SKC DPS User manual

Operating Instructions
SKC Deployable Particulate
Sampler (DPS) System
SKC Inc.
863 Valley View Road
Eighty Four, PA 15330
Form 38049 Rev 1702

Pre3
DPS System Quick Guide
Media Preparation and Installation
1. Prepare impaction discs and filters.
2. Disassemble impactor.
3. Insert collection filter in filter cassette.
4. Press prepared impaction disc into top of filter cassette.
5. Reinsert filter cassette in impactor.
6. Reassemble impactor.
Sampling Setup and Calibration
1. Set up sample pump. Set pump flow rate to 10 L/min. (See Leland Legacy Quick Guide. For
advanced programming, see Leland Legacy Operating Instructions.)
2. Screw calibration adapter onto impactor.
3. Use tubing with quick-connect to attach pump inlet to outlet of impactor. Use short tubing to
connect inlet of calibration adapter to outlet of calibrator to form a calibration train. Calibrate
pump flow rate with calibrator. Record flow rate. Reset accumulated data if required.
4. Disconnect calibrator and remove calibration adapter from impactor. Remove calibration
media and place new unexposed media in impactor.
5. Mount bracket at desired location.
6. Screw impactor onto mounting bracket.
7. Screw rain cover onto impactor.
Sampling
1. Turn on pump and record pertinent data. (Leland Legacy pump may be started manually or
automatically, see Quick Guide.)
2. Turn off pump after desired sample time has elapsed. Record pertinent information.
3. Remove rain cover, reinstate calibration train, and verify pump flow rate.
Sample Removal
1. Use quick-connect to detach tubing from pump.
2. Disassemble impactor.
3. Remove impaction disc.
4. Remove filter cassette, disassemble, and remove collection filter.
5. Place collection filter in appropriate container for shipping.
SKC Inc., 863 Valley View Road, Eighty Four, PA 15330 • www.skcinc.com

Pre5
Table of Contents
Introduction............................................................................................ 1
Performance Profile .............................................................................. 2
Principle of Operation........................................................................... 3
Media Preparation ................................................................................. 4
Impactor Preparation ............................................................................ 4
Cleaning .......................................................................................................................4
O-ring Care................................................................................................................... 4
Inserting a Collection Filter into the IMPACT Sampler ................................................. 5
Inserting an Impaction Disc into the IMPACT Sampler ................................................ 6
Sample Pump Operation....................................................................... 7
Charging the Battery .................................................................................................... 7
Reading the Charging Status LED ............................................................................... 8
Battery Setup................................................................................................................ 8
Battery Replacement.................................................................................................... 9
Leland Legacy Quick Guide ....................................................................................... 10
Calibration and Sampling ................................................................... 11
Calibration .................................................................................................................. 11
Sampling .................................................................................................................... 12
Sample Removal, Shipping, and Analysis ........................................ 13
Removing the Collection Filter and Impaction Disc.................................................... 13
Shipping Samples ...................................................................................................... 13
Analysis ...................................................................................................................... 13
Ordering Information........................................................................... 14
Li-Ion Battery Shipment...................................................................... 16
Warranty............................................................................................... 16
Indicates a reminder or note
Indicates a warning or caution

1
INTRODUCTION
The SKC DPS System is a compact, portable, baery-operated, and cost-effective
particulate sampling system that ensures the ability to monitor particulate maer
(PM) in indoor and outdoor environments and in urban, industrial, or rural seings.
The system features the fully programmable constant flow Leland Legacy®Sample
Pump, the IMPACT Sampler, and other equipment needed for effective ambient
PM10 or PM2.5 sampling. All components are packaged in an easily carried heavy-
duty Pelican®case from which the system operates. See Figure 1.
The heart of the DPS System is the patented* IMPACT Sampler. This inertial impactor
is designed to remove particles larger than a specific cut-point (2.5 μm or 10 μm) by
capturing them on a disposable oiled impaction disc that reduces particle bounce.
Particles smaller than the cut-point are collected on a 47-mm filter. The IMPACT
Sampler mounts easily and makes media changes fast and simple with its convenient
removable filter cassee and opener.
* U.S. Patent No. 7,334,453
The SKC DPS System includes a Leland Legacy Sample Pump with connection case
andcharger (100-240V), IMPACT sampling head, 2filter cassees, calibration adapter,
raincoverfor sampling head, 25 disposable impaction discs, filter cassee opener, tubing
with quick-connect fiing, and mounting bracket in a heavy-duty lockable carry case.
Two external baery assemblies with adapters are packaged separately.
Calibration tubing
Mounting
bracket
Rain cover
Additional
filter
cassette
Leland Legacy
pump with
connection case
and cable
Tubing with
quick-connect fitting
Quick-connect
release
Cassette
opener
Quick-connect fitting
External battery
assemblies with
battery adapters (2)
World-wide plugs
for charger
Calibration adapter
Impaction discs
(25)
IMPACT sampler
with filter cassette
Charging unit and
power supply
Figure 1. DPS System

2
PERFORMANCE PROFILE
Flow Rate: 10 L/min
50% Cut-point: 10 μm or 2.5 μm
Run Time: > 24 hours on one battery charge
Power: Rechargeable lithium-ion (Li-Ion) battery, 7.4 V, 12-Ah capacity,†
88.8 Wh
Battery Recharge Time: 15 hrs
Impaction Discs: • Recommended impaction disc to reduce particle bounce:
37-mm disposable pre-oiled porous plastic disc (supplied with
DPS System)
• For chemical analysis of larger particles:
37-mm filter (quartz or PTFE§)
Collection Filter: 47-mm quartz or PTFE§with support ring
Analysis: Gravimetric and/or chemical
Tubing: 3/8-in ID reinforced flexible PVC (supplied)
Temperature: Charging: 32 to 113 F (0 to 45 C)
Storing: -4 to 95 F (-20 to 35 C)
Operating: 32 to 104 F (0 to 40 C)
Operating Humidity: 0 to 95% non-condensing
Altitude: Do not use pump beyond 7500 ft.
RFI/EMI Shielding: CE marked
Case Dimensions: 18.5 x 14.1 x 6.9 in (47 x 36 x 18 cm)
Complete System Weight: 13 lbs (5.9 kg)
Sampling Head (Impactor)
Dimensions: 2.6 dia. X 1.8 H x 3.8 L in (7 x 5 x 10 cm)
Sampling Head (Impactor)
Weight: 0.5 lb (0.23 kg)
Note: The DPS System provides data similar to data from Federal Reference Method samplers. The
DPS System is not a U.S. EPA reference or equivalent method for compliance sampling.
† DPS Systems contain Leland Legacy pumps with Li-Ion baeries and may be subject to special
shipping regulations.
§ Back pressure on PTFE filters can vary within the same lot.
Use in non-explosive environments only. Not intrinsically safe

3
PRINCIPLE OF OPERATION
A sample pump draws particle-laden air at a flow rate of 10 L/min through an iner-
tial impactor to separate airborne particles according to aerodynamic diameter. See
Figure 2. Particles enter the impactor through eight nozzles on top of the sampler.
The inlet nozzles are sized to operate at a 10 L/min flow rate, causing eight airjets
to impinge onto the impaction disc positioned below the inlet nozzles. Particles
larger than the sampler cut-point with enough inertia to cross the airstream lines
impact on the impaction disc. The airflow, containing smaller particles, makes a
sharp turn, passes through the openings in the top of the filter cassee, and follows
through to a 47-mm filter where the smaller particles collect.
The top of the filter cassee accommodates the impaction disc. For optimum impac-
tor performance, a 37-mm oiled porous plastic disc is recommended as disposable
collection substrate (supplied with system). If chemical analysis of larger particles
is desired, a 37-mm filter (quaror PTFE) may be used.
Inlet
PTFE O-ring
Impaction disc
BUNA-N O-ring
Exhaust
The two main components of the DPS System:
IMPACT Sampler and Leland Legacy Sample Pump
Exploded view of IMPACT Sampler
Rain cover
Airflow
Airflow
Airflow
Airflow
Airflow
Filter cassette top
Collection filter
Stainless steel support
Filter cassette bottom
Figure 2. IMPACT Sampler and Leland Legacy Sample Pump

4
MEDIA PREPARATION
Collection Filters: Equilibrate and pre-weigh filters in a clean environment
according to appropriate procedures. Record the weight as the pre-sample
weight.
Impaction Disc: Ready-to-use pre-oiled disposable plastic impaction discs are included
with the system (qty. 25). Replacement pre-oiled plastic discs are available as SKC
Cat. Nos. 225-395 (qty. 25) and 225-395A (qty. 50). Using an oiled impaction disc
reduces particle bounce.
37-mm filters (quaror PTFE) may be used if chemical analysis of larger par-
ticles is desired.
IMPACTOR PREPARATION
Cleaning
For optimum performance, the IMPACT Sampler inlet, exhaust, and filter cas-
see should be cleaned after five runs or upon a noticeable buildup of material.
This will remove oil buildup from the top of the filter cassee and other residue
built up from frequent sampling. Disassemble the impactor and wash parts in
water with a liquid detergent or soap. Rinse and air dry all parts thoroughly in a
clean environment.
Do not place any mechanical object in the inlet nozzles.
O-ring Care
Visually inspect the condition of the BUNA-N exhaust O-ring (see illustration on
page 3 for location). Ensure the O-ring surface is smooth (i.e., without cracks, cuts,
or other damage). Ensure the O-ring is fied properly in its channel. Replace the
exhaust O-ring if there is apparent damage, stretching, or thinning. It is recom-
mended that the PTFE inlet O-ring be replaced by the manufacturer only.

5
Inserting a Collection Filter into the IMPACT Sampler
The IMPACT Sampler will arrive already assembled. Disassemble it to insert
collection filter.
Unscrew the inlet from the exhaust. Remove the filter cassee.
3a. Use the filter cassee opener
to open the filter cassee.
3b. Slide the filter cassee horizon-
tally into the “U” of the opener
until the two halves of the cas-
see loosen. Gently pull halves
apart.
Ensure the stainless steel support
screen is in place in the boom of the
filter cassee.
Using forceps, place a preweighed
47-mm filter on the support screen.
Press the filter cassee top into the
filter cassee boom.
Reinsert the cassee into the impactor.
1
7
Technical Tidbit
• Use forceps to carefully
insert and remove the
collection filter. See
Accessories for forceps.

6
Inserting an Impaction Disc into the IMPACT Sampler
For PM2.5 or PM10 sampling, insert an impaction disc only after a collection
filter has been loaded into the filter cassee.
Technical Tidbits
• Install the rain cover (included with the DPS System) on the inlet of the
IMPACT Sampler when sampling outdoors.
• SKC recommends using a new impaction disc for each sample.
For PM2.5 or PM10,
ensure a collection filter
has been loaded into the
filter cassee (see Inserting
a Collection Filter into the
IMPACT Sampler).
1
Place the impaction disc in the recessed area
on the filter cassee top. The rough side of the
impaction disc should face up. SKC-supplied discs
are stamped with “UP” on the appropriate side.
Place the filter cassee on the exhaust and screw
the impactor inlet and exhaust together just until
tight. Further hand-tighten by 1/4 turn only.
Do not overtighten the impactor inlet and
exhaust. Do not use the barbed fiing as
leverage when tightening.
Keep the sampler upright until the inlet
is securely screwed onto the exhaust to
prevent the impaction disc from being
dislodged.

7
SAMPLE PUMP OPERATION
The user may choose to operate the pump manually in the
field (on/off), program a schedule into the pump manually,
or program the pump for multiple schedules from a PC with
optional DataTrac®Software for Leland Legacy (see Ordering
Information, Accessories).
See Quick Guide for operating instructions for the SKC Leland
Legacy Sample Pump. For advanced programming, see the
complete Leland Legacy Pump Operating Instructions.
Charging the Battery
Completely charge a new baery pack using the SKC-approved charger (Cat. No.
223-241) before operating the pump. It may be necessary to charge the baery a
few times before maximum baery capacity is achieved.
Cautions:
• Do not charge or operate the pump with or without a charger in hazardous
locations.
• Use only the SKC-approved charger for this pump. Use of an unapproved
charger may damage the baery and pump and voids any warranty.
• Do not open, disassemble, short circuit, crush, incinerate, or expose the
baery to fire or high temperatures.
• Tampering with the baery pack voids any warranty.
• Ensure proper orientation of charging cable before plugging it into the
charging jack. Improper orientation/contact will short-circuit the baery
and voids any warranty.
• Short-circuiting the baery pack will render it immediately inoperative.
• Failure to follow warnings and cautions voids any warranty.
The baery pack may be kept on the SKC-approved charger for an
indefinite time.
1. Insert the plug from the charging unit into the
charging port on the baery adapter (on top of
the external baery assembly).
2. Insert the plug from the power supply into the
jack on the charging unit.
3. Install the appropriate wall plug on the power
supply and plug the power supply into a power
outlet.
The baery will recharge in approximately 15
hours. For a complete charge, do not run the pump
connected to the external baery assembly during
1
External
battery
assembly
Battery
adapter
Charging
unit plug
Power
supply
Charging
unit
External
battery
assembly

8
charging. After charging is complete, disconnect the baery from the charger and
connect the pump to the baery (see Baery Setup).
After charging the baery pack, it is good practice to run the pump for
approximately 5 minutes before calibrating. This ensures the baery is in
more steady-state conditions and improves the agreement in pre and post-
sampling calibrations.
Reading the Charging Status LED
The Li-Ion Charging Unit indicates baery charge
status via an LED on the unit that blinks in specific
paerns. Observe the LED steadily for > 5 seconds to
read charge status.
LED Action Charge Status
ON
steady
Charge in progress
ON
2 sec
OFF
{
.25 sec
ON
2 sec
(Repeats) Approximately
80% charged
OFF
{
2 sec
ON
.25 sec
OFF
{
2 sec
(Repeats) Charge completed
Battery Setup
1. Insert the plug on the connecting cable from the
pump into the jack on the baery adapter (on top
of the external baery assembly).
2. Insert the external baery assembly into a foam
compartment in the case. Ensure there is no
tension on the connecting cable.
Power supply jack
Charge status LED
For more information on SKC pump Li-Ion batteries, go to
http://www.skcinc.com/instructions/1918.pdf.
1
Connecting cable
External battery
assembly
Connecting cable
External battery
assembly Battery adapter

9
Battery Replacement
1. Record all necessary data before unplugging the pump from the baery.
2. Remove the plug on the connecting cable from the jack on the baery adapter
(on top of the external baery assembly).
3. Insert the plug on the connecting cable into the baery adapter jack on a new,
fully charged external baery assembly.
4. Insert the external baery assembly into the foam compartment in the case.
Ensure there is no tension on the connecting cable.

10
Leland Legacy Quick Guide
Terms »
Star button
• Scrolls through run time data and Setup options
Up and down arrow buttons
• Toggle between display choices and increase or decrease sampling parameters in Setup
Button sequence
= press buttons individually
[] = press simultaneously
= security code, always press in sequence
Security code
• Prevents unauthorized changes to the pump’s sampling program
Programming Sequences »
• To activate pump (e.g., to change pump from Sleep to Hold):
Press any button.
• To change pump from Hold to Run or Run to Hold:
Press [].
• To reset accumulated data:
Press [], then . Press until CLr displays then press []; press until End displays
then press [].
• To set pump flow rate:
Press [], then . Flow rate and SET flash. Press or to change flow rate. Press until
End appears then press [] to save setting and place pump in Hold.
• To calibrate flow rate with standard calibrator:
Press [], then . Flow rate and SET flash. Press or to change flow rate. Press once.
ADJ displays. Press or until desired flow rate is indicated on calibrator. When finished, press until
End displays then press [] to save new setting and place pump in Hold. For CalChek Calibration, see
operating instructions.
• To change temperature scale from F to C or C to F:
Press [], then . Press until temperature displays. Press or to switch units; press
until End displays then press [] to save new setting.
• To change atmospheric pressure scale (mm, mb, In):
Press [], then . Press until pressure displays then press or to switch units; press
until End displays then press [] to save new setting.
• To change time scale (12 Hr/24 Hr/Dela):
Press [], then . Press until 12 Hr, 24 Hr, or Dela displays then press or to switch
units; press until End displays then press [] to save new setting. To set delayed start (Dela), see
operating instructions.
• To change clock:
Press [], then . Press until clock displays then press or to change flashing hour; press
to move to minutes and or to change setting. Press until End displays then press [] to save
new setting.
• To change the sampling time function:
Press [], then . Press until ST L/min displays then press to change flashing digit; press
until End displays then press [] to save new setting. To delete, follow above steps and press until
0 appears. Exit Setup.
Note: When in Setup, choosing Esc instead of End will exit Setup without saving new settings.
SKC Inc., 863 Valley View Road, Eighty Four, PA 15330 • www.skcinc.com

11
CALIBRATION AND SAMPLING
Calibration
Allow pump to equilibrate after moving it from one temperature extreme
to another.
Calibrate pump flow rate with the IMPACT Sampler in line (loaded with
representative filter and impaction disc). See pump and calibrator operating
instructions.
Set the pump flow rate to 10 L/min (see Leland Legacy
Quick Guide). Ensure the pump has run for 5 minutes
before proceeding with calibration. Ensure the rain cover is
removed from the inlet and that the impactor is loaded with
representative media and fully assembled (see Inserting a
Collection Filter into the IMPACT Sampler and Inserting
an Impaction Disc into the IMPACT Sampler).
Screw the calibration adapter onto the impactor inlet.
Calibrate pump flow rate with a calibrator. Adjust the
flow rate until the calibrator displays 10 L/min (see Leland
Legacy Quick Guide). Record the flow rate. Reset the
accumulated data before sampling. See pump and
calibrator operating instructions.
1
When calibration is completed,
disconnect the calibrator and tubing
from the calibration adapter. Remove
the calibration adapter from the
impactor. Remove the representative
media and replace with fresh media
for sampling.
Use a short length of calibration tubing to connect the inlet of the
calibration adapter to the outlet of a calibrator to form a calibration train.
Unscrew the quick-connect plug. Use tubing with a quick-connect fiing to
aach the case (pump) inlet to the outlet of impactor.
Ensure O-ring is installed on the quick-connect fiing before inserting it
into the inlet. Absence of the O-ring can affect measurements.
Inlet
Quick-
connect
plug
Inlet line
to pump
Quick-
connect
fitting on
tubing
Inlet to
pump
IMPACT
outlet
Calibrator
outlet
Calibration
adapter

12
Sampling
Allow pump to equilibrate after moving it from one temperature extreme
to another.
1. Replace the representative sample media used for
calibration with new, pre-weighed media (see Media
Preparation and Impactor Preparation).
2. Mount the bracket at the desired location and at breath-
ing zone height (6 feet or 2 meters) using wire ties or
other fasteners. Mount the impactor on the mounting
bracket by threading the clamp knob into the boom of
the impactor.
3. Insert the screw on the rain cover into the screw hole in
top of the impactor inlet and rotate the cover until tight.
4. Turn on the pump and record sample start time, ambient
temperature, ambient pressure, and other pertinent data.
Sample start time and duration can be programmed
into the Leland Legacy Sample Pump in advance and
sampling may be started manually or automatically.
Record all necessary data before disconnecting the
pump from the baery and reconnecting to the new
baery.
5. After desired sample time has elapsed, turn offthe pump and record the
sample stop time, total volume, ambient temperature, ambient pressure, and
other pertinent data.
6. Remove the rain cover, reinstate the calibration
train and media, and verify the flow rate (see Cali-
bration).
7. Reach inside the case and press quick-connect
release while pulling the tubing from the inlet.
Remove tubing from the impactor.
Technical Tidbits
• The supplied rain cover should be used for all outdoor sampling.
• Keep the Leland Legacy sample pump inside the Pelican case and the
case closed during sampling to protect the sample pump from weather.
3
4
7
Quick-connect
release inside
case
Tubing with
quick-connect
fitting

13
4a. Use the filter cassee opener to separate the
two halves.
4b. Slide the filter cassee horizontally into the
“U” of the opener until the two halves of the
cassee loosen. Gently pull halves apart.
Locate the recessed area on the filter cassee
top and remove the impaction disc. If chemical
analysis of larger particles is desired, place
in an appropriate container for shipping
to a laboratory for analysis (see Ordering
Information, Accessories for glass jars).
Gently lift the filter cassee
from the exhaust.
Use forceps to remove the collection
filter and place in an appropriate
container for shipping to a laboratory.
Unscrew the impactor inlet
from the exhaust.
1
SAMPLE REMOVAL, SHIPPING, AND ANALYSIS
Removing the Collection Filter and Impaction Disc
Shipping Samples
Package and transport samples and blanks in a manner that will prevent sample
loss and contamination. See Ordering Information, Accessories for the petri dish slide
for transporting samples.
Analysis
Gravimetric and/or chemical by an accredited laboratory

14
Recommended Collection Filters for System (not supplied with system)
Select a filter based on your application; required for sampling
Quartz Filters, 47 mm, Tissuquartz™, 432 μm thick, pk/25 225-1823
PTFE Filters,§‡ 47 mm, 2.0-μm pore size, with PMP support ring, pk/50 225-1747
Sampling Heads/Replacement Parts
IMPACT Samper includes filter cassette, calibration adapter, and rain
cover for sampler; requires collection media (see above) and impaction
substrate (see below) sold separately
PM2.5
PM10
225-392
225-390
IMPACT Sampler Inlet Only PM2.5
PM10
P54204
P54202
Impaction Discs for System
Select an impaction disc based on your application.
Recommended to Reduce Particle Bounce:
Replacement Pre-oiled Impaction Discs
porous plastic discs, 37 mm, ready to use, disposable, pk/25
required for sampling, limited shelf-life pk/50
225-395
225-395A
For Chemical Analysis of Larger Particles:
Quartz Filters, 37 mm, Tissuquartz, 432 μm thick, pk/25 225-1822
PTFE Filters,§37 mm, 2.0 μm, laminated PTFE support, pk/50 225-27-07
§ Back pressure on PTFE filters can vary within the same lot.
‡ Maximum operating temperature is 464 F (240 C) based on PMP support ring.
Accessories
TSI 4146 Calibrator Kit, 0.01 to 20 L/min, includes calibrator, soft-sided
case, mounting lugs, tubing (1/4-inch ID), battery pack, 6 AA batteries,
inlet filter, dampening module, NIST certificate, and manual 770-4146
Filter Cassette 225-396
Forceps, stainless steel 225-8371
Petri Dish Slide, for filter transport, pk/100 225-2-01
Glass Jars for Chemical Analysis pk/8
pk/36
225-8376
225-8377
DataTrac Software for Leland Legacy includes software on CD and
DataTrac adapter cable 877-92
ORDERING INFORMATION
Description Cat. No.
DPS System*#∞includes a Leland Legacy Sample Pump with connection case, charger
(100-240 V), 2 external battery assemblies with adapters (packaged separately), IMPACT‡
sampling head, 2 filter cassettes, calibration adapter, rain cover for sampling head,
25 disposable impaction discs,∆filter cassette opener, tubing with quick-connect fitting,
and mounting bracket, in a heavy-duty lockable carry case
PM10 Kit 100-3901
PM2.5 Kit 100-3903
* Provides data similar to data from Federal Reference Method samplers. The DPS System is not a
U.S. EPA reference or equivalent method for compliance sampling.
# DPS Systems contain Leland Legacy pumps with Li-Ion batteries and may be subject to special
shipping regulations. See next page.
∆Limited shelf-life
∞Use in non-explosive environments only. Not intrinsically safe
‡ U.S. Patent No. 7,334,453

15
ORDERING INFORMATION
Replacement Parts Cat. No.
IMPACT Sampler Inlets PM10
PM2.5
P54202
P54204
IMPACT Sampler Inlet O-rings, pk/3 P31989
IMPACT Sampler Exhaust P21279
IMPACT Sampler Exhaust O-ring P31988
Quick-connect O-rings, pk/3 P31996
Filter Cassette 225-396
Cassette Opener 225-397
Rain Cover, grey 225-398
Mounting Bracket 225-399
Quick-connect Fitting, on 6.5-foot reinforced PVC tubing P42741
Reinforced Flexible PVC Tubing, 7.5 feet P30004
Silicone Tubing, 0.4 feet, pk/2 P30255A
Calibration Adapter 225-394
Calibration Tubing, 1 foot, Tygon®P3006
External Battery Assembly with battery adapter 223-247
Battery Adapter, for replacement of adapter on external battery
assembly (Cat. No. 223-247)
223-248
Battery Connection Case with cable and plug 223-249
DPS/DVS Charger Adapter 223-245
DPS/DVS Charging Unit P22300
About Li-Ion Battery Shipment
Rechargeable lithium-ion baeries for use with SKC sample pumps have been tested in
accordance with the UN Manual and are proven to meet requirements of each test in the
UN Manual of Tests and Criteria, Part III, subsection 38.3. The baeries are rated below
100 wa-hours (Wh). Consult with your carrier for information on Lithium Baery Shipping
Regulations for UN 3480 and UN 3481 or visit SKC’s website for more information at
www.skcinc.com/catalog/pdf/instructions/1921.pdf
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