Attacment 2 XRF Technical Evaluation FY26.pdf
PDF 154 KB Posted
- Attached to
- XRF Handheld Analyzer
- Solicitation number
- CPS-2112-26-0037
- Issued by
-
Consumer Product Safety Commission
About this file
This document is a technical evaluation specification for a handheld X-ray Fluorescence (XRF) analyzer. The evaluation comprises two primary factors: Factor A assesses measurement accuracy using five reference standard materials, and Factor B evaluates the analyzer's "test all" mode or equivalent functionality.
Factor A testing requires the XRF analyzer to deliver measurement results within specified low/high limits across five subfactors: ERM®-EC681k Polyethylene (high level) with certified values for Lead, Arsenic, Cadmium, and Chromium; ERM®-EC680k Polyethylene (low level) with Lead measurements; NIST Standard Reference Material® 2861 PVC for Lead detection; RoHS 2-3 Glass Standard requiring detectable readings above 100ppm for Lead; and NIST Standard Reference Material® 2569 Level 3 Lead Paint Films requiring detectable Lead readings. Measurement times range from 60 to 120 seconds using optimum filter settings. Factor B evaluates the analyzer's automated "test all" mode or equivalent, which must correctly identify sample matrices (plastic, PVC plastic, metal, and painted metal) and apply appropriate elemental detection algorithms. This factor uses four reference standards: ERM®-EC681k Polyethylene, NIST SRM® 2861 PVC, MBH Analytical Tin Check Sample (180-606), and XOS Coated Reference Sample 900071-08 ZINC. Results must fall within specified measurement limits for Lead, Arsenic, Cadmium, and Chromium, with measurement times of 60 to 120 seconds depending on the subfactor.
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Other files
| File | Type | Posted |
|---|---|---|
| XRF Terms and Conditions.pdf | ||
| Attachment 1 Statement of Requirements XRF Analyzers FY26.pdf |
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Technical Evaluation: Handheld X-ray Fluorescence (XRF) Analyzer
The XRF analyzer will be evaluated and performance validated based on the following two (2) factors (A and B):
FACTOR A: The XRF will be evaluated based on measurement results obtained using the following reference standard materials:
Subfactor 1: ERM®-EC681k Polyethylene (high level) Subfactor 2: ERM®-EC680k Polyethylene (low level) Subfactor 3: NIST Standard Reference Material® 2861 PVC Subfactor 4: Restriction of Hazardous Substances (RoHS) 2-3 Glass Standard Subfactor 5: NIST Standard Reference Material® 2569 Level 3 Lead Paint Films
Measurement results shall be within the following low/high limit specifications outlined in the tables below for each of the reference standard materials:
Subfactor 1: ERM®-EC681k Polyethylene (high level) Standard ERM®-EC681k
Element Certified Value (ppm or mg/kg)
Low Limit (ppm or mg/kg)
High Limit (ppm or mg/kg)
Lead (Pb) 98 74 122 Arsenic (As) 29 15 44
Cadmium (Cd) 137 96 178 Chromium (Cr) 100 50 150
Measurement time will be a minimum of 60 seconds on optimum filter setting configuration for each element
Subfactor 2: ERM®-EC680k Polyethylene (low level) Standard
ERM®-EC680k Element Certified Value
(ppm or mg/kg) Low Limit
(ppm or mg/kg) High Limit
(ppm or mg/kg) Lead (Pb) 13.6 6 20 configuration for each element
Subfactor 3: NIST Standard Reference Material® 2861 PVC
NIST Standard Reference Material® 2861 Element Certified Value
(ppm or mg/kg) Low Limit
(ppm or mg/kg) High Limit
(ppm or mg/kg)
Lead (Pb) 88.3 70 106 configuration
Subfactor 4: RoHS 2-3 Glass Standard
RoHS 2-3 Glass Standard Element Certified Value
(ppm or mg/kg) Low Limit
(ppm or mg/kg) High Limit
(ppm or mg/kg)
Lead (Pb) 1000 Must have a detectable measurement reading >100ppm.
configuration
Subfactor 5: NIST Standard Reference Material® 2569 Level 3 Lead Paint Films
NIST Standard Reference Material® 2569 Level 3 Lead Paint Films Element Certified Value
(ppm or mg/kg) Low Limit
(ppm or mg/kg) High Limit
(ppm or mg/kg)
Lead (Pb) 314 Must have a detectable measurement reading.
Measurement time will be 120 seconds on optimum filter setting configuration
FACTOR B: Evaluate the use of the “test all” mode or equivalent for sample analysis.
The “test all” mode or equivalent will automatically select the mode for the user when the user is uncertain of the appropriate mode to choose. The “test all” mode or equivalent will determine the sample matrix (i.e. metal, plastic, painted metal, PVC plastic) and apply the appropriate algorithms for elemental detection and quantification. The following reference standards will be used to evaluate:
Subfactor 1: ERM®-EC681k Polyethylene (high level) Subfactor 2: NIST Standard Reference Material® 2861 PVC Subfactor 3: MBH Analytical Tin Check Sample (180-606) Subfactor 4: XOS Coated Reference Sample 900071-08 ZINC
The “test all” mode or equivalent will correctly identify the sample matrix and shall provide measurement results within the following low/high limit specifications outlined in the tables below for each of the reference standard materials:
Subfactor 1: ERM®-EC681k Polyethylene (high level) Standard
ERM®-EC681k Element Sample
Matrix ID Certified Value (ppm or mg/kg)
Low Limit (ppm or mg/kg)
High Limit (ppm or mg/kg)
Lead (Pb) Plastic
98 74 122 Arsenic (As) 29 15 44
Cadmium (Cd) 137 96 178
Chromium (Cr) 100 50 150 Measurement time will be a minimum of 60 seconds on optimum filter setting configuration for each element
Subfactor 2: NIST Standard Reference Material® 2861 PVC NIST Standard Reference Material® 2861
Element Sample Matrix ID
Certified Value (ppm or mg/kg)
Low Limit (ppm or mg/kg)
High Limit (ppm or mg/kg)
Lead (Pb) PVC Plastic 88.3 70 106 filter setting configuration
Subfactor 3: MBH Analytical Tin Check Sample (180-606) MBH Analytical Tin Check Sample (180-606)
Element Sample Matrix ID
Composition
Low Limit (ppm or mg/kg)
High Limit (ppm or mg/kg)
Lead (Pb) Metal 0.13 Must have a detectable measurement reading >100ppm.
Subfactor 4: XOS Coated Reference Sample 900071-08 ZINC
XOS Coated Reference Sample 900071-08 ZINC Element Sample
Matrix ID Certified Value (ppm or mg/kg)
Low Limit (ppm or mg/kg)
High Limit (ppm or mg/kg)
Lead (Pb) Painted Metal
287 Must have a detectable measurement reading >90ppm
(0.0090%) Measurement time will be a minimum of 120 seconds on optimum
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