Lead in Ceramic Tile client-report-286060.pdf

Chain of Custody: 286060

Client: Progress Environmental, LLC

Address: 401 Ritchie Road Capitol Heights, MD 20743

Attention: Chris Druin

Job Name: USDA Log Cabin

Job Location: USDA Log Cabin

Job Number: Not Provided

P.O. Number: Not Provided

Date Submitted: 05/10/2021

Date Analyzed: 05/11/2021

Report Date: 05/11/2021

Date Sampled: 05/10/2021

Person Submitting: Chris Druin

CERTIFICATE OF ANALYSIS

Summary of Atomic Absorption Analysis for Lead

AMA Sample Number Client Sample Number Analysis Type Sample Type Reporting Limit Final Result Comments

286060-1 #2 Flame AA Soil/Solid 25 mg/Kg <25 mg/Kg

286060-2 #3 Flame AA Soil/Solid 28 mg/Kg <28 mg/Kg

286060-3 #4 Flame AA Soil/Solid 19 mg/Kg <19 mg/Kg

Analysis Method for Flame: Air, Wipes, Paints, and Soil/Solids: EPA 600/R-93/200(M)-7000B; Water: SM-3111B Analysis Method For Furnace: Air, Wipes, Paints, and Soil/Solids : EPA 600/R-93/200(M)-7010; Water: SM-3113B N/A = Not Applicable mg/Kg = parts per million (ppm) on a dry weight basis mg/L = parts per million (ppm) %Pb = percent lead on a dry weight basis ug = micrograms ug/L = parts per billion (ppb) Note: All samples were received in good condition unless otherwise noted.

Note: All results have two significant digits. Any additional digits shown should not be considered when interpreting the result.

Analyst(s): Suphin Chinnapad

See QC Summary for analytical results of quality control samples associated with these samples.

Air and Wipe results are not corrected for any blank results. Final results for air and wipe samples are based on client supplied information not verified by this laboratory.

All results are to be considered preliminary and subject to change unless signed by the Technical Director or Deputy.

Technical Director Jean-Paul Littleton

This report applies only to the sample, or samples, investigated and is not necessarily indicative of the quality or condition of apparently identical or similar products. As a mutual protection to clients, the public, and these Laboratories, this report is submitted and accepted for the exclusive use of the client to whom it is addressed and upon the condition that it is not to be used, in whole or in part, in any advertising or publicity matter without prior written authorization from us. Sample types, locations, and collection protocols are based upon the information provided by the persons submitting them and, unless collected by personnel of these Laboratories, we expressly disclaim any knowledge and liability for the accuracy and completeness of this information. Residual sample material will be discarded in accordance with the appropriate regulatory guidelines, unless otherwise requested by the client. This report must not be used to claim, and does not imply product certification, approval, or endorsement by NY ELAP, AIHA-LAP, or any agency of the Federal Government. All rights reserved. AMA Analytical Services, Inc.

4475 Forbes Blvd. · Lanham, MD, 20706 · (301) 459-2640 · Toll Free (800) 346-0961 · Fax (301) 459-2643 1/1

QC Summary for SDG #67833

Overview

Analysis Type: Flame AA Sample Type: Soil/Solid Analysis Date: Pending

Samples Included

286060-1 286060-2 286060-3

Preparation Blank

Result: 0.023 ppm

Report Limit Vertification Sample

Percent Recovery: 112.5%

Duplicates

RPD: N/A

Matrix Spike Analysis

Spiked Sample Percent Recovery: 100.4% Spike Duplicate Percent Recovery: 100.5%

RPD: 0.1%

Matrix Blank

Result: 0.124 ppm

Laboratory Control Sample #1

Percent Recovery: 92.3%

Laboratory Control Sample #2

Percent Recovery: 91.06%

Reference Sample

Percent Recovery: N/A

Calibration Curve

Correlation: 0.999609

Serial Dilution / Bench Spike

Serial Dilution RPD: N/A Bench Spike Percent Recovery: N/A

Notes

Both Duplicate results are below the reporting limit, making RPD limits for these QC samples not applicable.

4475 Forbes Blvd. · Lanham, MD, 20706 · (301) 459-2640 · Toll Free (800) 346-0961 · Fax (301) 459-2643 1/1

QC Summary for SDG #67833