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Frequently Asked Questions

What is the turnaround time for getting results on analysis?

Generally, 3-5 working days for most samples. If faster service is required, we can expedite at a 100% surcharge for 24 hr turnaround, or 50% surcharge for 48 hr turnaround.

How do I ship a sample to you?

Fed Ex and UPS seem to get samples to us faster than anyone, with the least inconsistency. Locally, courier services are great. Our shipping address is:

ACS Labs, Inc.

16203 Park Row, Suite 100

Houston TX 77084

How much sample do I need to send?

Various types of analyses require different amounts of samples to be submitted for the required analyses. A general guideline of amount of sample to submit is:

Water samples for metals: 100-200ml
Water samples for Mineral Pattern Analysis: 250-500ml
Oil & Organic Liquids: 50-100ml
Organic and/or Chemical Solids: 5-20g
Gases: in pressurized cylinders to yield 5-50g
Ores, Metals, Catalysts, Polymers: 10-20g

How are results reported?

Reports are emailed as PDF files, or faxed. Original copies mailed upon request.

How should I send petroleum samples for which Mercury (Hg) and Arsenic (As) are requested?

Mercury (Hg) and Arsenic (As) petroleum samples should be sent to ACS in glass or plastic containers. Do not send in metal cans.

How do I convert PPM results to Troy Ounces Per Ton?

To convert PPM to Troy Oz Per Ton, divide by 34; or X by .0292

Which metals are the 8 Precious Metals?

The 8 Precious Metals are:

Gold (Au), Silver (Ag), Platinum (Pt), Palladium (Pd), Iridium (Ir), Osmium (Os), Rhodium (Rh), and Ruthenium (Ru)