Toxic and Hazardous Chemical Substance Testing Services: Protecting Health, Safety & Regulatory Compliance

As an independent third-party testing service provider, we offer comprehensive analysis for toxic and hazardous chemical substances in industrial products, consumer goods, workplace environments, and waste streams. Toxic and hazardous substances – including carcinogens, mutagens, reproductive toxins (CMRs), heavy metals, volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), phthalates, flame retardants, isocyanates, pesticides, and emerging contaminants – pose serious risks to human health and the environment. Our accredited laboratory follows international regulations (REACH, RoHS, TSCA, CLP, GHS, OSHA, EPA, WHO, GB/Z 2.1, and others) to deliver reliable, legally defensible data. This article outlines our toxic and hazardous chemical testing capabilities – including scope, key test items, and standard test methods – to help manufacturers, importers, employers, and regulatory bodies ensure product safety, occupational hygiene, and environmental protection.

1. Our Testing Scope for Toxic and Hazardous Chemical Substances

We cover a wide range of substance classes, matrices, and regulatory frameworks:

By substance class: Heavy metals & metalloids (lead, cadmium, mercury, chromium VI, arsenic, nickel, cobalt, thallium, antimony); Volatile organic compounds (benzene, toluene, ethylbenzene, xylenes, styrene, vinyl chloride, trichloroethylene, tetrachloroethylene, formaldehyde); Semi‑volatile organic compounds (phenols, cresols, phthalates, anilines, nitroaromatics); Polycyclic aromatic hydrocarbons (PAHs – especially benzo[a]pyrene, naphthalene, etc.); Halogenated compounds (PCBs, dioxins & furans – PCDD/Fs, brominated flame retardants – PBDEs, HBCD, TBBPA); Phthalate plasticizers (DEHP, DBP, BBP, DINP, DIDP, DNOP); Organotin compounds (TBT, DBT, TPhT – antifouling paints, PVC stabilizers); Isocyanates (TDI, MDI, HDI – in polyurethane products, workplace air); Biocides & pesticides (organochlorines, organophosphates, pyrethroids, carbamates, neonicotinoids); Asbestos (chrysotile, crocidolite, amosite, tremolite, actinolite, anthophyllite); Cyanides, sulfides, fluorides; Nitrosamines (in rubber products, cosmetics); Bisphenol A (BPA) & related analogues (BPS, BPF); Per‑ and polyfluoroalkyl substances (PFAS – PFOA, PFOS, PFHxS, GenX); Formaldehyde & acetaldehyde; Aromatic amines (from azo dyes, polyurethane); Glycol ethers; Respiratory sensitizers (diisocyanates, acid anhydrides, etc.).

By matrix: Raw materials & industrial chemicals; Finished consumer products (toys, textiles, footwear, electronics, furniture, paints, coatings, adhesives, sealants); Food contact materials (plastics, coatings, paper/board); Cosmetic products; Pharmaceutical ingredients & intermediates; Workplace air (personal and area sampling); Surface wipes for contamination; Waste (industrial, hazardous, medical); Water (drinking water, industrial effluent, leachate); Soil and sediment; Dust (indoor, floor, vacuum).

By regulatory driver: REACH (EC 1907/2006) – SVHC, Annex XVII restrictions; RoHS (2011/65/EU & amendments); POPs Regulation (EU 2019/1021); TSCA (US Toxic Substances Control Act); California Proposition 65; China GB standards (GB 18580-18588, GB/T 17592, GB/T 22807, GB/Z 2.1, etc.); OSHA (29 CFR 1910.1000 – permissible exposure limits); WHO guidelines for drinking water quality.

2. Key Test Items We Perform

Our toxic and hazardous chemical testing services are grouped by substance class and application. For each test, we provide accurate quantification down to trace levels (ppm, ppb, or ppt).

2.1 Heavy Metals & Toxic Elements

Lead (Pb), Cadmium (Cd), Mercury (Hg), Chromium VI (Cr⁶⁺), Arsenic (As), Nickel (Ni), Cobalt (Co), Antimony (Sb), Selenium (Se), Thallium (Tl), Barium (Ba), Copper (Cu), Zinc (Zn) – total content and leachable (e.g., EN 71‑3, EPA 1311).
Chromium speciation (Cr III vs. Cr VI) – essential for leather, metal finishing, cement.
Mercury speciation (inorganic vs. methylmercury) – in fish, sediment.
Methodologies: ICP‑OES, ICP‑MS, AAS (flame, graphite furnace), colorimetric diphenylcarbazide for Cr⁶⁺, cold vapor AFS for mercury.

2.2 Volatile Organic Compounds (VOCs)

Benzene, Toluene, Ethylbenzene, Xylenes (BTEX).
Chlorinated solvents – trichloroethylene (TCE), tetrachloroethylene (PCE), 1,1,1‑trichloroethane, vinyl chloride, methylene chloride, carbon tetrachloride.
Styrene, n‑hexane, cyclohexane.
Formaldehyde, acetaldehyde, acrolein.
Vinyl chloride monomer (in PVC).
Gasoline range organics (GRO).
Methodologies: GC‑MS (headspace or purge & trap), HPLC‑UV for aldehydes (DNPH derivatisation).

2.3 Polycyclic Aromatic Hydrocarbons (PAHs)

16 EPA priority PAHs – including benzo[a]pyrene (BaP), benzo[e]pyrene, dibenzo[a,h]anthracene, naphthalene, phenanthrene, etc.
Regulated in: REACH Annex XVII (entry 50), GS mark (AfPS GS 2019:01 PAK), EU toys (EN 71‑10), tyre fillers.
Methodologies: GC‑MS, HPLC‑FLD/UV, with Soxhlet or pressurised solvent extraction (ASE).

2.4 Phthalates (Plasticizers)

DEHP, DBP, BBP, DINP, DIDP, DNOP, DIBP, DCHP, etc.
Restricted in: RoHS, REACH Annex XVII (entry 51 & 52), toys (EN 71‑5, CPSC), food contact materials.
Methodologies: GC‑MS (after solvent extraction and clean‑up).

2.5 Flame Retardants

Brominated flame retardants (BFRs) – PBDEs (penta‑, octa‑, deca‑BDE), HBCD (hexabromocyclododecane), TBBPA (tetrabromobisphenol A), TBPH, etc.
Chlorinated flame retardants – SCCPs, MCCPs (short‑chain and medium‑chain chlorinated paraffins), Dechlorane Plus.
Organophosphorus flame retardants (OPFRs) – TCEP, TCPP, TDCPP, TPP, EHDPP.
Methodologies: GC‑MS, GC‑MS/MS, LC‑MS/MS (for some polar OPFRs).

2.6 Isocyanates

TDI (toluene diisocyanate), MDI (methylene diphenyl diisocyanate), HDI (hexamethylene diisocyanate), IPDI, etc.
Matrices: Polyurethane raw materials, paints, adhesives, workplace air (personal monitoring).
Methodologies: HPLC‑UV/FL after derivatisation (1‑2‑MP, DBA, or DAPP).

2.7 Aromatic Amines (from Azo Dyes)

22 banned aromatic amines (e.g., benzidine, 4‑aminobiphenyl, o‑toluidine, 2‑naphthylamine, etc.).
Regulations: REACH Annex XVII entry 43 (textiles, leather), EU 1907/2006, GB 18401 (China).
Methodologies: GC‑MS or LC‑MS/MS after reductive cleavage of azo dyes.

2.8 PFAS (Per‑ and Polyfluoroalkyl Substances)

PFOA, PFOS, PFHxS, PFNA, PFDA, PFUnA, GenX (HFPO‑DA), ADONA, and many other C4‑C14 perfluorocarboxylic and sulfonic acids.
Restrictions: POPs Regulation, REACH Annex XVII, EU drinking water directive (PFAS total), US EPA.
Methodologies: LC‑MS/MS (isotope dilution).

2.9 Carcinogenic Solvents & Other VOCs

Benzene, 1,3‑butadiene, formaldehyde, acetaldehyde, epichlorohydrin, ethylene oxide, 1,2‑dichloropropane, etc.
Methodologies: GC‑MS (air canister or sorbent tube).

2.10 Asbestos & Other Fibers

Asbestos types – chrysotile, crocidolite, amosite, tremolite, actinolite, anthophyllite.
Matrices: Bulk building materials (insulation, ceiling tiles, brake linings), soil, air (phase contrast microscopy – PCM; transmission electron microscopy – TEM).
Methodologies: Polarised light microscopy (PLM), TEM, SEM‑EDS.

2.11 Cyanides & Sulfides

Total cyanide, amenable cyanide, free cyanide.
Sulfide (as hydrogen sulfide).
Methodologies: colorimetric (pyridine‑barbituric acid), ISE, titration.

2.12 Workplace Air Monitoring (Occupational Hygiene)

Personal and area sampling for – VOCs, PAHs, metals, isocyanates, acid gases, respirable dust (silica), formaldehyde, asbestos.
Methodologies: OSHA methods, NIOSH methods, EN 689, GBZ 159.

3. Standard Test Methods We Apply

All tests are performed according to internationally recognised standards. Our laboratory is ISO/IEC 17025 accredited and equipped with GC‑MS, GC‑MS/MS, LC‑MS/MS, ICP‑MS, ICP‑OES, HPLC, IC, PLM/TEM for asbestos, and air sampling pumps.

3.1 Heavy Metals Standards

Total metals (ICP‑MS / ICP‑OES): EPA 3050B, 3052 (digestion); EN 71‑3 (leachable metals); ASTM E1613.
Hexavalent chromium (Cr⁶⁺): ISO 17075 (leather), EPA 7196A (colorimetric), IEC 62321 (electronics).
Mercury (cold vapor): EPA 245.1, 7473 (direct analyser).

3.2 VOC & PAH Standards

VOCs in products / materials: ISO 16000‑6, EPA 5021 (headspace), ASTM D7823 (phthalates and VOCs).
PAHs: ISO 18287 (soil), EN 16190 (solid matrices), AfPS GS 2019:01 PAK (consumer products).
Formaldehyde (product emission): EN 717‑1 (chamber), ISO 14184‑1 (textiles), ASTM D5582 (wood panels).

3.3 Phthalates & Flame Retardants Standards

Phthalates (GC‑MS): ASTM D7823, CPSC CH‑C1001, EN 15742, IEC 62321‑8.
PBDEs / HBCD (GC‑MS, GC‑MS/MS): EPA 1614, IEC 62321‑6, EN 1948.
Chlorinated paraffins (LC‑MS/MS or GC‑ECNI‑MS): EN 17422, ISO 18219.
OPFRs (GC‑MS, LC‑MS/MS): ASTM D8066, ISO 21642.

3.4 Isocyanate Standards

Isocyanates in air (HPLC with derivatisation): OSHA 42, 47, 56; NIOSH 5525; ISO 16702.
Isocyanates in materials: ASTM D5629 (materials).

3.5 Azo Dye / Aromatic Amine Standards

EN 14362‑1 (textiles – extraction with or without fibre stripping).
GB/T 17592 (China), ISO 14362.

3.6 PFAS Standards

EPA 537.1, 533 (drinking water); ISO 25101 (water); EPA 1633 (aqueous, solid, tissue).

3.7 Asbestos Standards

Bulk materials (PLM): EPA 600/R‑93/116, ISO 22262‑1, ISO 22262‑2.
Air (PCM): NIOSH 7400, ISO 8672.
Air (TEM): ISO 10312 (direct transfer), ISO 13794 (indirect).

3.8 Workplace Air Standards

OSHA Methods (e.g., OSHA 1005 for benzene, OSHA 47 for isocyanates).
NIOSH Manual of Analytical Methods (NMAM).
EN 689 (workplace exposure assessment).
GBZ 160 series (China).

4. Why Choose Our Third‑Party Toxic and Hazardous Chemical Testing Services?

As an independent laboratory with deep expertise in hazardous substance analysis, we provide unbiased, accurate, and legally defensible data. Our advantages include:

ISO/IEC 17025 accreditation – CNAS/CMA certified, regularly participating in proficiency testing (e.g., ERA, BFR, IPE).
Low detection limits – sub‑ppb for most organic contaminants, sub‑ppm for metals, ppt for PFAS and dioxins.
Multi‑regulation expertise – we understand REACH, RoHS, Prop 65, TSCA, China GB, and can advise on appropriate test suites.
Fast turnaround – typical screening (e.g., lead, phthalates, PAHs) in 3‑5 business days; detailed congener‑specific analysis (PCBs, dioxins) in 10‑15 business days.
Comprehensive reporting – includes QC data, chromatograms, detected concentrations, and comparison to regulatory limits.
Confidentiality – full protection of your product composition, supply chain, and internal data.
Technical support – our toxicologists and chemists help interpret results, identify potential substitution options, and prepare safety data sheets (SDS) compliant with CLP/GHS.

Whether you need to screen incoming raw materials for REACH SVHCs, verify RoHS compliance for electronics, measure occupational exposure to isocyanates, or test consumer goods for Proposition 65 listed chemicals, our hazardous substance testing experts are ready to protect your business and your customers.

Get Started with Your Toxic and Hazardous Chemical Testing Project

Contact our team with your substance list (or product category), matrix, target regulation, and detection limit requirements. We will provide a detailed quotation, sampling instructions, and a testing schedule. Let us help you minimise risk, ensure compliance, and safeguard human health.

This article provides an overview of our toxic and hazardous chemical testing capabilities. For specific test methods, sample quantity, and pricing, please request a tailored service proposal.