In our recent webinar, our technical experts outlined the latest changes under the new lead regulations and how these updates may impact laboratory operations. These new limits create significant challenges for both field teams and laboratories, including the need for greater analytical sensitivity and evolving compliance expectations. Our built environment labs have made all the changes needed to support these low limits. Here is a quick summary of the key updates and what they mean for compliance moving forward.
What’s New?
As discussed during the webinar, there is no safe level of lead exposure. While lead has been regulated for decades, lead pollution continues to present significant health and compliance challenges.
The U.S. Environmental Protection Agency (EPA) has significantly lowered residential dust hazard standards and post-abatement action levels for floors, window sills, and window troughs. With these thresholds dropping, labs are now being asked to reliably measure much lower lead levels in dust wipes.
| Substrate | Lead Dust Action Levels | EPA Required Reporting Limit (RL) | Wipe Area needed to Achieve RL by Flame AAS |
| Floors | < 5 µg/ft² | 4 ug/ft² | 2 ft² |
| Window Sills | < 40 µg/ft² | 32 ug/ft² | 36 in² |
| Window Wells/Troughs | < 100 µg/ft² | 80 ug/ft² | 14.5 in² |
That doesn’t necessarily change the instrumentation, but it does increase the need for strong digestion practices, calibration, detection limits, and quality contr6ol, as laboratories are now expected to produce reliable results at much lower levels.
How SGS Can Help?
Lead regulations, expectations, and project complexity continue to evolve. Whether it’s lower action levels, more stringent sampling requirements, or increased scrutiny around data quality, the landscape is becoming more demanding for everyone involved. Understanding how these changes affect your specific project is key to staying compliant and avoiding delays.
At SGS, we help clients navigate that complexity and keep projects moving forward. With comprehensive lead testing across air, water, dust, soil, and building materials, along with guidance on selecting the right methods from the start, we help reduce uncertainty, prevent rework, and deliver clear, defensible results you can act on.
| Matrix | Methods | Instrumentation | Typical Detection Limits | Typical Reporting Limits |
| Drinking Water | EPA Method 200.8 | ICP- MS | ~ 0.005 – 0.7 ppb | 0.1–0.5 µg/L |
| EPA Method 200.9 | Graphite Furnace AAS | ~0.01 – 0.1 µg/L | 0.1–1.0 µg/L | |
| EPA Method 200.7 | ICP-OES | ~1 – 10 µg/L | ~5–10 µg/L | |
| SM3113B | Instrumentation = Graphite Furnace | ~0.8 ug/L (ppb) | 1-2 ug/L (ppb) | |
| Solid/ Soil/ Paint | EPA Method 3050B | Prep Method | N/A | N/A |
| EPA Method 3051A/ 3052 | Prep Method | N/A | N/A | |
| EPA 6010D | ICP-OES | ~0.5 – 5 mg/kg | ~1 – 10 mg/kg | |
| EPA 6020A | ICP-MS | ~0.1 – 0.5 mg/kg | ~0.1–1 mg/kg | |
| EPA Method 7000B | AAS | ~10–50 mg/kg | ~10–50 mg/kg | |
| Wipe | ASTM E3203 | ICP/ AAS | ~1–10 µg/wipe | ~1–10 µg/wipe |
| ASTM E3203 | ICP – MS | ~0.1–2 µg/wipe | ~0.1–2 µg/wipe | |
| NIOSH 9100 | ICP/AAS | ~2 µg | ~2–5 µg/wipe | |
| 7000B | Flame AAS | 4.4ug/wipe or 0.148ppm | 8ug/wipe | |
| Air | NIOSH 7300 | ICP- AES | ~0.05 – 0.1 µg per filter | ~0.1–1 µg/m³ |
| NIOSH 7303 | ICP-MS | ~0.05 – 0.6 µg per sample | ~0.01–0.1 µg/m³ | |
| NIOSH 7082 | AAS | ~2–3 µg per sample | ~1–5 µg/m³ | |
| 7000B | Flame AAS | 1.5ug/filter | 3.0ug/filter |
Watch the Recording
Missed the live session?
Register here Lead Regulations Are Changing: What You Need to Know for 2026 and Beyond to access the webinar recording and discover how lead regulation changes could impact your sampling, analysis and reporting processes!
Choose SGS
To learn more about our up-to-date methods and how we support compliance in this evolving regulatory landscape, visit env.sgs.com or contact us at [email protected].