Group Kelly L. Mays Consultant Appendices: A-Laboratory Analytical Reports VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

7 Karl Environmental Group Project Appendix A Laboratory Analytical s VOICE: (610) LAUCK ROAD, MOHNTON, PA FAX: (610)

8 s Report Order ID: Karl Environmental Group 20 Lauck Road Mohnton, PA Project: Cresskill BOE - Edward Bryan ES 51 Brookside Avenue Cresskill, NJ Attn: Kelly Mays Regulatory ID: Sample Number: Site: CK-EB-BLANK Collect Date: 05/09/2017 6:23 am Lead < 1.00 µg/l EPA /11/17 RPV 05/12/17 16:51 RPV Sample Number: Site: CK-EB-01-PR2 Collect Date: 05/09/2017 6:24 am Lead < 1.00 µg/l EPA /11/17 RPV 05/16/17 18:39 RPV Sample Number: Site: CK-EB-02-PR2 Collect Date: 05/09/2017 6:26 am Lead < 1.00 µg/l EPA /11/17 RPV 05/16/17 18:22 RPV Sample Number: Site: CK-EB-03-PR2 Collect Date: 05/09/2017 6:29 am Lead < 1.00 µg/l EPA /11/17 RPV 05/16/17 18:26 RPV Sample Number: Site: CK-EB-04-PR2 Collect Date: 05/09/2017 6:32 am Lead < 1.00 µg/l EPA /11/17 RPV 05/12/17 16:53 RPV Report Generated On: 05/17/2017 2:03 pm STL_s Revision #1.6 Effective: 07/09/2014 Page 1 of 3

9 Sample Number: Site: CK-EB-05-PR2 Collect Date: 05/09/2017 6:36 am Lead < 1.00 µg/l EPA /11/17 RPV 05/16/17 18:31 RPV Sample Number: Collector: Site: Laboratory Control Sample Collect Date: 05/10/ :00 am Sample Type: Lead 14.9 µg/l EPA /11/17 RPV 05/12/17 16:59 RPV Sample Number: Collector: Site: Laboratory Control Sample Duplicate Collect Date: 05/10/ :00 am Sample Type: Lead 14.7 µg/l EPA /11/17 RPV 05/12/17 17:01 RPV Sample Receipt Conditions: All samples met the sample receipt requirements for the relevant analyses. All results meet the requirements of STL's TNI (NELAC) Accredited Quality System unless otherwise noted. If your results contain any data qualifiers or comments, you should evaluate useability relative to your needs. If collectors initials include "STL", samples have been collected in accordance with STL SOP SL0015. All results reported on an As Received (Wet Weight) basis unless otherwise noted. This laboratory report may not be reproduced, except in full, without the written approval of STL. s are considered Preliminary unless report is signed by authorized representative of STL. Reviewed and Released : Alana Kopicz Project Manager Report Generated On: 05/17/2017 2:03 pm STL_s Revision #1.6 Effective: 07/09/2014 Page 2 of 3

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11 s Report Order ID: Karl Environmental Group 20 Lauck Road Mohnton, PA Project: Cresskill BOE Lead Screening - Jr_Sr HS 1 Lincoln Drive Cresskill, NJ Attn: Kelly Mays Regulatory ID: Sample Number: Site: CK-HS-BLANK Collect Date: 05/09/2017 5:57 am Lead < 1.00 µg/l EPA /11/17 RPV 05/12/17 17:03 RPV Sample Number: Site: CK-HS-01-PR2 Collect Date: 05/09/2017 5:58 am Lead 1.11 µg/l EPA /11/17 RPV 05/16/17 18:35 RPV Sample Number: Site: CK-HS-02-PR2 Collect Date: 05/09/2017 6:02 am Lead 1.90 µg/l EPA /11/17 RPV 05/12/17 17:05 RPV Sample Number: Site: CK-HS-03-PR2 Collect Date: 05/09/2017 6:05 am Lead < 1.00 µg/l EPA /11/17 RPV 05/12/17 17:07 RPV Sample Number: Site: CK-HS-04-PR2 Collect Date: 05/09/2017 6:08 am Lead 2.90 µg/l EPA /11/17 RPV 05/12/17 17:13 RPV Report Generated On: 05/17/2017 2:10 pm STL_s Revision #1.6 Effective: 07/09/2014 Page 1 of 3

12 Sample Number: Collector: Site: Laboratory Control Sample Collect Date: 05/10/ :00 am Sample Type: Lead 14.7 µg/l EPA /11/17 RPV 05/12/17 17:14 RPV Sample Number: Collector: Site: Laboratory Control Sample Duplicate Collect Date: 05/10/ :00 am Sample Type: Lead 14.8 µg/l EPA /11/17 RPV 05/12/17 17:16 RPV Sample Receipt Conditions: All samples met the sample receipt requirements for the relevant analyses. All results meet the requirements of STL's TNI (NELAC) Accredited Quality System unless otherwise noted. If your results contain any data qualifiers or comments, you should evaluate useability relative to your needs. If collectors initials include "STL", samples have been collected in accordance with STL SOP SL0015. All results reported on an As Received (Wet Weight) basis unless otherwise noted. This laboratory report may not be reproduced, except in full, without the written approval of STL. s are considered Preliminary unless report is signed by authorized representative of STL. Reviewed and Released : Alana Kopicz Project Manager Report Generated On: 05/17/2017 2:10 pm STL_s Revision #1.6 Effective: 07/09/2014 Page 2 of 3

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