HAZARDOUS WASTES MANAGEMENT

Question 1

What is DAO 2013-22?

Answer 1

Revised Procedures and Standards for the Management of Hazardous Wastes

Question 2

Present unreasonable risk or hazard to the health and safety
of the people and the environment.

Answer 2

Hazardous Wastes

Question 3

Refers to substances that can create fire under certain conditions.

Answer 3

lgnitability

Question 4

Refers to material with pH values less than 2 and pH values greater than 12.5.

Answer 4

Corrosivity

Question 5

Refers to substances that are unstable under normal conditions and readily undergo
violent reaction without detonation (i.e. oxidizing/reducing).

Answer 5

Reactivity

Question 6

Refers to substances that can cause acute or chronic health risks.

Answer 6

Toxicity

Question 7

Must be compliant with the following requirements
detailed in the DAO 2A13-22.

Answer 7

Chemical Wastes Storage Facilities

Question 8

Laboratory chemical wastes can be classified into two main group.

Answer 8

1. Solid Wastes
2. Liquid Wastes

Question 9

Certain type of hazardous wastes requires an appropriate type of container to prevent leakage and undesirable reactions.

Answer 9

Appropriate containers per type of wastes

Question 10

Allowed vessels, containers, tanks, and containment buildings for waste storage.

Answer 10

Allowed waste containment

Question 11

The maximum hazardous waste accumulation time is** one (1) year**, except for wastes that have no existing infrastructure for proper treatment and disposal.

Answer 11

Storage time limits

Question 12

Hazardous wastes generated in the laboratory should be
labelled properly based on their hazards.

Answer 12

Proper labelling of hazardous wastes

Question 13

Also used to determine the hazards posed by the chemical waste.

Answer 13

Pictograms

Question 14

Container Type:
Polyethylene drums

Answer 14

Content:
Acids and bases

Question 15

Container Type:
Metal drums

Answer 15

Content:
Flammables, solvents, paints

Question 16

Container Type:
Fiber drums

Answer 16

Content:
Granular materials

Question 17

Color of the label is ______ for background and black for letters (permanent marking).

Answer 17

Yellow

Question 18

Minimum size of _________ for vessels, containers, and tanks, or readable from five (5)
meters afar.

Answer 18

10cm x 10cm

Question 19

RA 6969, “The Toxic Substances and Hazardous and Nuclear Waste Control Act” which focuses on toxic and hazardous waste management.

Answer 19

Department of Environment and Natural Resources (DENR)

Question 20

RA 9514, revised Fire Code of the Philippines.

Answer 20

Bureau of Fire Protection (BFP)

Question 21

Have different memorandum circular (MCs) and executive order (EOs) implemented by Firearms and Explosive Office.

Answer 21

Philippines National Police (PNP)

Question 22

RA 9165, “The Dangerous Drugs Act”

Answer 22

Philippine Drug Enforcement Agency (PDEA)

Question 23

Foods, Drugs, Medical Devices and Cosmetics Act.

Answer 23

Food and Drug Administration (FDA)

Question 24

Chemistry Profession Act

Answer 24

RA 10657

Question 25

Refers to a single pile of a material. Not in the form of separate permanently identifiable units.

Answer 25

Bulk material

Question 26

Comprised of identifiable units, which may be assigned numbers.

Answer 26

Packaged material

Question 27

Bulk materials that are partially packaged into smaller units, such as bags or drums.

Answer 27

Segments

Question 28

A quantity of the material transferred on one occasion and covered by a single set of shipping documents.

Answer 28

Consignment

Question 29

Refers to quantity of material which is assumed to represent a single population for sampling purposes.

Answer 29

Lot

Question 30

Refers to quantity of material which is known or assumed to have been produced under uniform conditions.

Answer 30

Batch

Question 31

Are portions of the material obtained from the lot/batch by using a sampling device.

Answer 31

lncrements

Question 32

Result of combined increments.

Answer 32

Primary or gross sample

Question 33

Results from a number of primary samples combined and mixed.

Answer 33

Composite or aggregate

Question 34

A portion of material delivered to the laboratory for analysis. Obtained from primary or composite sample by a series of division and reduction processes

Answer 34

Laboratory sample

Question 35

Refers to a quantity of material that is actually submitted for analysis. Technically, it is called as analytical portion.

Answer 35

Test portion

Question 36

Samples with characteristics the same as that of parent material.

Answer 36

Representative Samples

Question 37

Obtained by choosing certain portions of the material possessing the desired characteristics to be analyzed

Answer 37

Selective Samples

Question 38

Obtained by using a random sampling plan that generates data for the purpose of statistical analyses

Answer 38

Random Samples

Question 39

Two or more portions of the material collected at the same time.

Answer 39

Composite Samples

Question 40

Performed when statistical evaluation is needed to be employed on the set of data.

Answer 40

Probability Sampling or Random Sampling

Question 41

Any sample has an equal chance of selection.

Answer 41

Simple Random Sampling

Question 42

The lot is subdivided/stratified where a simple random sample is selected from each stratum.

Answer 42

Stratified Random Sampling

Question 43

The first sample is selected randomly and then subsequent samples are taken according to a previously arranged interval.

Answer 43

Systematic Random Sampling

Question 44

Performed when a representative sample is not appropriate, hence, results in selective samples.

Answer 44

Non-probability Sampling

Question 45

Knowledge about the material is required to select the desired specific samples.

Answer 45

Judgement Sampling

Question 46

The materials are subdivided into groups where a sample is selected from each group.

Answer 46

Quota Sampling

Question 47

Performed when selecting a sample depends on its availability and accessibility.

Answer 47

Convenience Sampling

Question 48

Involves selection of a sample from material which does not consist of discrete, identifiable or constant units.

Answer 48

Bulk Sampling

Question 49

Involves the use of a predetermined sampling plan to determine if the batch of materials meets the defined criteria for acceptance.

Answer 49

Acceptance Sampling